observing users presenter : jungmin shin & jaeyoung lee
TRANSCRIPT
Observing usersObserving users
Presenter : JungMin shin & JaeYoung LeePresenter : JungMin shin & JaeYoung Lee
ContentsContents
Goals, questions, paradigmsGoals, questions, paradigms How to observeHow to observe Data CollectionData Collection Indirect Observation: tracking user’s Indirect Observation: tracking user’s
activitiesactivities Analyzing, interpreting, and Analyzing, interpreting, and
presenting data presenting data Field studiesField studies
Goals, questions, Goals, questions, paradigmsparadigms
What and when to observeWhat and when to observe Approached to observationApproached to observation
Goals, questions, Goals, questions, paradigmsparadigms
Goal and question provide a focus for observation,Goal and question provide a focus for observation,
DECIDE frameworkDECIDE framework..
Having goal helps to guide the observation because Having goal helps to guide the observation because
there is always so much going on.there is always so much going on.
What and when to observeWhat and when to observe On developing product On developing product
starting time : helps understand starting time : helps understand user’s needsuser’s needs..
ending time : examine to satisfy ending time : examine to satisfy user’suser’s needsneeds..
Goals, questions, Goals, questions, paradigmsparadigms
Role of evaluator Role of evaluator Onlookers, participant observers, ethnographersOnlookers, participant observers, ethnographers
Table 12.1 Type of observationTable 12.1 Type of observation
ObservationObservation Controlled Controlled environment environment (i.e., lab-like)(i.e., lab-like)
Field Field environmentenvironment
(i.e., natural)(i.e., natural)
Outsider Outsider looking onlooking on
““Quick and dirty” Quick and dirty”
In usability testingIn usability testing““Quick and dirty”Quick and dirty”
In field studiesIn field studies
InsiderInsider (Not applicable)(Not applicable) Participant Participant observation observation (e.g., (e.g., ethnography)ethnography)
Goals, questions, Goals, questions, paradigmsparadigms
Approaches to observationApproaches to observation1. “Quick and dirty” observation1. “Quick and dirty” observation
Watching and talking to users in a casual way to Watching and talking to users in a casual way to get immediate feedback. get immediate feedback.
2. Observation in usability testing2. Observation in usability testingVideo and interacting logs capture everything.Video and interacting logs capture everything.Can watch through a one-way mirror or via TV Can watch through a one-way mirror or via TV screen. screen. Observational data is used to see and analyze Observational data is used to see and analyze
for for user’s action.user’s action.
Observation in usability testing SystemObservation in usability testing System
Goals, questions, Goals, questions, paradigmsparadigms
Goals, questions, Goals, questions, paradigmsparadigms
3. Observation in field studies3. Observation in field studiesObservers may be anywhere along the outsider –Observers may be anywhere along the outsider –insider spectrum.insider spectrum.
Colin Robson(1993) – participating levelColin Robson(1993) – participating levelcomplete participantscomplete participantsmore marginal participantsmore marginal participants
observers who also participateobservers who also participatepeople who observepeople who observe from the outside and do not from the outside and do not participate.participate.
The goal is to cause as little disruption as The goal is to cause as little disruption as possible.possible.
Goals, questions, Goals, questions, paradigmsparadigms
3. Observation in field studies (Continue)3. Observation in field studies (Continue) ex)ex)
A study of the time spent by boy and girl A study of the time spent by boy and girl using technology in the classroom.using technology in the classroom.-> observe and note at the back of room.-> observe and note at the back of room.
A study of understanding how the A study of understanding how the computer integrates with other artifacts computer integrates with other artifacts and social interacting.and social interacting.-> might take of insider perspective. -> might take of insider perspective.
Goals, questions, Goals, questions, paradigmsparadigms
3. Observation in field studies (Continue)3. Observation in field studies (Continue)
participant observation evaluatorparticipant observation evaluatorparticipate with users in order to participate with users in order to
learn learn what they do and how and why what they do and how and why they do it.they do it.
fully participant observerfully participant observera member of group.a member of group.being present being present to share experienceto share experience
and and learning the social conventions of the learning the social conventions of the group.group.
