Recording the behavior of people or animals in their real-life settings without imposing laboratory conditions is known as the method

Time spent volunteering declines in the

A) fifties. B) sixties. C) seventies. D) eighties.

By subtracting the mean from the original score and dividing the resulting number by the standard deviation for that group of scores, you have converted this original score to a

a. median score. b. intermediate range. c. z-score. d. percent variance.