The hypothesis that the population mean is the same as the sample mean is called the:
a. research hypothesis.
b. null hypothesis.
c. alternative hypothesis.
d. inferential hypothesis.
B
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According to evolutionary theory, women increase their chances for reproduction by being:
A. controlling B. dominant C. caring D. aggressive
According to Aristotle, the ____kept an object moving or developing in its prescribed direction until its full potential was reached.
a. entelechy b. instincts c. form of the good d. rational mind
On the MMPI-2, which scale attempts to measure malingering?
A. L Scale B. F Scale C. M Scale D. Fb Scale
Sonja conducts an experiment to determine whether listening to music affects emotional state
She has children wait alone in a room that either did or did not have music playing and then has them complete a questionnaire asking about their current level of happiness. The independent variable in this study is a. how happy they were before the study began. b. being alone in the room while waiting. c. whether or not music was playing in the room. d. their level of happiness as rated on the questionnaire.