Rachel is visiting her friend Edith. Edith's mom gives each of the children a can of juice and a glass. Rachel's glass is a short, fat glass, and when she pours her juice into the glass she is convinced that Edith has more juice. Rachel would clearly be in the stage of cognitive development that Piaget named the:

Using a revised definition of levels of processing that stresses the amount of effort expended during learning, researchers have found that when learning a list of words people do best when they

a) learn lists that do not rhyme. b) must generate rhymes for each word. c) are given a list of rhymes for each word. d) learn lists that have extremely difficult words to rhyme.

When a situation and a trait are examined in the same study, there are _________ systematic sources of influence on behavior

a. four b. three c. exactly two d. five