qualitative research- what it is and when to use it
DESCRIPTION
Qualitative Research- What it is and when to use it. September 18, 2012 2:30 – 3:45 pm. Workshop objectives. This session will focus on the various methods for collecting qualitative data through surveys, focus groups, and interviews. The objectives for this session include: - PowerPoint PPT PresentationTRANSCRIPT
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QUALITATIVE RESEARCH- WHAT IT IS AND WHEN TO USE ITSeptember 18, 2012 2:30 – 3:45 pm
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WORKSHOP OBJECTIVESThis session will focus on the various methods for collecting qualitative data through surveys, focus groups, and interviews.
The objectives for this session include: Define what qualitative research is Describe the most common qualitative data
collection methods Explain the benefits of (i.e., when to use)
qualitative forms of evaluation
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OUTLINE Definition of qualitative research Difference between qualitative and
quantitative Uses of qualitative research Qualitative research techniques
Open-ended survey data In-depth interviewingFocus groups
Analyzing qualitative data Evaluating qualitative research
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DEFINE WHAT QUALITATIVE RESEARCH IS
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WHAT IS QUALITATIVE RESEARCH?
Qualitative research is a type of scientific research that:
• seeks answers to a question• systematically uses a set of procedures to
answer the question• collects evidence• produces findings that were not determined in
advance• produces findings that are applicable beyond
the immediate boundaries of the study
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CHARACTERISTICS OF QUALITATIVE RESEARCH Starts with general
question or problem No pre-defined
hypothesis Uses a purposeful
sample, not a random one
Uses a relatively small sample
Data collected with semi-structured and unstructured instruments
Presents results descriptively
Utilizes researcher’s awareness of own orientations, biases, experiences that might affect data collection and interpretation
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QUALITATIVE RESEARCH
‘Qualitative Research…involves finding out what people think, and how they
feel - or at any rate, what they say they think and how they say they feel. This
kind of information is subjective. It involves feelings and impressions,
rather than numbers’
Bellenger, Bernhardt and Goldstucker, Qualitative Research in Marketing, American Marketing Association (1976) 7
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QUALITATIVE METHODS ARE USED To gain more in-depth information that may bedifficult to convey quantitatively To better understand any phenomenon aboutwhich little is yet known or knowledge isincomplete To gain new perspectives on things about whichmuch is already known
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USING QUALITATIVE RESEARCH INCLINICAL PRACTICE
Explaining the findings of quantitative studies
Learning more about the health care problems
from the standpoint of the patient/families Monitoring treatment impact (e.g., quality of
life)
(Olson K. Using qualitative research in clinical practice. In: Morse J, Swanson J, Kuzel A, eds. The nature of qualitative evidence. Thousand Oaks: Sage 2001:259-273.)
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QUALITATIVE VS. QUANTITATIVE Typically qualitative research will provide in-depth
information into fewer cases whereas quantitative procedures will allow for more breadth of information across a larger number of cases.
