To save time, you assign the first fifty people who sign up to participate in your study to the experimental condition and the next fifty to the control condition. The interpretations you could draw from the study will be severely limited because

a. you needed to carry out a within-subjects design.
b. you failed to use random assignment to conditions.
c. you did not have enough participants to conduct your study.
d. you need to include another control condition to draw accurate conclusions.

Answer: b. you failed to use random assignment to conditions.

Psychology

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Sternberg's triarchic theory of successful intelligence is comprised of which of the following three broad, interacting intelligences?

A) experiential, interpersonal, and academic B) fluid, crystallized, and social C) contextual, verbal, and spatial D) analytical, creative, and practical

Psychology

Regarding stress, control, and competence, which of the following statements is TRUE?

a. Direct control over the stressor increases the stress reaction. b. Perceived control over the stressor increases the stress reaction. c. A perceived lack of control is just as threatening as an actual lack of control. d. Feeling competent is unimportant regarding the stress reaction.

Psychology