If the dots on a scatter diagram lie on a straight line extending from the lower

Question

If the dots on a scatter diagram lie on a straight line extending from the lower left side of the graph to the upper right side, the researchers will obtain a correlation coefficient of: + 1.0 + 0.5 0.0 - 1.0 If the dots in a scatter diagram resemble an inverted U, the correlation is most likely: positive negative curvilinear rectangular Which of the following correlation coefficients indicates the strongest correlation between depression and anxiety? + .75 + .60 - 00 - .60 Which of the following correlation coefficients indicates the strongest association between depression and number of activities of daily living performed? - .45 + .60 .00 - .70 If scientists obtain a correlation coefficient of + .50 between depression and anxiety, they can state that: depression causes anxiety anxiety causes depression 50% of the time low levels of depression are associated with low levels of anxiety low levels of anxiety are associated with high levels of depression

Explanation / Answer

Solution:

(i) a. +1.0

(ii) c. curvilinear

(iii) a. +0.75

(iv) d. -0.70

(v)  c. low levels of depression are associated with low levels of anxiety

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