Benefits of combining qualitative and quantitative procedures, resulting in greater methodological mixes that strengthen the research design
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Qualitative Quantitative
General Aim To understand (what, how, & why)
To predict and control
Treatment of Data
Defines very general concepts andsearches for patternsWide lens (inductive)Applied & theoretical
Isolates and defines variables and tests hypotheses on dataNarrow lens (deductive)Measure and evaluate
Toolbox Participant-Observation (fieldwork)In-depth InterviewsFocus GroupsDocument Analysis
SurveysQuestionnairesRandomized controlled trialsSystematic reviews/meta-analyses
Focus Rich “thick” descriptionNaturalistic enquirySimilarities & contrastsProcess & context
PredictionOutcomesGeneralizabilityControlled & experimental
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INDUCTIVE METHOD
Decide
Reflect
Observe
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COMBINING QUALITATIVE AND QUANTITATIVEQualitative data collection can be used in four different ways in relation to quantitative methods:1. Precede quantitative procedures2. Used at the same time as quantitative
procedures3. Follow quantitative procedures4. Used alone
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TECHNIQUES Open-ended survey data In-depth interviewing Focus groups
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SURVEYS15
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OPEN AND CLOSED QUESTIONS (FROM OPPENHEIM, 1992)
Strength LimitationOPEN Freedom & spontaneity of
answerTime-consuming
Opportunity to probe Coding more problematicUseful for testing hypothesis about ideas or awareness
More effort from respondents
CLOSED Requires little time Loss of spontaneous responses
No extended writing Bias in answer categoriesLow costs Sometimes too crudeEasy to process May irritate respondentsMake group comparisons easyUseful for testing specific hypothesis
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OPEN-ENDED QUESTIONS Typically used in exploratory/qualitative
studies. Typically used in personal interview surveys
involving small samples. Allows respondent freedom of response. Respondent must be articulate and willing to
spend time giving a full answer. Data is in narrative form which can be time
consuming and difficult to code and analyze. Possible researcher bias in interpretation. Narrative can be analyzed using content
analysis. Software is available.17
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EXAMPLEPlease provide additional comments and suggestions about the cohort review process. Your comments do give us direction so please feel free to express any criticism or comments. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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ADVANTAGES OF OPEN QUESTIONS Not directive Detailed and unexpected answers possible
Allow exploration of issues to generate hypotheses
Useful for exploring knowledge and attitudesQualitative researchFocus groupsTrawling questionnaires
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DISADVANTAGES OF OPEN QUESTIONS Interviewer bias Time-consuming Coding problems Difficult to analyze Difficult to compare groups
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IN-DEPTH INTERVIEWS21
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IN-DEPTH INTERVIEWAn in-depth interview is a formal interview process in which a well-trained interviewer asks a subject a set of semi-structured questions in a face-to-face setting.
Along with questionnaires, interviews are the most common form of data collection.
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Interviews are usually grouped on a continuum as follows:Structured Semi–structuredUnstructured
Interviews
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STRUCTURED Closed fixed-response interview- quantitative
interviewing Predetermined set of response categories
Standardized open-ended interview- qualitative interviewing Interviewers closely follow the ‘script’ of
the interview questionsResponses are open-ended
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STANDARDIZED OPEN ENDED INTERVIEW Useful for reducing bias
When several interviewers are involved When interviewers are less experienced or
knowledgeable When it is important to compare the responses of
different respondents Most efficient qualitative interviewing technique
Reduces amount of time and money needed for analysis
Drawback Interviewer has little flexibility to respond to the
particular concerns of the individual No guarantee that the questions asked tap into the
issues that are most relevant to this particular respondent. 25
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SEMI-STRUCTURED Semi – structured interviews are those that
incorporate both closed and open questions, and are more concerned with explanation of motives, actions and thoughts.
The interviewer may also look for further information, for example asking
“Why do you think that?” “What happened next” “What exactly do you mean?”
If something unanticipated comes up the interviewer can follow-up.
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UNSTRUCTURED An unstructured interview
is one where the interviewer has a theme they wish to talk about, or a topic guide that lists a number of themes.
In both semi – structured and unstructured interviews the order in which you ask the questions is not so important.
Sometimes the interviewee may answer a question before it is asked.
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INTERVIEWING Sometimes the interviewee may go off on a
tangent, and reveal something new, but sometimes they may go off on a tangent and not reveal anything worth having.
The less structured an interview is, the more like a conversation it becomes.
However, it is not the same as a conversation as the interviewer needs to keep it focused on the research questions.
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INTERVIEWING The interviewer also has to play the role of being
a good listener. How the question is formulated and asked is very
important. Leading, loaded, or ‘trick’ questions should be
avoided, for example“I don’t like the current policy on child care
provision, what do you think?” “When did you stop taking drugs?”"Given that at the age of 18 people are old
enough to fight and die for your country, don't you think they should be able to drink alcohol as well?"
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INTERVIEWING
Avoid normative questions which require the interviewee to give a socially acceptable answer.
Avoid over long or complicated questions, specialist language and jargon that the interviewee will not understand but bear in mind that in some instances interviewees will use specialist words and jargon.
