Cumulative cultural evolution occurs as variations in the material and symbolic resources of a culture shift over time.

Research has revealed substantial differences in patterns of growth for babies of different ethnicities, even when they are raised in comparably healthy environments.

Children will use the information from their mirror images to rub spots of rouge off their noses, but not until about the age of:

Visual acuity in children is close to adult levels:

According to the concept of coevolution:

Brenda is learning geometry. In a sense she is acquiring a(n):

A child’s internal working model based on his or her early attachment to a caregiver:

The ability to recognize themselves in the mirror:

Sternberg’s “triarchic” theory of intelligence proposes that there are three kinds of intelligences:

Formal education is the most structured type of explicit education.