Political polls taken before major elections are examples of __________ research
a) correlational
b) experimental
c) case study
d) survey
ANS: D, Surveys are excellent at assessing individuals' attitudes or opinions, such as those of interest before an election.
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In the finger tapping example in the text, we would reject the null hypothesis when
a. the patient tapped too quickly. b. the patient tapped too slowly. c. the patient tapped either very quickly or very slowly. d. We would be unlikely to ever reject the null hypothesis.
The leading cancer cause of death for American males is
a. prostate cancer b. colon and rectal cancer c. lung and bronchial cancer d. pancreatic cancer e. none of these
Which of the following effects is a common outcome of eating hot chili, slamming your finger with a hammer, acupuncture, or the placebo effect?
A) The opening of spinal gates B) The release of endorphins C) The stimulation of adrenal androgens D) Inhibition of gamma aminobutyric acid (GABA)
Felix feels the urge to turn a light switch on and off 12 times before leaving a room. This would be referred to as
a) an irrational belief. b) generalized anxiety. c) an obsession. d) a compulsion.