If X is positively correlated with Y, one can conclude that
a. X probably causes changes in Y.
b. Y probably causes changes in X.
c. changes in X and Y are both probably caused by Z.
d. None of these is true.
D
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Which of the following describes the mathematical ability of those not attending the after-school book club?
A. Not being in a sports team negatively affects mathematical ability. B. There is no significant difference in mathematical ability between those on sports teams and those not. C. Those on a school sports team are brilliant at maths tests. D. Not being in book club precludes you from joining a sports team.
Most students can become academically proficient in a second language within
a. 2 years b. 4 years c. 6 years d. 8 years
An explanatory and a prediction correlational design have what factor in common?
a. They both examine the association between two or more variables. b. They both try to explain and predict outcomes of a study. c. They both include predictor variables to be measured. d. They both use advanced statistical procedures for analysis.
Consent that ensures voluntary participation in behavior change programs must be both voluntary and considered socially valid
Indicate whether the statement is true or false