Jim, a researcher, attempts to test the effect of the environment in an examination hall on a student's performance. However, he gives students question papers that differ in complexity and subject matter. His results would not be reliable because the complexity and subject matter of the examination are
A. dependent variables.
B. independent variables.
C. confounding variables.
D. control variables.
Answer: C
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Greta carries the fragile-X chromosome. This means that she:
will be perfectly normal. might be normal or mentally retarded. will be severely mentally retarded. will have several physical abnormalities.
Which of the following is NOT one of the reasons that Tanford (1980) offered to describe the reluctance of the courts to rely upon empirical research?
A. Judges are conservative and perceive social scientists to be liberal B. Judges are human and it is human nature to be unscientific C. Judges perceive science as a threat to their power and prestige D. Judges already have extensive experience with social science and do not need further assistance
Which of the following phenomena may explain why some people (men or women) stay in an unhealthy and/or abusive relationship even though they may truly want to leave?
a) associative learning b) instinctive drift c) the law of effect d) learned helplessness
Which of the following is NOT one of the three memory processes identified in your text?
a. encoding b. priming c. storage d. retrieval