What statistic measures how far away from the mean a particular score is?
a) variability
b) standard deviation
c) median
d) range
Answer: b) standard deviation
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Suppose that you are working on a group project with four other people, and that you need to come up with ideas about how to find research participants to complete a survey for free. Should you brainstorm ideas as a group or work independently?
a. Brainstorm—productivity will be about the same, but morale will be higher. b. Brainstorm—both productivity and morale will be higher. c. This depends on your goals—brainstorming will be less productive, but will raise morale more. d. Work independently—morale will be about the same, and productivity will be higher.
Which statement is always true? a. A population is larger than a sample
b. A population consists of a single sample. c. A sample is another term for a population. d. A sample is a cultural concept while a population is a social concept.
Research on stress in children's sports by Simon and Martens (1979) examined the level of state anxiety among hundreds of boys and found that
A. boys at all age levels experience more stress than girls B. boys at puberty experience more stress than older boys C. state anxiety is greatest in individual activities D. state anxiety is greatest in team sports E. children do not exhibit stress in sport
Women had the right to divorce husbands in ancient ____
a. Hebrew culture c. Greek culture b. Roman culture d. Egyptian culture