Which of the following statement best describes the criteria for inferring or causality?
A) A relationship must exist between variables
B)One variable must precede the other in time.?
C)A third variable did not cause the changes observed in the first two variables.?
D) A relationship must exist between two variables, with the cause preceding the effect in time, and the relationship cannot be explained away by the influence of a third variable.
D
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Reporting range, proportion, mean, mode, and median constitute:
a. inferential statistics b. qualitative exploratory knowledge c. descriptive statistics d. correlational statistic
A program may be unsuccessful because:
a. The practice theory is incorrect. b. Inputs are sufficient. c. All the activites are present. *d. Stakeholders agree about outcomes.
Freud believed that neurotic symptoms were due to:
A) abnormal brain chemistry. B) sexual drives. C) society's moral values. D) the conflict between sexual drives and society's moral values.
When searching for evidence, you should:
a. Refrain from looking at web sites b. Use only one search term. c. Avoid systematic reviews. d. Examine the Cochrane and Campbell Collaboration resources.