Evaluating whether an instrument correlates highly with similar measures as well as whether the instrument does not correlate well with dissimilar measures is to determine which type of validity?

What struggle did Erik Erikson view as the major challenge of adolescence?

a. integrity versus despair b. identity versus role confusion c. generativity versus stagnation d. intimacy versus self-absorption

Which of the following statements about adolescent sports involvement is TRUE?

A) College athletes tend to use alcohol more than nonathletes do. B) Sports participation improves academic performance. C) In general, boys benefit from sports participation more than girls do. D) all of the above