What is the purpose for using a control group in an experiment?

a. It provides a baseline to evaluate the size of the treatment effect.
b. It minimizes the threat of a confounding variable

c. It is necessary to ensure the internal validity of the study.
d. It is necessary to ensure the external validity of the study.


a

Psychology

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Which of the following is a group test that measures different mental aptitudes, was designed to predict one's chances of success in college, and can also be used to estimate general intelligence?

a. Dove Counterbalance Intelligence Test b. SAT Reasoning Test c. Stanford-Binet (SB5) d. WAIS-IV

Psychology

SAD stands for

a. situational affected depression. b. seasonal affective disorder. c. sensory attributed depression. d. simulated apathy disorder.

Psychology

A mean expectancy for obtaining positive reinforcements in a given life area is called:

a. minimal goal b. reinforcement value c. freedom of movement d. outcome value

Psychology

Research has shown that adolescent employment only has detrimental effects on those who work

Indicate whether the statement is true or false

Psychology