Question

A study by Jylhä and Isometsä (2006) found that the correlation between extraversion and depression was r = -.47 in a random sample from Finland. What can we conclude from this finding? a. Extraversion causes lower depression. b. People who score high on extraversion tend to score low on depression. c. There is no relationship between extraversion and depression. d. People who score high on extraversion tend to score high on depression. In Question #1 above, what proportion of the variability in depression can be explained by its relationship with extraversion? Is it a small, medium, or large effect? (Hint: Think about what you are being asked to compute. What is the "proportion of variability explained" the definition of?)

          A study by Jylhä and Isometsä (2006) found that the correlation between extraversion and depression was r = -.47 in a random sample from Finland. What can we conclude from this finding?

a. Extraversion causes lower depression.
b. People who score high on extraversion tend to score low on depression.
c. There is no relationship between extraversion and depression.
d. People who score high on extraversion tend to score high on depression.

In Question #1 above, what proportion of the variability in depression can be explained by its relationship with extraversion? Is it a small, medium, or large effect? (Hint: Think about what you are being asked to compute. What is the "proportion of variability explained" the definition of?)

A study by Jylhä and Isometsä (2006) found that the correlation between extraversion and depression was r = -.47 in a random sample from Finland. What can we conclude from this finding?

a. Extraversion causes lower depression.
b. People who score high on extraversion tend to score low on depression.
c. There is no relationship between extraversion and depression.
d. People who score high on extraversion tend to score high on depression.

In Question #1 above, what proportion of the variability in depression can be explained by its relationship with extraversion? Is it a small, medium, or large effect? (Hint: Think about what you are being asked to compute. What is the "proportion of variability explained" the definition of?)

Added by Victor Manuel P.

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