Goals, questions, Goals, questions, paradigmsparadigms
Determining goals , exploring questions Determining goals , exploring questions Choosing Choosing
techniques are necessary steps techniques are necessary steps in the in the DECIDE DECIDE
framework.framework.
In controlled environmentsIn controlled environments In the field environmentsIn the field environments Participant observation and Participant observation and
ethnographyethnography
How to observeHow to observe
In controlled environmentsIn controlled environmentsCollect Collect and then and then Make sense of theMake sense of the datadata
whilewhile
watching users in controlled environment.watching users in controlled environment.
Practical issues in controlled environment Practical issues in controlled environment
- where users will be located - where users will be located
- equipment test- equipment test
- An informed consent form- An informed consent form
How to observeHow to observe
In controlled environmentsIn controlled environmentsthe observer doesn’t know what users are the observer doesn’t know what users are thinking, and can only guess from what she sees.thinking, and can only guess from what she sees.
Think-aloud techniqueThink-aloud technique by Erikson and Simon by Erikson and SimonRequire people to say out loud everything that they are Require people to say out loud everything that they are
thinking and thinking and trying to do.trying to do.ex) I’m typing in ex) I’m typing in http://ics.uci.eduhttp://ics.uci.edu (type) (type) Now I press the enter key, right? (presses enter key)Now I press the enter key, right? (presses enter key)
But if users meet some errors, they could be silent again...But if users meet some errors, they could be silent again...
Sol) Evaluator reminds him think out loud, but that would be intrusive.
-> two people work together so that they talk to each other.
How to observeHow to observe
In the field environmentsIn the field environmentsEvents in the field can be complex and rapidly Events in the field can be complex and rapidly changing.changing.
FrameworkFramework help observers to keep their goals and help observers to keep their goals and
questions in questions in sight.sight.
Collin Robson(1993)Collin Robson(1993)Space, Actors, Activities, Objects, Acts, Space, Actors, Activities, Objects, Acts,
Events, Goals, Events, Goals, FeelingsFeelings
How to observeHow to observe
In the field environmentsIn the field environments Checklist of things to plan before going into fieldChecklist of things to plan before going into field
1. State the initial study 1. State the initial study goal and questiongoal and question2. Select the 2. Select the frameworkframework3. Decide 3. Decide how to recordhow to record events events4. Be prepared to go through your notes and other records4. Be prepared to go through your notes and other records5. Make and review your notes5. Make and review your notes6. Be prepared refocus your study6. Be prepared refocus your study7. Think about how you will get the acceptance and trust of 7. Think about how you will get the acceptance and trust of those you observethose you observe8. Think about how to handle sensitive issues (privacy)8. Think about how to handle sensitive issues (privacy)9. Consider working as a team9. Consider working as a team10. Consider checking your notes with an informant or 10. Consider checking your notes with an informant or
membersmembers of the groupof the group11. Plan to look at the situation from different perspectives11. Plan to look at the situation from different perspectives
How to observeHow to observe
Participant observation and Participant observation and ethnographyethnography
Checklist for doing ethnographyChecklist for doing ethnography Identifying a problems or goalIdentifying a problems or goal and then ask good and then ask good
questions to be answered by the studyquestions to be answered by the study The most important part of fieldwork just The most important part of fieldwork just being being
there to observe, ask questions, and record.there to observe, ask questions, and record. CollectCollect a variety of data (Interview, retrospectives a variety of data (Interview, retrospectives
interview)interview) Be prepared Be prepared to moveto move backwards and forwards backwards and forwards
between the broad picture and specific questionsbetween the broad picture and specific questions Analyze Analyze the data using a holistic approach -> the data using a holistic approach ->
contextualized, usually iterativecontextualized, usually iterative
How to observeHow to observe
Participant observation and Participant observation and ethnographyethnography
<Dilemma><Dilemma>When have I observed enough?When have I observed enough?
schedules often dictate schedules often dictate when your study endwhen your study end..
stop stop when you stop learning new thingswhen you stop learning new things
when you start when you start to see similar patternto see similar pattern of behavior of behavior being repeated.being repeated.
when you have when you have listened to all the main stake listened to all the main stake holder group and understood their holder group and understood their perspectivesperspectives..
