Which of the following is true?

a. We can rule out the possible effects of mediating variables in correlational research.
b. As a correlation coefficient increases, we can be more sure that a causal relationship exists between the two variables
c. It is not possible to correlate two variables that have different scales of measurement.
d. Correlational research cannot demonstrate a causal relationship between two variables.


D

Psychology

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Which of the following is the strongest predictor for a person developing bulimic symptoms?

A. The amount of control family tried to exercise over the person B. The degree of overprotectiveness parents displayed C. The amount of marital conflict between parents D. The number of critical comments family members made about the person's appearance

Psychology

Junko’s grandmother survived a stroke but is paralyzed on her left side. She has likely suffered damage to her ____

a. left hemisphere b. cerebellum c. brain stem d. right hemisphere

Psychology

The typical sequence of the five stages of dying postulated by Kübler-Ross is ________

a. denial, anger, bargaining, depression, acceptance b. anger, denial, depression, bargaining, acceptance c. depression, anger, denial, bargaining, acceptance d. anger, bargaining, depression, denial, acceptance

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If the display 7-3-6-9-4 is presented in a Sternberg paradigm and a research participant is asked to indicate if the digit 3 is in the set, his or her reaction time should be:

A) equal to that for 6 B) twice as fast as that for 6 C) shorter than that for 7 D) shorter than that for 5 E) none of the above

Psychology