Dr. Nielsen is describing his research regarding social status of young children measured by peer nomination. His research is likely to involve all of the following categories EXCEPT:

Neo-Freudian Carl Jung developed a theory of personality that, among other points, separated human beings into two important sides of a specific trait. Those sides were:

a) introversion and extroversion. b) neuroses and psychoses. c) psychoticism and socialism. d) feminism and masculism.

Both the longitudinal and cross-sectional designs are used in a

a. cohort effect. b. hybrid design. c. laboratory study. d. field study.