How to observeHow to observe
How to observeHow to observe Participant observation and ethnographyParticipant observation and ethnography
How can I adapt ethnography to fit the How can I adapt ethnography to fit the development development
process?process?Ann Rosa ProcedureAnn Rosa Procedure
PreparingPreparing (Understand/Familiarize/Set Goal (Understand/Familiarize/Set Goal /Gain /Gain
permission) permission) Field studyField study (Establish/Observe and interview/ (Establish/Observe and interview/
Follow any lead/ Record)Follow any lead/ Record)AnalysisAnalysis (Compile/Quantify/Reduce and (Compile/Quantify/Reduce and
interpret/ interpret/ Refine the goals) Refine the goals) ReportingReporting (Consider/Prepare) (Consider/Prepare)
Data collectionData collection Notes plus still cameraNotes plus still camera Audio recording plus still cameraAudio recording plus still camera VideoVideo
Data collectionData collection Notes plus still cameraNotes plus still camera
being difficult and tiring to write and observe at the being difficult and tiring to write and observe at the same timesame timebored, the limitation of writing speed bored, the limitation of writing speed
(sol) working with another person(sol) working with another person(disadvantage) have to be transcribed (disadvantage) have to be transcribed
Audio recording plus still cameraAudio recording plus still cameraUseful alternative to note taking and is Useful alternative to note taking and is less less
intrusive than intrusive than Video.Video.Drawback:Drawback: Lack of visual record, transcribing the Lack of visual record, transcribing the
datadataSo,So, evaluators use the recording evaluators use the recording to remindto remind them them
about about important details and as a source of anecdotes for important details and as a source of anecdotes for
reports.reports.
Data collectionData collection VideoVideo
AdvantageAdvantage Capturing both Audio and Video DataCapturing both Audio and Video Data
DisadvantageDisadvantageIntrusive.Intrusive.Attention becomes focused on what is Attention becomes focused on what is seen through the lensseen through the lens..Time-consuming for analyzing video data.Time-consuming for analyzing video data. ex) 1 hour video recording : over 100 hours ex) 1 hour video recording : over 100 hours of of
analysis timeanalysis time
Indirect Observation: Indirect Observation: tracking user’s activitiestracking user’s activities
DiariesDiaries Interaction logsInteraction logs
Indirect Observation: Indirect Observation: tracking user’s activitiestracking user’s activities
When ? Impossible to observe directly When ? Impossible to observe directly
DiariesDiariesA recordA record of what users did, when did it, what thought of what users did, when did it, what thought
about their about their interactions with the Technology.interactions with the Technology.
(Advantage) (Advantage) When User scattered and unreachable person.When User scattered and unreachable person.Inexpensive - no equipment or expertise.Inexpensive - no equipment or expertise.Suitable for long term studies.Suitable for long term studies.Template and Enable the data to go straight into database. Template and Enable the data to go straight into database. Ex) open-ended online questionnairesEx) open-ended online questionnaires
(Disadvantage)(Disadvantage)Rely on participant (reliable/remembering).Rely on participant (reliable/remembering).Participant remember better or worse that they really Participant remember better or worse that they really
were.were.
Interaction logsInteraction logskey presses, mouse or other device movement are recorded usually key presses, mouse or other device movement are recorded usually synchronized with A/V log.synchronized with A/V log.Has time-stamped (to calculate how long)Has time-stamped (to calculate how long)Explicit counter / Recording number of visitorsExplicit counter / Recording number of visitors
EX) In study of interact art museum (Researchers at USC)EX) In study of interact art museum (Researchers at USC)Server log (7 months/ analysis tool : webtrends)Server log (7 months/ analysis tool : webtrends)when/what /how long/what browser/what country…when/what /how long/what browser/what country…
(Advantage)(Advantage)Unobtrusive (but this also raises ethical concerns)Unobtrusive (but this also raises ethical concerns)Large volumes of data.Large volumes of data.
