A laboratory observation is a controlled test of a hypothesis in which the researcher manipulates one variable to discover its effect on another

The frequency of sexual intercourse declines in middle age, but the sexual pleasure remains vital

Indicate whether the statement is true or false.

Allport's concept of functional autonomy asserts that

A) healthy people can function without much help. B) childhood is the most important period for the formation of personality. C) traits should be understood in terms of the present, rather than in terms of their origins. D) once a good statistical method is available, theory is no longer necessary.