ch 15 - QUESTION 1 The correlation coefficient is a measure...

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QUESTION 1 The correlation coefficient is a measure of __________. mean differences causation prediction association 1 points QUESTION 2 While you can use the correlation coefficient as its own test statistic, what is the other appropriate test statistic often used to examine the significance of a correlation? F test Cohen' s d t-test η 2 1 points QUESTION 3 This chapter illustrates that you can also incorporate ___________ into the correlation coefficient. statistical significance substantial significance descriptive statistics generalizability 1 points QUESTION 4 Correlation coefficients examine: differences between two groups differences between two or more groups the relationship between variables how variables can be arranged into higher- order factors 1 points
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QUESTION 5 Correlation coefficients can test this many variables at a time: only one only two one or more two or more 1 points QUESTION 6 The appropriate test statistic to use is the: t test for the correlation coefficient p test for the correlation coefficient r test for the correlation coefficient t test for statistical significance 1 points QUESTION 7 Correlations can be: directional or nondirectional only directional only nondirectional neither directional nor nondirectional 1 points QUESTION 8 Significant correlations are not able to indicate: the probability level size of the effect causality strength of the effect 1 points QUESTION 9 What is another term for a positive correlation?
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indirect nondirectio nal direct unidirectio nal 1 points QUESTION 10 What is another term for a negative correlation?
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