Study Results
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View full resultsBasic Information
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COMPLETED
NA
128 participants
INTERVENTIONAL
2021-09-01
2022-03-27
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
QUADRUPLE
Study Groups
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White-White
Infants will first view 4 familiarization trials, in which the two adults each take turns waving and saying a short sentence. Each trial will last 10.5s. Which adult speaks first and which side she appears on will be counterbalanced. These familiarization trials will ensure infants encode each person separately. Then infants will watch 6 test trials (3 affiliation and 3 disengagement). The test trials will alternate, and the order will be counterbalanced across infants. In affiliation trials, the two adults will say "hello" and wave, whereas in the disengagement trials, the two adults will say "hmph", and turn away from each other. Both affiliation and disengagement will have the same length (3s), with actors maintaining the same distance from each other throughout the video. The procedure will be identical for all arms except in "White-White" arm, the two adults infants see will be two White adults.
Basic Science
This is a basic science experiment to test whether infants' looking time to video stimuli differ according to the race of the individuals shown.
Black-Black
The procedure is identical to the "White-White" arm except the two adults infants see will be two Black adults.
Basic Science
This is a basic science experiment to test whether infants' looking time to video stimuli differ according to the race of the individuals shown.
Black-White
The procedure is identical to the "White-White" arm except the two adults infants see will be one White and one Black adult.
Basic Science
This is a basic science experiment to test whether infants' looking time to video stimuli differ according to the race of the individuals shown.
Interventions
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Basic Science
This is a basic science experiment to test whether infants' looking time to video stimuli differ according to the race of the individuals shown.
Eligibility Criteria
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Inclusion Criteria
* no known developmental delays
Exclusion Criteria
* known developmental delays
8 Months
14 Months
ALL
Yes
Sponsors
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University of Chicago
OTHER
Responsible Party
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Hyesung Grace Hwang
Principal Investigator
Principal Investigators
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Hyesung G Hwang, PhD
Role: PRINCIPAL_INVESTIGATOR
University of Chicago
Locations
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Infant Learning and Development Laboratory at University of Chicago
Chicago, Illinois, United States
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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IRB18-1257
Identifier Type: -
Identifier Source: org_study_id
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