In __________, young people volunteer to care for the elderly in exchange for credits that can be used to obtain a similar service for their own needs in later years

A clear advantage of longitudinal designs over cross-sectional designs is that longitudinal designs

a. are quicker and easier to administer b. can be used to assess the stability of individual differences over long periods c. allow tighter experimental control over the experiences children encounter d. are less affected by biased memory effects in which current memories influence perceptions of prior events

Allport's phrase, unitas multiplex, refers to

A) a statistical procedure for analyzing personality. B) the similarity between twins. C) the need for multiple sources of data in analyzing a personality. D) the integration of diverse elements in a healthy personality.