Robin is 5 years old. According to Erikson, her major developmental task is

REBT began as a form of marital therapy

Indicate whether the statement is true or false

What is one of the primary advantages of a pretest-posttest nonequivalent control group design, in comparison to other nonequivalent group designs?

a. Posttest scores can help reduce threats from history effects. b. Posttest scores can eliminate threats from history effects. c. Pretest scores can help reduce the threat of assignment bias. d. Pretest scores can eliminate the threat of assignment bias.