1) Determine which correlation coefficient indicates a stronger relation between
ID: 3375474 • Letter: 1
Question
1) Determine which correlation coefficient indicates a stronger relation between variables: -0.28 and -0.31.
a) -0.28
b) -0.31
c) same strength
2) The incidence of depression among college students is negatively correlated with the number of sunny days each year in the locale where they attend college. This statement means that:
a) the chances of a college student being depressed tend to increase as there are fewer sunny days.
b) a student attending college in a locale with very few sunny days will become depressed.
c) the chances of a college student being depressed tend to increase as the number of sunny days increases.
d) if a depressed student were to move to a locale with more sunny days, her depression would subside.
3) Determine which correlation coefficient indicates a stronger relation between variables: 1.0 and -1.0.
a) 1.0
b) -1.0
c) same strength
4) In a re-analysis of published studies, Twenge and Im (2007) found that for the time period of 1958 to 2001, the need for social approval of people in the United States was negatively correlated with the U.S. divorce rate during that same period (the correlation coefficient was -.38). This means that:
a) the need for social approval prevents people from seeking divorce.
b) the need for social approval spurs people to get divorced.
c) as the need for social approval increased, divorce rates decreased.
d) as the need for social approval increased, divorce rates increased.
5) Determine which correlation coefficient indicates a stronger relation between variables: -0.15 and 0.13.
a) -0.15
b) 0.13
c) same strength
Explanation / Answer
1.b) -0.31
2. a) the chances of a college student being depressed tend to increase as there are fewer sunny days.
3. c) same strength
4. c) as the need for social approval increased, divorce rates decreased.
5. a) -0.15
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