Pre-test questions. Establish and maintain rapport during the
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INTERVIEWER RESPONSESWhyte’s hierarchy of interviewer responses:
'Uh-huh‘ 'That's interesting‘Reflection - Repeating the last statement as a
questionProbe - Inviting explanations of statements Back trackingNew topic
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PROBINGProbing distinguishes the trained interviewer from untrained. The untrained interviewer has the tendency
to think ahead, to think of the next question in the guide, hurrying to move on.
The trained interviewer listens attentively to each answer to evaluate if the answer is adequate. If the answer is not adequate, the interviewer thinks, in a few seconds, about the possible cause and asks a good question to get more precise and complete information.
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INTERVIEWING
It is best to record the interview with a digital voice recorder.
Taking verbatim notes is very difficult unless the interviewer can write in shorthand.
It takes a long time to transcribe interviews. The usual estimate is that it takes 3 hours to transcribe 1 hour of recording.
It can be a tiring process for both parties so don’t schedule more than a few a day.
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QUALITATIVE INTERVIEWING IS MOST USEFUL FOR: Evaluating programs that are aimed at
individualized outcomes Capturing and describing program processes Exploring individual differences between
participants' experiences and outcomes Evaluating programs that are seen as
dynamic or evolving Understanding the meaning of a program to
its participants Documenting variations in program
implementation at different sites
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QUALITATIVE INTERVIEWING IS NOT AS USEFUL FOR: Evaluating programs that emphasize
common outcomes for all participants Measuring specific, predetermined effects of
a program on participants In impact evaluations, deciding whether the
intervention caused changes or effects in participants (since determining causality requires more controlled conditions)
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SUMMARY Interviewing is a good way to explore
people’s attitudes and values towards certain topics and situations and gain a fuller understanding of their motivations and actions.
However, they are time consuming and labor intensive and for those reasons are only done with small samples.
What you lose in breadth you make up for in depth.
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5 MINUTE BREAK
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FOCUS GROUPS38
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DEFINITION OF A FOCUS GROUP A carefully planned discussion
designed to obtain perceptions on a defined area of interest in a permissive, nonthreatening environment.
Discussion is relaxed, comfortable, and often enjoyable for participants as they share their ideas and perceptions.
Group members influence each other by responding to ideas and comments in the discussion. 39
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MAIN PURPOSE OF A FOCUS GROUP In a one to one interview, the interviewer will
ask the interviewee to explain certain thoughts and actions.
In focus groups it is often the participants themselves who will ask each other to explain certain actions/thoughts.
Focus groups allow us to study the ways in which individuals make sense of particular topics and construct social meanings around it.
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FOCUS GROUPS Focus groups produce qualitative data
through the use of open-ended questions that provide insights into the attitudes, perceptions, and opinions of participants.
Particularly appropriate procedure to use when the goal is to explain how people regard an experience, idea, or event.
Group discussion is conducted several times (about four) with similar types of participants to identify trends and patterns in perceptions.
Researcher conducts a careful and systematic analysis of the discussions. 41
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GROUP MAKEUP Conducted with approximately seven to ten
people by a skilled interviewer. Researcher serves several functions:
moderating, listening, observing, and analyzing using an inductive process.
Neutral moderator similar to participants (age, gender, race, etc.)
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PARTICIPANTS Unfamiliar with each other
(preferably strangers) Selected because they have
certain characteristics in common that relate to the topic of the focus groupAgeGenderOccupationMarital statusSimilar attitudes
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TOPICS OF DISCUSSION Carefully predetermined and sequenced open
ended questions (about 5 – 6 questions) Understandable and logical to the participant Avoid dichotomous questions (yes/no)
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PLANNING Inviting people may require a lot of phone
calls and planning. Need some incentive for people to attend
such as food and drink, travel expenses or a gift voucher as a form of payment.
Two facilitators/moderators, one to ask the questions and the other to observe/take notes.
