Boys are most likely to outnumber girls in a class designed for students gifted in:

Gradual exposure to a feared stimulus may occur during

a. behavior modification. b. systematic desensitization. c. cognitive therapy. d. psychoanalytic therapy.

In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?

a. individual differences b. experimenter effects c. subject bias effects d. measurement error