Using designs with more than two levels of an independent variable allows researchers to
a. compare more than two kinds of treatment in one study
b. compare two or more kinds of treatment with a control group.
c. compare a placebo group to the control and experimental groups.
d. accomplish all of the other alternatives.
d
Psychology
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What type of genes previously functioned normally but now produce abnormal cell duplication?
a. stability genes b. oncogenes c. tumor suppressor genes d. cancer genes
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Sexual contact between a sex therapist and a client is
A) unethical and exploitive. B) recommended for some dysfunctions but certainly not all. C) legal if the therapist is a licensed sex surrogate. D) legal only if the client gives written consent.
Psychology