Indirect Observation: Indirect Observation: tracking user’s activitiestracking user’s activities
Analyzing, interpreting, Analyzing, interpreting, and presenting dataand presenting data
The first things to do is to “eyeball”. The first things to do is to “eyeball”. Proceed to analyze it according to the goals andProceed to analyze it according to the goals andquestions.questions.
Qualitative analysis to tell a storyQualitative analysis to tell a story Qualitative analysis for Qualitative analysis for
categorizationcategorization Quantitative data analysisQuantitative data analysis Feeding the findings back into Feeding the findings back into
designdesign
Qualitative analysis to tell a story Qualitative analysis to tell a story Power of analyzing descriptive data -> being Power of analyzing descriptive data -> being
able able
to tell a convincing storyto tell a convincing story
Interview with Sara Bly Interview with Sara Bly (User-Centered Design (User-Centered Design Consultant) Consultant)
At the end of each observation periodAt the end of each observation period
Review their dataReview their data
Discuss what they observedDiscuss what they observed
Construct a story from their dataConstruct a story from their data
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Qualitative analysis to tell a storyQualitative analysis to tell a story To summarize about Interview with Sara Bly.To summarize about Interview with Sara Bly.
Review the data.Review the data.Record the themes.Record the themes.Record the date and time of each data analysis Record the date and time of each data analysis Session.Session.As themes emerge.As themes emerge.Iterate this process (until your story faithfully Iterate this process (until your story faithfully represents).represents).Report your findings to the development team.Report your findings to the development team.
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Qualitative analysis to tell a storyQualitative analysis to tell a story
Analyzing and reporting ethnographic dataAnalyzing and reporting ethnographic data- ethnographers reconstruct knowledge to produ- ethnographers reconstruct knowledge to produ
ce detailed description known as rich or thick descriptice detailed description known as rich or thick description.on.
Main activities (Fetterman-1998)Main activities (Fetterman-1998) Look for key eventsLook for key events Look for patterns of behavior in various situations and among diLook for patterns of behavior in various situations and among di
fferent playersfferent players Compare sourcesCompare sources Report your findings in convincing and honest wayReport your findings in convincing and honest way
S/W tools : NUDIST and EthnographS/W tools : NUDIST and Ethnograph
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Qualitative analysis for categorizationQualitative analysis for categorizationLooking for incident or patternsLooking for incident or patterns
Common strategy is to look for critical incidentsCommon strategy is to look for critical incidents
ex) Jurgen Koenemann-Belliveau el al(1994)ex) Jurgen Koenemann-Belliveau el al(1994)used this form of critical incident analysis to examinused this form of critical incident analysis to examin
e e breakdown or problems in achieving a programming tbreakdown or problems in achieving a programming t
ask ask and also to identify possible threats of incidents.and also to identify possible threats of incidents.
Using the theory helped the evaluators to focus in relevant Using the theory helped the evaluators to focus in relevant Incidents.Incidents.
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Qualitative analysis for categorizationQualitative analysis for categorizationanalyzing data into categoriesanalyzing data into categoriescontents analysis provides another fine grain way of contents analysis provides another fine grain way of analyzing video data.analyzing video data.determined by the evaluation question.determined by the evaluation question.must also be reliable so that the analysis can be replicated.must also be reliable so that the analysis can be replicated.
EX)EX)training second person and then analyze the same data training second person and then analyze the same data sample. sample. if there are large discrepancy between each other. -> what?if there are large discrepancy between each other. -> what?
Inter-research reliability rating Inter-research reliability rating -> the percentage of agreement between the two -> the percentage of agreement between the two
researchers.researchers.
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Analyzing discourseAnalyzing discourseDialogDialogStrongly interpretive, pays great attention to Strongly interpretive, pays great attention to
context.context.
