The easiest psychological problem to link to problems with the approach/avoidance system is

Self-esteem can be greatly undermined when

A) children gain an understanding that traits are linked to specific desires. B) recursive thought influences the development of perspective taking. C) children internalize the expectations of those around them. D) there is a large discrepancy between a child's ideal and real self.

Efforts to teach language to nonhuman primates

A) prove that, with appropriate training, any animal can acquire a vocabulary of several dozen symbols. B) show that, after extensive training, chimpanzees using sign language can produce short sentences with greater consistency than a preschool child. C) have been completely unsuccessful because animals cannot learn even basic language. D) support Chomsky's assumption that the capacity for elaborate grammar is unique to humans.