A researcher would like to know whether his new dog training program is effective. He tests a group of dogs before they start the program, and then again afterwards. What research design has he used?

a. one-group pretest-posttest design
b. pretest-posttest control group design
c. posttest only control group design
d. nonequivalent control group design

a

Psychology

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Gilda is now feeling sexual desire. Which hormone caused these changes?

A) testosterone B) estrogens C) the pituitary hormone D) the hypothalamic hormone

Psychology

Huntington's disease is the most common example of a

A) genetic disorder that is governed by a dominant allele. B) disorder caused by a sex-linked chromosome abnormality. C) genetic disorder governed by a recessive gene. D) chromosome abnormality causing mental retardation.

Psychology