Language is viewed as a constructive tool and discourse Language is viewed as a constructive tool and discourse analysis provides a way of focusing upon how people use analysis provides a way of focusing upon how people use language to construct versions of their worlds (Fiske,1994)language to construct versions of their worlds (Fiske,1994)
Small changes in wording can change meaning, as the Small changes in wording can change meaning, as the following excerpts indicate (Coyle, 1995)following excerpts indicate (Coyle, 1995)
(According to Coyle,)(According to Coyle,) discourse analysis is what you do discourse analysis is what you do when when
you are saying that you are doing discourse analysis…you are saying that you are doing discourse analysis…
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Quantitative data analysisQuantitative data analysisIn case of errors or unusual behavior ->In case of errors or unusual behavior ->
marks the video and records a brief marks the video and records a brief remark. remark.
To use this annotated recording To use this annotated recording
1. Calculate performance time 1. Calculate performance time
2. further analyzed using simple statistics 2. further analyzed using simple statistics such as means, standard deviations, T-such as means, standard deviations, T-tests, etc.tests, etc.
Analyzing, interpreting, Analyzing, interpreting, andand
presenting data presenting data
Feeding the findings back into designFeeding the findings back into designThe results can be The results can be reported to the design teamreported to the design team..
Written reports with a overview and detailed Written reports with a overview and detailed
content list.content list.
Quantitative data -> Quantitative data -> its value depends on the type its value depends on the type
of study and its goals.of study and its goals.
Often both quantitative data analysis are useful Often both quantitative data analysis are useful
because of they because of they provide alternative perspectivesprovide alternative perspectives. .
Analyzing, interpreting, Analyzing, interpreting, and presenting data and presenting data
Field StudyField Study
Field StudyField Study
A broad range of data gathering A broad range of data gathering techniques at the techniques at the user’s locationuser’s location
There is There is no one best wayno one best way to conduct to conduct a field study. a field study. It depends on the goals It depends on the goals of your study and your access to of your study and your access to users.users.
The Goal of a Field StudyThe Goal of a Field Study
Field studies are Field studies are excellentexcellent for for collecting collecting rich, detailed datarich, detailed data and and obtaining a obtaining a holistic view of the process or domainholistic view of the process or domain..
Field studies are Field studies are not a good techniquenot a good technique if if you you want to collect quantitative data want to collect quantitative data from large samples.from large samples.
The goal of a field study is The goal of a field study is to make the to make the implicit aspects and processes of the implicit aspects and processes of the user environment explicit.user environment explicit.
Field Study MethodsField Study Methods
Techniques are divided into three Techniques are divided into three categories:categories: Observation onlyObservation only Interacting with the userInteracting with the user Method supplementsMethod supplements
TheThe Goal Goal of the Field Study Methodsof the Field Study Methods To To observe users and collect informationobserve users and collect information
about their tasks and the context in about their tasks and the context in which they are done.which they are done.
Field Study MethodsField Study Methods Observation OnlyObservation Only
Pure ObservationPure Observation Deep Hanging-OutDeep Hanging-Out
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not presentObserving while you are not present
Field Study MethodsField Study Methods
Observation OnlyObservation Only Pure ObservationPure Observation Deep Hanging-OutDeep Hanging-Out
Observation only - Observation only - Pure Pure ObservationObservation
SynopsisSynopsis When you are When you are unable or don’t wish to interact unable or don’t wish to interact
with the userwith the user, you simply observe from a distance., you simply observe from a distance. AdvantagesAdvantages
FlexibleFlexible Low resourcesLow resources
Level of effortLevel of effort Minimal, Place your self in a good vantage point and Minimal, Place your self in a good vantage point and
observe as many user/sites/tasks as you feel appropriateobserve as many user/sites/tasks as you feel appropriate You continue to conduct observations until you feel you You continue to conduct observations until you feel you
have a good understanding of the domain of areas of have a good understanding of the domain of areas of focus.focus.
Observation only - Observation only - Pure Pure ObservationObservation
Valuable in situations where you cannot Valuable in situations where you cannot interact with the end users. interact with the end users.
Users may or may not know they are being Users may or may not know they are being studied. studied.
Do not interact with the participantDo not interact with the participant Do not distribute surveys, interview the Do not distribute surveys, interview the
user, or ask for artifacts from the user. user, or ask for artifacts from the user. It is essential to have a good sampling planIt is essential to have a good sampling plan. .
