In experimental research, variables that can't be controlled, such as individual differences, are treated by random assignment

Those who suffered from the form of mass madness called lycanthropy may have believed themselves to be possessed by:

A)bats. B)wolves. C)tigers. D)spiders.

Thinking about one's own thoughts is called:

A) egocentrism. B) metacognition. C) the imaginary audience. D) idealism.