Approximately what percentage of cases of autism involve mental retardation?

In the United States, the average life expectancy is just over___years for men and just over___ years for women

A) 81; 86 B) 86; 91 C) 76; 81 D) 81; 76

Which of the following occurs whenever a person or animal forms a simple connection among various stimuli and/or responses?

a. associative learning b. insight learning c. vicarious learning d. cognitive learning