High quality recording equipment, especially a good quality external stereo microphone
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ANALYSIS Examine one question at a time Consider the words Consider the context Consider the internal consistency Consider the specificity of responses Find the big ideas Consider the purpose of the report
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ADVANTAGES OF FOCUS GROUPS Socially oriented- real-life data in a social
environment Flexibility- format allows the moderator to
probe High face validity Low cost (25% - 50% less) Fast results Enable the researcher to increase the sample
size of qualitative studies
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LIMITATIONS OF FOCUS GROUPS Researcher has less control in the group
interview as compared to the individual interview.
Data are more difficult to analyze. Moderators require special skills. Each focus group has unique characteristics. Groups are difficult to assemble. Environment must be conducive to conversation.
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QUALITATIVE DATA ANALYSIS
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DATA ANALYSIS IN QUALITATIVE RESEARCH
Collecting raw data
Organizing and preparing data for analysis
Reading through all the data
Coding the data
Themes
Interrelating themes/description
Interpreting the meaning of themes/description
DescriptionValidating the accuracy of the
information
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THEN WE ENGAGE IN THE CODING PROCESS THAT INVOLVES SEVERAL STEPS:
Reduce Codes to5-7 Themes
Initially readthrough data
Divide text into segmentsof information
Label segments of informationwith codes
Reduce Overlap andredundancyof codes
Collapsecodes intothemes
ManyPages of Text
ManySegments of Text
30-40codes
Codesreducedto 20
51Office of Qualitative & Mixed Methods Research, University of Nebraska, Lincoln
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LEVELS OF CODING(FOR QUALITATIVE DATA)
OpenBreak down, compare, and categorize
data Axial
Make connections between categories after open coding
SelectiveSelect the core category, relate it to other
categories and confirm and explain those relationships
Strauss, A. and J. Corbin. Basics of qualitative research: Grounded theory procedures and techniques. Newbury Park, CA: Sage, 1990.
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COMPUTER ASSISTED/AIDED QUALITATIVE DATA ANALYSIS (CAQDAS) An ‘indispensable tool for storage retrieval
and manipulation of the text’ (Kelle, 1995). Allows the researcher to sort the data into
easily accessible categories to enable quick retrieval of data
Comparison of segments Refinement and development of codes Examples include NVivo, Atlas, Ethnograph,
and Hypersoft
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WHAT DOES CAQDAS ACTUALLY DO?
Aids mechanical data management techniques such as:
Cutting and pasting into codes Creating subcategories Notes in the margin
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ADDITIONAL USES OF CAQDAS Atlas also allows the storage of audio
recordings and the scanning of pictures and handwritten notes to be used as data.
Hypersoft strives to avoid decontexualisation of data through hyperlinks.
Use of CD ROM to record research which could provide the opportunity for multiple readings of the text.
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DEBATES SURROUNDING CAQDAS The central analytic task in qualitative
research – understanding the meaning of text cannot be computerized. Using CAQDAS is no substitute for thinking hard about the meaning of data.
Only the more mechanical task of data management can be aided by a computer.
Use of software package reflects choices of the researcher.
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IN SUMMARY
Choose software to fit research not research to fit software!!
Overall CAQDAS tends to be used as tool for intelligent management of research data.
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METHODS OF EVALUATING QUALITATIVE RESEARCH Developing standards of quality Lincoln and Guba’s classic work shed light on
how to assess truth in a qualitative report Offered four alternate tests of quality that
reflect the assumptions of the qualitative paradigm: Credibility Dependability Transferability Confirmability
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LINCOLN AND GUBA’S ‘NATURALISTIC’ CRITERIAAspect Scientific Term Naturalistic TermTruth value Internal validity CredibilityApplicability External validity or
generalizability Transferability
Consistency Reliability DependabilityNeutrality Objectivity Confirmability
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Source: Adapted from Guba and Lincoln (1981) and Lincoln and Guba (1985).
