You are conducting an experiment to determine if listening to music improves learning. If the average test score of the experimental group is higher than the average of the control group, then we can conclude that
a. extraneous variables were not controlled.
b. the two groups were not randomly assigned.
c. listening to music improved learning.
d. listening to music does not improve learning.
ANSWER: c
Psychology
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David Hubel and Torsten Wiesel won a Nobel Prize for their studies of receptive fields of cells in the visual cortex
a. true b. false
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Nine-year-old Timmy only wants to play with other boys because he thinks that girls are "gross." Which of the psychosexual stages is Timmy probably experiencing?
A) anal B) latency C) genital D) phallic
Psychology