Piaget and Inhelder tested whether children could seriate in two dimensions at once by asking them to sort leaves according to size and brightness. What did they find to be TRUE?

a. Preoperational children could correctly complete this task.
b. Concrete operational children could seriate on one dimension, but not both.
c. Concrete operational children could seriate on both tasks simultaneously.
d. Whether children could accomplish this task was related to the quality of their education.

c

Psychology

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Often, the decision to marry is a response to

a. the social clock. b. moral judgments. c. fluctuations in self-esteem. d. needs for autonomy.

Psychology

It is not uncommon for older people to suffer from dehydration despite experiencing a lack of thirst, which means that they have

a. a drive but not a need. b. a need but not a drive. c. both a drive and a need. d. neither a need nor a drive.

Psychology