The sampling The sampling plan should include specific plan should include specific information such as days/times you information such as days/times you anticipate key events (e.g., the day before anticipate key events (e.g., the day before Thanksgiving, or bad weather at an airport), Thanksgiving, or bad weather at an airport), as well as “normal” daysas well as “normal” days..
Field Study MethodsField Study Methods
Observation OnlyObservation Only Pure ObservationPure Observation Deep Hanging-OutDeep Hanging-Out
Observation only – Observation only – Deep Deep Hanging outHanging out
SynopsisSynopsis This method is similar to pure observation but This method is similar to pure observation but provides provides
more structure by suggesting focus areas and thingsmore structure by suggesting focus areas and things to to observe. observe.
AdvantagesAdvantages It has It has more structured than pure observationmore structured than pure observation so you can so you can
do a more detailed level of data analysis and compare do a more detailed level of data analysis and compare data collected across multiple sites.data collected across multiple sites.
Level of effortLevel of effort Because there is more structure, it takes more effort Because there is more structure, it takes more effort
than pure observation.than pure observation. You are “on” at all times, which can be tiring.You are “on” at all times, which can be tiring. It is also valuable to become a user yourself (if possible) It is also valuable to become a user yourself (if possible)
and collect artifacts along the way.and collect artifacts along the way.
Observation only – Observation only – Deep Deep Hanging outHanging out
A more structured form of pure observation.A more structured form of pure observation. Involves significant amounts of observation Involves significant amounts of observation
along with involving yourself in the processalong with involving yourself in the process Method of Deep Hanging-Out includesMethod of Deep Hanging-Out includes
Structured observationStructured observation Collection of artifactsCollection of artifacts Becoming a user yourselfBecoming a user yourself
However, However, you do notyou do not interview participants, interview participants, distribute surveys, or present design ideas distribute surveys, or present design ideas for feed back.for feed back.
Field Study MethodsField Study Methods Observation OnlyObservation Only
Pure ObservationPure Observation Deep Hanging-OutDeep Hanging-Out
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not presentObserving while you are not present
Field Study MethodsField Study Methods
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
SynopsisSynopsis Interview, apprentice with, and interpret the Interview, apprentice with, and interpret the
resulting data with usersresulting data with users AdvantagesAdvantages
Contextual Inquiry is more Contextual Inquiry is more focused and context focused and context dependentdependent than the other methods than the other methods
At the end, you walk away with actionable itemsAt the end, you walk away with actionable items Level of effortLevel of effort
The effort level is The effort level is higher than for observation-higher than for observation-only techniquesonly techniques. You must develop an . You must develop an observation guide, observe users, apprentice observation guide, observe users, apprentice with them, and discuss your observations with with them, and discuss your observations with themthem
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
Four main parts to Contextual Four main parts to Contextual Inquiry:Inquiry: Context Context PartnershipPartnership InterpretationInterpretation FocusFocus
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
Four main parts to Contextual Four main parts to Contextual Inquiry:Inquiry:
ContextContext : You must : You must go to the user’s go to the user’s environmentenvironment in order to understand the in order to understand the context of his/her actions. Contextual context of his/her actions. Contextual Inquiry assumes that Inquiry assumes that observation alone observation alone or out-of-context interviews are or out-of-context interviews are insufficientinsufficient
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
Four main parts to Contextual Inquiry:Four main parts to Contextual Inquiry:
PartnershipPartnership : To better understand the : To better understand the user, tasks, and environment, you shoulduser, tasks, and environment, you should develop a master-prentice relationship with develop a master-prentice relationship with the participantthe participant. Immerse your self in the . Immerse your self in the participant’s work and do as he/she does. participant’s work and do as he/she does. Obviously, this is not possible with many Obviously, this is not possible with many jobsjobs (e.g., surgeon, fighter pilot) (e.g., surgeon, fighter pilot)
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
Four main parts to Contextual Four main parts to Contextual Inquiry:Inquiry:
InterpretationInterpretation : : Observations must be Observations must be interpreted with the participantinterpreted with the participant in order in order to be used later. to be used later. Verify that your Verify that your assumptions and conclusions are assumptions and conclusions are correctcorrect..
