external validity. the external validity question theory causeconstructeffectconstruct what you...
DESCRIPTION
The External Validity Question Theory CauseconstructEffectconstruct Cause-effect construct Observation ProgramObservations What you do What you see Program-outcome relationship Observation ProgramObservations What you do What you see Program-outcome relationship Observation ProgramObservations What you do What you see Program-outcome relationship Observation ProgramObservations What you do What you see program-outcome relationship Can we generalize to other persons, places, OR times?TRANSCRIPT
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External ValidityExternal Validity
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The External Validity QuestionThe External Validity Question
TheoryTheory
CauseCauseconstructconstruct
EffectEffectconstructconstruct
What you What you thinkthink
Cause-effect constructCause-effect construct
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The External Validity QuestionThe External Validity Question
TheoryTheory
CauseCauseconstructconstruct
EffectEffectconstructconstruct
Cause-effect constructCause-effect construct
ObservationObservation
ProgramProgram ObservationsObservationsWhat you What you dodo What you What you seesee
Program-outcome relationshipProgram-outcome relationship
ObservationObservation
ProgramProgram ObservationsObservationsWhat you What you dodo What you What you seesee
Program-outcome relationshipProgram-outcome relationship
ObservationObservation
ProgramProgram ObservationsObservationsWhat you What you dodo What you What you seesee
Program-outcome relationshipProgram-outcome relationship
ObservationObservation
ProgramProgram ObservationsObservationsWhat you What you dodo What you What you seesee
program-outcome relationshipprogram-outcome relationship
Can we generalize to other persons, places, OR times?Can we generalize to other persons, places, OR times?
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How Do We Generalize?How Do We Generalize?Model I: SamplingModel I: Sampling
PopulationPopulation
Specified persons, Specified persons, places, and timesplaces, and times
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How Do We Generalize?How Do We Generalize?Model I: SamplingModel I: Sampling
PopulationPopulation
SampleSampleDrawDrawsamplesample
DrawDrawsamplesample
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How Do We Generalize?How Do We Generalize?Model I: SamplingModel I: Sampling
PopulationPopulation
SampleSample
GeneraLizeGeneraLizebackback
GeneralizeGeneralizebackback
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How Do We Generalize?How Do We Generalize?Model II: Proximal SimilarityModel II: Proximal Similarity
OurOurStudyStudy
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How Do We Generalize?How Do We Generalize?Model II: Proximal SimilarityModel II: Proximal Similarity
OurOurStudyStudy
TimesTimes PeoplePeople
PlacesPlaces
SettingsSettings
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How Do We Generalize?How Do We Generalize?Model II: Proximal SimilarityModel II: Proximal Similarity
OurOurStudyStudy
TimesTimes PeoplePeople
PlacesPlaces
SettingsSettings
LessLesssimilarsimilar
LessLesssimilarsimilar
LessLesssimilarsimilar
LessLesssimilarsimilar
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How Do We Generalize?How Do We Generalize?Model II: Proximal SimilarityModel II: Proximal Similarity
OurOurStudyStudy
TimesTimes PeoplePeople
PlacesPlaces
SettingsSettings
LessLesssimilarsimilar
LessLesssimilarsimilar
LessLesssimilarsimilar
LessLesssimilarsimilar
Gradients ofGradients ofsimilaritysimilarity
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Threats to External ValidityThreats to External Validity
Maybe it is just Maybe it is just thesethese people.people.
Maybe it is just Maybe it is just thesethese places.places.
Maybe it is just Maybe it is just thesethese times.times.
Interaction of selection Interaction of selection and treatmentand treatment
Interaction of setting Interaction of setting and treatmentand treatment
Interaction of history Interaction of history and treatmentand treatment
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How Can We Improve External How Can We Improve External Validity?Validity?
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How Can We Improve External How Can We Improve External Validity?Validity?
PopulationPopulation
SampleSample
Random samplingRandom sampling
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How Can We Improve External How Can We Improve External Validity?Validity?
PopulationPopulation
SampleSample
OurOurStudyStudy
PeoplePeoplePl
aces
Plac
es
Tim
esTi
mes
Random samplingRandom sampling
Replicate, Replicate, Replicate, Replicate, ReplicateReplicate
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How Can We Improve External How Can We Improve External Validity?Validity?
PopulationPopulation
SampleSample
OurOurStudyStudy
PeoplePeoplePl
aces
Plac
es
Tim
esTi
mes
OurOurStudyStudy
timestimes peoplepeople
placesplaces
settingssettings
Random SamplingRandom Sampling
Replicate, Replicate, Replicate, Replicate, ReplicateReplicate
Use theoryUse theory