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Chapter 2: Problem 1
Scientific hypotheses are _____________ and falsifiable. a. observable b. original c. provable d. testable
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Which statement best illustrates a negative correlation between the number of hours spent watching TV the week before an exam and the grade on that exam? a. Watching too much television leads to poor exam performance. b. Smart students watch less television. c. Viewing television interferes with a student's ability to prepare for the upcoming exam. d. Students who watch more television perform more poorly on their exams.
Height and weight are positively correlated. This means that: a. There is no relationship between height and weight. b. Usually, the taller someone is, the thinner they are. c. Usually, the shorter someone is, the heavier they are. d. As height increases, typically weight increases.
____________- means that everyone in the population has the same likelihood of being asked to participate in the study. a. operationalizing b. placebo effect c. random assignment d. random sampling
________________ is to animal research as _______________ is to human research. a. informed consent; deception b. IACUC; IRB c. \(\quad\) IRB; IACUC d. deception; debriefing
Longitudinal research is complicated by high rates of ____________. a. deception b. observation c. attrition d. generalization
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