The ___________ is the standard deviation of sample means
a. absolute mean deviation
b. central dendency
c. point biserial
d. standard error
D
Psychology
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C.J. gains comfort through eating and drinking. She also cries to gain attention from her parents or to express discomfort. Freud would say that C.J. is in which stage of development?
A) Symbiotic B) Dependent C) Anal D) Oral
Psychology
What must be established in an experiment before construct validity is considered?
a) The experiment has face validity. b) The experiment is conducted using no less than two measures of each construct. c) The experiment has sufficient external validity. d) The experiment has sufficient internal validity.
Psychology