In research, extraneous variables are problematic because they threaten a study's

a. internal validity.
b. external validity.
c. reliability.
d. potential for making a profit.

a

Psychology

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Although generally not approved by Institutional Review Boards, a __________ parental

consent or permission strategy can dramatically increase one's sample size of children. Fill in the blanks with correct word

Psychology

The Chinese Psychiatric Association removed homosexuality from its list of mental disorders in the year ____

a. 1981 c. 2001 b. 1995 d. 2010

Psychology