The CAP Sample

80% complete

The following excerpt is from the following:

Plomin, R., & DeFries, J. C. (1985a). Origins of individual differences in infancy: The Colorado Adoption Project. Orlando, FL: Academic Press.

It describes the recruitment process and sample selection for the original CAP.

Please download and read this 2013 paper on the CAP Sample
The Colorado Adoption Project

What is the average age adopted children are placed in their homes in the CAP sample?
1. 90 days
2. 20 days
3. 156 days
4. 29 days
Which is not a criteria for matching control families with adoptive families in this study?
1. Age of father within 5 years
2. Sex of proband
3. Total years of father's education within 2 years
4. Age of mother within 5 years
5. number of children in family
6. NORC (National Opinion Research Center) score of father within 8 points
CAP families are mostly considered middle class.
1. True
2. False