People who eat a great deal of fast food are at risk for obesity and¬¬¬¬ __________

Recent research examining the development of formal logic has demonstrated that

development may be far less stagelike than Piaget believed. those who have developed this capability use it consistently in every situation. development occurs much more quickly than Piaget believed. adolescents across cultures develop this capability at the same age.

Short, rhythmic bursts of brainwave activity that appear during stage 2 sleep are called __________

a) delta waves. b) sleep spindles. c) paradoxical sleep waves. d) beta waves.