Which is the best example of random assignment of participants in an experiment?
a) Assigning participants systematically to a treatment condition
b) Building groups based on matched pairs
c) Using a method that allows for equal and unbiased assignment of participants to groups
d) Choosing participants from a local university
Correct Answer: c
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Which of the following is a problem of test validity?
A. When test responses are depend on recent events. B. When test questions are vague. C. When test responses do not reflect the hypothetical constructs being measured. D. When similar test responses cannot be obtained in a second testing.
The game show Jeopardy tests contestants’ general knowledge of current events, literature, music, etc. Contestants are showing their ____.?
a. ?fluid intelligence b. ?crystallized intelligence c. ?dualistic thinking d. ?egocentrism
The nervous system is directly responsible for all of the following activities except
A. receiving information from sensory systems. B. secreting hormones into the bloodstream. C. integrating new information with past experiences. D. directing the movement of muscles.
Your instructor draws a group of shapes on the board. You see two groups of twelve circles each, separated by a large blank space. What Gestalt principle does your organization of the circles into two groups illustrate?
n n n n n n n n n n n n n n n n n n n n n n n n a. continuity c. closure b. similarity d. proximity