In an experiment to examine the effects of sleep deprivation on completion of a puzzle, one group is allowed to sleep eight hours while another group is made to stay awake. In this experiment, the independent variable is
A) the performance on the puzzle.
B) the amount of sleep each group was allowed.
C) the people who got eight hours of sleep.
D) the people who stayed awake.
Correct Answer:
Verified
Q2: In the late 20th century,psychology _.
A)expanded dramatically
B)stagnated
C)contracted
Q6: Freud was the founder of _.
A)existential psychology
B)behavioral
Q8: Freud's theories differed radically from the views
Q17: The first psychology laboratory was opened by
A)Wundt
B)James
C)Titchener
D)Watson
Q23: Double-blind studies control for
A)the placebo effect.
B)the experimenter
Q234: Psychology is said to have begun when
A)
Q244: John Watson was the founder of the
Q292: A researcher wants to study the effects
Q297: Dr. Calvin needs just one more participant
Q298: A famous golfer advertises a new golf
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