An error in research reflecting the prospect that people who offer to participate in research studies differ systematically from people who do not is known as__________
A) volunteer bias
B) random sampling
C) the correlation coefficient
D) an independent variable
E) Select
A
Psychology
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Much "gangsta" rap is criticized for
a. sexual exploitation of women. b. racism. c. violence. d. all of these answers are correct
Psychology
Differentiation of cells begins
a. during the period of the embryo. c. during the period of the zygote. b. during the period of the fetus. d. at birth.
Psychology