Interacting with the user - Interacting with the user - Contextual InquiryContextual Inquiry
Four main parts to Contextual Four main parts to Contextual Inquiry:Inquiry:
FocusFocus : : Develop an observation guideDevelop an observation guide to keep you focused on the subject of to keep you focused on the subject of interest/inquiry.interest/inquiry.
Field Study MethodsField Study Methods
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Interacting with the user – Interacting with the user – Process Process AnalysisAnalysis
SynopsisSynopsis Capture the task sequence for a processCapture the task sequence for a process
that may span several daysthat may span several days AdvantagesAdvantages
Because it is more focused than Contextual Because it is more focused than Contextual Inquiry, Inquiry, it is also much fasterit is also much faster
Level of effortLevel of effort You need to You need to stay focused on the processstay focused on the process at at
hand to help users walk you through the hand to help users walk you through the process of interest. It may span just several process of interest. It may span just several days.days.
Interacting with the user – Interacting with the user – Process Process AnalysisAnalysis
A process analysis is similar to Contextual A process analysis is similar to Contextual Inquiry. However, you enter with Inquiry. However, you enter with a series of a series of questionsquestions and you and you do not necessarily do not necessarily apprentice with the userapprentice with the user
QuestionsQuestions When does the first task in the process happen?When does the first task in the process happen? What triggers it?What triggers it? Who does it?Who does it? What information does the person have when the What information does the person have when the
task begins?task begins? What are the major steps in the task?What are the major steps in the task? What information comes out of it?What information comes out of it? Who is the next person in the chain of the process?Who is the next person in the chain of the process?
Interacting with the user – Interacting with the user – Process Process AnalysisAnalysis
Example - Process map for a travel Example - Process map for a travel agent’s typical dayagent’s typical day
Field Study MethodsField Study Methods
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Interacting with the user – Interacting with the user – Condensed Ethnographic InterviewCondensed Ethnographic Interview
SynopsisSynopsis Use the results of Use the results of semi-structured interviewssemi-structured interviews to to
guide observationsguide observations AdvantagesAdvantages
This technique is This technique is considerably shorter than considerably shorter than some of the other techniquessome of the other techniques, because the , because the interviews scope what you observe;interviews scope what you observe;
It also It also limitslimits the data you are able to collectthe data you are able to collect Level of effortLevel of effort
It requires It requires a medium level of efforta medium level of effort to conduct to conduct interviews and then observe users and collect interviews and then observe users and collect artifactsartifacts
Interacting with the user – Interacting with the user – Condensed Ethnographic InterviewCondensed Ethnographic Interview
Employs the standardization and Employs the standardization and focus of a focus of a semi-structured interviewsemi-structured interview along with the context of along with the context of observations and artifactsobservations and artifacts
Characterized as Characterized as “top-down”,“top-down”, because the interviews form a because the interviews form a general framework from which to general framework from which to interpret specific observations.interpret specific observations.
Interacting with the user – Interacting with the user – Discount User Observation (DUO)Discount User Observation (DUO)
SynopsisSynopsis One facilitator interviews the user and takes notes while One facilitator interviews the user and takes notes while
another facilitator another facilitator takes pictures of everythingtakes pictures of everything AdvantagesAdvantages
You can You can quickly reconstructquickly reconstruct the session through the session through time stamped notes and digital picturestime stamped notes and digital pictures to verify to verify your observations with usersyour observations with users
Level of effortLevel of effort It It takes two investigatorstakes two investigators to focus on their specific to focus on their specific
tasks of either interviewing or taking pictures and notestasks of either interviewing or taking pictures and notes It will It will take additional time/effort to combine notes take additional time/effort to combine notes
with digital photos and put them in a multimedia with digital photos and put them in a multimedia presentation tools presentation tools to review with users.to review with users.
It takes It takes additional effort to validate observationsadditional effort to validate observations with user afterward.with user afterward.
