With which of the behavioral therapy techniques are the concepts of modeling and role-playing most likely to be associated?

In order to be diagnosed as having a major depressive single episode, a patient would have to report experiencing depressed mood or lack of interest in daily activities for a period of two

A) days. B) months. C) weeks. D) years.

The____ has made the most spectacular progress toward learning to communicate by an approximation of human language

a. common chimpanzee b. bonobo chimpanzee c. gorilla d. dolphin