The extent to which an experiment has effectively controlled for confounding variables is called:
a. operational validity
b. internal validity
c. external validity
d. central validity
B
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Another term for the standard deviation of the sampling distribution of means is known as
a. the standard error of the mean. b. the central limit theorem. c. relative frequency. d. the sampling distribution of means.
Children who let themselves into their homes after school and wait alone until their caregivers return from work are known as
a. home-care children. c. house-sitter children. b. self-care children. d. home-alone children.
College students of Asian heritage are more likely than their Western counterparts to endorse a view of love strongly based on __________
A) companionship B) physical attraction C) passion and romance D) deep emotion
According to Freud, the part of the human mind that is concerned with following the rules of society and that may experience feelings of guilt when one violates social norms is called the:
a. id b. ego c. superego d. libido