For a normally distributed set of scores with ? = 100 and ?= 20, what is the probability
of a score being between 60 to 140?
a. .3413
b. .5000
c. .6826
d. .9544
D
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What is the primary stimulus that regulates the "biological clock" which controls circadian rhythms?
A) light B) taste C) smell D) touch
The relatively permanent change in behavior as a result of experience is called
a. nature. c. equilibration. b. learning. d. libido.
Two-month old Peter is participating in a visual perception study. Every time Peter kicks his
feet up to a presented face, he hears a tape of his mother saying a nursery rhyme. After a number of repeated trials, the presented face is altered. Peter's kicking response is then measured. This is an example of which of the following research methods? a. Preference technique b. Habituation c. Visual Attention d. Operant conditioning
Juan, a psychologist, is studying participants' perceptions of the attractiveness of several deodorants in a laboratory. However, as he conducts his study, people are cooking their lunches in the cafeteria nearby, and the smells of onions and fish are making their way into the laboratory. Juan should stop his experiment for the day because the odors of the food is most likely a
A. placebo. B. nocebo. C. control variable. D. confounding variable.