Field Study MethodsField Study Methods Observation OnlyObservation Only
Pure ObservationPure Observation Deep Hanging-OutDeep Hanging-Out
Interacting with the userInteracting with the user Contextual InquiryContextual Inquiry Process analysisProcess analysis Condensed ethnographic interviewCondensed ethnographic interview Discount User Observation (DUO)Discount User Observation (DUO)
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not presentObserving while you are not present
Field Study MethodsField Study Methods
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not Observing while you are not
presentpresent
Method supplements – Method supplements – Artifact Artifact walkthroughswalkthroughs
SynopsisSynopsis Collect all the artifactsCollect all the artifacts used by participants used by participants
and determine and determine what triggers their usewhat triggers their use, , when they are usedwhen they are used, and for , and for whatwhat
AdvantagesAdvantages Quick and easyQuick and easy to conduct to conduct
Level of effortLevel of effort Low level of effortLow level of effort to review artifacts with to review artifacts with
participants and make/collect copies of participants and make/collect copies of themthem
Method supplements – Method supplements – Artifact Artifact walkthroughswalkthroughs
Quick and easyQuick and easy to conduct to conduct but but provide indispensable dataprovide indispensable data
““Artifacts” are Artifacts” are objects or itemsobjects or items that that users use to complete their tasks or users use to complete their tasks or that result from their tasksthat result from their tasks
You have to You have to sign the company’s sign the company’s confidential disclosure agreementconfidential disclosure agreement promising that you will promising that you will keep all data keep all data collected confidentialcollected confidential
Field Study MethodsField Study Methods
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not Observing while you are not
presentpresent
Method supplements – Method supplements – Incident diariesIncident diaries
SynopsisSynopsis Worksheets the user takes home or to work Worksheets the user takes home or to work to collect to collect
ongoing dataongoing data AdvantagesAdvantages
No observation is requiredNo observation is required Able to Able to understand more issuesunderstand more issues than what can be than what can be
observed in the lab or during a single visitobserved in the lab or during a single visit Level of effortLevel of effort
Low effort levelLow effort level to create and distribute diariesto create and distribute diaries Moderate effortModerate effort to analyze data across multiple to analyze data across multiple
diariesdiaries. There will be a . There will be a time lagtime lag between when you between when you distribute the diaries and when you receive the datadistribute the diaries and when you receive the data
You are depending on the participantsYou are depending on the participants to follow- to follow-thorough.thorough.
Method supplements – Method supplements – Incident diariesIncident diaries
Incident diaries allow you to Incident diaries allow you to collectcollect ongoing data from usersongoing data from users
Participants are provided with Participants are provided with a notebook a notebook containing worksheetscontaining worksheets to be completed to be completed
They are given to users to They are given to users to keep track of keep track of issuesissues they encounter while using a they encounter while using a productproduct
The worksheets may ask usersThe worksheets may ask users Describe a problem or issue they encounteredDescribe a problem or issue they encountered How they solved itHow they solved it How troublesome it wasHow troublesome it was
Field Study MethodsField Study Methods
Method supplementsMethod supplements Artifact walkthroughsArtifact walkthroughs Incident diariesIncident diaries Observing while you are not Observing while you are not
presentpresent
Method supplements – Method supplements – Observing Observing while you are not presentwhile you are not present
SynopsisSynopsis Recording users in action when space, time, or Recording users in action when space, time, or
restrictions prevent you from being there in restrictions prevent you from being there in personperson
AdvantagesAdvantages If you have multiple video cameras, you can view If you have multiple video cameras, you can view
several users simultaneouslyseveral users simultaneously Level of effortLevel of effort
Low effortLow effort to to set up cameras and recordset up cameras and record Moderate effortModerate effort to to meet with user again and meet with user again and
review tapesreview tapes Moderate effortModerate effort to to categorize and index behaviorcategorize and index behavior
Method supplements – Method supplements – Observing Observing while you are not presentwhile you are not present
You can You can observe users even when observe users even when you are not presentyou are not present by setting up a by setting up a video camera and then leavingvideo camera and then leaving
Excellent way to Excellent way to understand detailed understand detailed stepssteps
Identify the type of study Identify the type of study to Conductto Conduct
decision diagramdecision diagram
Thank you~Thank you~