Abby is a gurgling, even-tempered, happy baby. Austin is a fussy, irregular, and irritable baby. These characteristics describe each infant's basic, natural disposition—her or his ____.?
a. ?temperament
b. ?genotype
c. ?goodness of fit
d. ?egocentrism
ANSWER:
a
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The Chi-Square statistic is used to make decisions about __________ variables
a. Quantitative b. Continuous c. Categorical d. Confounded
Operational definitions of concepts are important because they:
a. provide an objective and reliable basis for communication among scientists. b. are equivalent in many respects to conceptual replication schemes. c. allow the scientist to accumulate hard and absolute facts. d. provide a key operation for our data and facts.
Classical conditioning is an example of
A. a reflex. B. a fixed action pattern. C. associative learning. D. non-associative learning.
Dr. Baxter conducts an experiment investigating the effectiveness of a new antacid on reducing stomach pain. He recruits 100 chronic sufferers of acid indigestion, and places them in four groups, each receiving a different amount of medication
The first group receives a sham pill because it contains none of the new antacid whatsoever. He is very surprised, however, when he finds that group one reports a statistically significant reduction in stomach pain after taking their pill. Which of the following best explains why the participants in group one showed a response to the pill, even when it had no active ingredient? a. The subject-expectancy effect b. Demand characteristics c. The placebo effect d. The observer-expectancy effect