A percentile rank is a measure of
a. actual performance
b. relative performance.
c. absolute performance.
d. peak performance.
b
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Paul, an 18-year-old college student, is playing online blackjack and credits his skill for the wins and blames his losses on bad luck. Paul is exhibiting which of the cognitive distortions that lead to gambling addictions?
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Which correlation coefficient should we use if we want to find out whether a relationship exists between two variables that are both interval or ratio variables?
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A researcher decides to study cognitive changes in children by simultaneously studying groups of 3-year-olds, 6-year-olds, 9-year-olds, and 12-year-olds. This researcher is conducting a ______ study
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