NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20250
Since 20240
Since 2021 (last 5 years)0
Since 2016 (last 10 years)0
Since 2006 (last 20 years)1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
Rothbart Infant Behavior…1
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Lewis, Michael; Sullivan, Margaret W.; Kim, Hillary Mi-Sung – Developmental Psychology, 2015
In 2 separate longitudinal studies, infants and their mothers were seen in 3 longitudinal visits. At 2 months, they were observed in free play where mothers' contingency toward their infants was obtained. At 5 months, a goal blockage response was produced when a previously learned contingent response became ineffective in producing an interesting…
Descriptors: Infants, Toddlers, Longitudinal Studies, Mothers