Parents with higher socioeconomic status tend to be more controlling and more punitive, characteristics associated with the authoritarian style of parenting

Stage 1 sleep is represented by EEG brain-wave patterns referred to as

a. alpha waves. b. REM waves. c. theta waves. d. zeta waves.

A priori comparisons, comparing only means for which specific differences are predicted by the research hypothesis, are also called

a. post hoc comparisons. b. complex comparisons. c. planned comparisons. d. pairwise comparisons.