According to Piaget, a key aspect of preoperational thought is ___________, the ability to use a mental symbol, a word, or an object to stand for or represent something that is not physically present

Genetic engineering modifications of this type are passed on to the subject's offspring

a. Germ line. b. Somatic. c. Incidental. d. Peripheral.

A police officer who has to arrest his nephew for drug possession or a teacher who must flunk a close friend's daughter will most likely experience

a. role conflict. b. role reversal. c. role exchange. d. role diffusion.