________ indicate whether two variables relate to each other and the direction of the relationship.
A. Experiments
B. Confounding variables
C. Correlation coefficients
D. Random assignments
Answer: C
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A large school district introduces a new reading program into one-half of its first-grade classrooms. Three years later, the reading scores of the 10,000 children in the new program average 3 points higher on a 100-point test than the scores of the 10,000 children who did not get the program. Although 3 points is statistically significant, the problem with saying that the program was a great
success is that ____. a. the samples are too small to assess clinical significance b. the reading test is probably not reliable c. three points on the reading score is probably not clinically significant d. there was no control group
Phenylketonuria is an example of which of the following?
A) A sex-linked recessive disorder B) A disorder of immune function C) An autosomal disorder D) A gamete disorder
Which of the following scenarios BEST represents the greatest source of stress for single-mother families?
A. The daily social activities of Sherry's children B. Gilda's feelings of closeness to her children C. Brenda's attachment to her former spouse D. Andrea's lack of financial resources
Complying with instructions or orders from an individual who is in a position of authority is called
a. mimicry. b. conformity. c. groupthink. d. obedience.