If you reject H0in a one-factor within-subjects analysis of variance, then you conclude
that the _____ .
a. variances of each treatment condition are equal
b. variances of each treatment condition are not equal
c. treatment means differ only because of sampling error
d. treatment means differ by more than chance alone
D
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What is the function of the enzyme acetylcholinesterase? a. It synthesizes acetylcholine from the diet
b. It increases the sensitivity of the postsynaptic cell to acetylcholine. c. It blocks further release of the transmitter acetylcholine. d. It breaks acetylcholine down into components for recycling.
Caffeine-producing plants are indigenous to __________
a. China b. West Africa c. North America d. South America e. all of these
In Bandura's study on the clinical treatment of snake phobics, it was shown that:
a. there was no reduction of fear in the phobics following their observations of models who were successful in their handling of the snakes b. phobics who were able to successfully handle the snakes had higher physiological arousal c. phobics who were able to successfully handle the snakes had higher efficacy expectations and higher physiological arousal d. phobics who were able to successfully handle the snakes had higher efficacy expectations and reductions in their heart rates and blood pressure
What is the process in which receptors become less sensitive to repeated presentations of the same stimulus?
a) sensation b) habituation c) adaptation d) discrimination