Most sex-linked disorders are caused by which of the following?

Meagan finds that studying for a test reduces her anxiety towards the test. As a result, she continues to study for upcoming exams. This reduction in anxiety is an example of:

a. positive reinforcement. b. negative reinforcement. c. positive punishment. d. negative punishment.

Jean Mandler in her studies of children's stories, suggests that two types of story representations are present. They are:

A) what is intuitive and what is imagined B) what a child imagines and what a child tells C) what a child knows and how that knowledge is organized D) what is unusual and what is natural E) none of the above