Pam is studying for a quiz on the muscular system. She writes in her notes that extrafusal muscle fibers
A. are found inside each muscle spindle.
B. are responsible for muscle contractions.
C. provide feedback regarding muscle contractions in the arms and legs.
D. are located at the junction between a muscle and tendon.
Answer: B
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What is indicated by a negative correlation between grade point average and the number of hours spent studying for a sample of college students? a. As the number of hours increases, grade point average also increases. b. As the number of hours increases, grade point average decreases
c. As the number of hours decreases, grade point average also decreases. d. A negative correlation indicates that there is no consistent relationship.
If researchers wanted to study how long museum visitors looked at various displays in order to learn more about how to set up the displays, the investigators could monitor the behaviors of the visitors. Such research would be called
a. universalistic. b. continuous. c. reactive. d. particularistic.
Although research by LaPiere (1934) demonstrated that attitudes were not very predicative of behavior, what was described as one important flaw of his study?
a. It is not clear whether the people who answered LaPiere's questions were the same people who served the Chinese couple. b. The sample size was very small. c. The samples size was too big. d. The self-report questionnaire measuring attitudes was not well designed.
Which of the following is not a strategy researchers use to make a convenience sample representative of a larger target population of interest?
A. Researchers combine convenience sampling with probability sampling methods. B. Researchers select subgroups of the population that resemble or represent characteristics in a target population of interest. C. Researchers select participants based on how available they are to participate. D. Researchers use quota sampling techniques to select a sample.