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ALTERNATE TESTS OF QUALITYCredibility refers to accuracy Description must be plausible and recognized
by participants
Enhanced by: Prolonged time in the field repeatedly
observing and interacting with participants Using different data sources, methods, data
type Conducting member checks
Involving other investigators in the study
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ALTERNATE TESTS OF QUALITYDependability refers to the stability and
trackability of the changes in data over time and conditions
Want to determine the extent to which another researcher with similar training and rapport with participants would make the same observations
This is determined by an audit trail Involves auditing research process,
documenting all the raw data generated, and assessing method of data analysis
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ALTERNATE TESTS OF QUALITYTransferability refers to the generalizability
of the study findings to other settings, populations, and contexts
Report must provide sufficient detail so that readers can assess this
Lack of transferability is viewed as a weakness of qualitative methods
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ALTERNATE TESTS OF QUALITYConfirmability refers to the objectivity of the
data
Would another researcher agree about the meanings emerging from the data?
An audit trail is used in which the researcher explains how personal biases may have come into play
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CONTEMPORARY STANDARDS OF QUALITY Diverse inquiry communities Positionality Community Voice Critical subjectivity Reciprocity Sacredness of the research relationship Sharing privileges
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QUALITATIVE RESEARCH“One of the opportunities --- and challenges -- posed by qualitative approaches is to regard our fellow human beings as people instead of subjects, and to regard ourselves as humans who conduct our research among rather than on them.”
Wolcott, H.F. (1990). Writing up qualitative research. Qualitative Research Methods Series, Vol. 20. Newberry Park: Sage.
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CRITERIA FOR EVALUATINGQUALITATIVE RESEARCH Is the research significant? Is there new or
unique information that is added to the work of others?
Are the methods appropriate for the question?
Are informants appropriate to inform study questions?
Was data collection systematic? Adequate? Is reference made to accepted procedures for
analysis? Was a systematic inductive approach used?
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CRITERIA FOR EVALUATINGQUALITATIVE RESEARCH (CONTINUED) Is there adequate discussion of how the
themes, concepts and categories were derived from the data?
Are the researcher’s conceptualizations true to the data? Are findings presented within a context? Is the reader able to understand the essence of the experience from the report of findings?
Is the credibility of the findings addressed? Do the conclusions reflect study findings?
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ADVANTAGES AND LIMITATIONS OF QUALITATIVE RESEARCH Focus on the whole of the human experience
and the meanings ascribed to them by participants
They provide the researcher with deep insights that would not be possible using quantitative methods
The major strength of qualitative work is the validity of the data it produces
Participants true reality is likely to be reflected
Major limitation is its perceived lack of objectivity and generalizability
Researchers become the research tools and may lack objectivity
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CONTACT INFORMATIONKelleigh Trepanier
KSU Center (West Entrance)Burruss.kennesaw.edu
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THANK YOU
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References for Qualitative ResearchBerg, B.L. (2008) Qualitative Research for the Social
Sciences. Needham Heights, MA: Allyn and Bacon.David, M. and Sutton, C. (2004) Social Research the
Basics. London: Sage, Ch 4.Flick, U. (2009) An Introduction to Qualitative
Research. London: Sage.Krueger, R.A. (1988) Focus groups: A practical guide
for applied research. Beverly Hills: Sage Publications, Inc.
Mason, J. (2002) Qualitative Researching. London: Sage.
Merriam, S.B. (2009) Qualitative Research: A Guide to Design and Implementation. San Francisco: Jossey-Bass.
Silverman, D. (2009) Doing Qualitative Research. London: Sage.
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ONLINE RESOURCESUniversity of Wisconsin Cooperative ExtensionLearning Storehttp://learningstore.uwex.edu/Program-Development-Evaluation-C234.aspx
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CAQDAS WEBSITES AnSWR (
www.cdc.gov/hiv/software/answr.htm) Atlas (http://www.atlasti.com/index.html) CDC EZ-Text (
www.cdc.gov/hiv/software/ez-text.htm) Decision Explorer (devoted to conceptual
mapping) (http://www.banxia.com/dexplore/)
Ethnograph (http://www.qualisresearch.com )
HyperResearch (www.researchware.com) QCA (Qualitative Comparative Analysis) (
http://www.compasss.org/software.htm) QSR NVivo (
http://www.qsrinternational.com/) MAXDA (http://www.maxqda.com)
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