131. The magazine Desperate Wives publishes a survey of its female readers called The Sex Life of the American Wife. It reports that 87 percent of all wives like to make love in rubber boots. A more accurate title for this survey would be ___________________. a) Rubber Boot Preferences and the American Wife b) The New Sexuality in America: Rubber Boots in Bed! c) The Sex Lives of Our Readers: Desperate Wives Women Respond d) Sex in America: These Boots Were Made for Walking and for. . . . Learning Objective 1.9 What is the correlational technique, and what does it tell researchers about relationships? 132. A(n) is a measure of how strongly two variables are related to one another. a) independent variable b) dependent variable c) experimental effect d) correlation 133. The word correlation is often used as a synonym for _____________. a) validity b) reliability c) variable d) relationship 134. A correlation is a numerical measure of the __________________. a) unintended changes in participants behavior due to cues from the experimenter b) strength of the relationship between two variables c) behaviors of participants of different ages compared at a given time d) behaviors of participants followed and periodically assessed over time 135. A correlation coefficient is represented by the symbol _____________. a) large letter C b) large letter R c) small letter c d) small letter r 136. Which of the following correlation coefficients represents the strongest relationship between two variables? a) .50 b) .25 c) -.25 d) -.75 137. Paul records data that indicate that the number of hot chocolates sold at the concession stand increases as temperature outside decreases (for example, more hot chocolates are purchased during late fall than late spring). Which of the following statements is the most accurate depiction of this finding? a) There is a correlation between the two variables. b) There is a strong, positive correlation between the two variables. c) There is a weak, positive correlation between the two variables. d) There is a negative correlation between the two variables. 138. Julie finds that the number of hours she sleeps each night is related to the scores she receives on quizzes the next day. As her sleep approaches 8 hours, her quiz scores improve; as her sleep drops to 5 hours, her quiz scores show a similar decline. Julie realizes that ______________________. a) there is a negative correlation between the number of hours she sleeps and her quiz grades b) there is a positive correlation between the number of hours she sleeps and her quiz grades c) her low quiz scores are caused by sleep deprivation the night before a quiz d) she should sleep about 10 hours a night to ensure 100 percent quiz grades 139. Which correlation coefficient is most likely to describe the relationship between brushing ones teeth and the number of cavities one gets? a) -.62 b) .83 c) -.08 d) .45 140. Drinking orange juice is negatively correlated with the risk of cancer. Based on this information, which of the following statements is true? a) The more orange juice you drink, the higher your risk of cancer. b) The more orange juice you drink, the lower your risk of cancer. c) The less orange juice you drink, the lower your risk of cancer. d) Drinking orange juice causes people to be cancer free.
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