Research on the relationship of sports participation and teenage girls' self-esteem has
a. been inconclusive.
b. shown a negative relationship; nonathletes have stronger self-esteem.
c. shown no relationship of team sports to self-esteem.
d. shown a positive relationship, with athletes having better self-esteem than nonathletes.
D
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You are instructed to subtract 4 points from each score and find the sum of the resulting values. How would this set of instructions be expressed in summation notation?
a. ?X – 4 c. 4 – ?X b. ? (X – 4) d. ?(4 – X)
Wylie (1979) suggested that American adults consider themselves to be more intelligent and more attractive than average. This is an example of:
a) superiority complex. b) inferiority complex. c) false uniqueness effect. d) false attribution effect.
Bone, which consists largely of calcium, begins to lose density and strength at around the age of ____.
A. 30 B. 40 C. 50 D. 60
Dr. Gillis has decided to use __________ in his research to guard against both experimenter bias and participant expectations.
A. confounds B. random selection C. the placebo effect D. the double-blind design