Which of the following is a technique to improve internal validity?
A. experimenter expectancy
B. the addition of a control group
C. the use of a confederate
D. participant bias
Answer: B
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Most studies find that about half of the patients who receive antipsychotic medication are rated as being much improved after what length of time?
a. twenty-four hours b. forty-eight hours c. four to six weeks d. two to four months
Upon birth, the infant relates to ____ objects. When the infant’s world expands, they then relate to ____ objects. Eventually the infant will relate to ____ objects.?
a. ?part; whole; all b. ?all; part; whole c. ?part; all; whole d. ?All of the choices are possible orders. e. None of the choices are correct.?
Bertram has had a whirlwind of a first semester of college, and now that finals are over, he is concerned about his weight gain during the past few months. After reading a bit about this issue, he believes that the gain is primarily due to engaging in less physical activity than in his high school years, rather than a change in his eating habits. Bertram is currently attempting to ____
a. ?solve the problem b. make a plan c. ?frame the problem d. ?speculate on a solution
Suppose that you draw a sketch of your college campus. In reality, one particular road on campus is vaguely U-shaped, but the right-hand portion of the curve is steeper than the left-hand portion
According to your drawing, however, the two portions have the same degree of curvature. This example illustrates a. the 90-degree-angle heuristic. b. the alignment heuristic. c. the rotation heuristic. d. the symmetry heuristic.