Approximately what percent of adolescent sexual assault victims turn to parents or other adults for help?

In a Canadian study, which of the following groups of children fared least well when cared for by someone other than their mothers during infancy?

girls from low-income families children of African descent boys from high-income families children of French descent

A study that compares people in different age groups is called a(n) __________ study

a. experimental b. longitudinal c. cross-sectional d. observational