People may develop posttraumatic stress disorder when they have witnessed others being victimized, even when they have not been direct victims themselves

The similarity between the intelligence test scores of identical twins raised apart is:

a. less than that between children and their biological parents. b. equal to that between identical twins reared together. c. equal to that between fraternal twins reared together. d. greater than that between ordinary siblings reared together.

A job consists of tasks or duties a person does for pay

Indicate whether the statement is true or false