When researchers use parametric tests of significance, they must meet which two assumptions?
A) normal distributions and homogeneity of variance
B) normal distributions and internally valid design
C) heterogeneity of variance and large sample sizes
D) internally valid design and homogeneity of variance
A
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When are long, slow, high-amplitude EEG waves most common?
a. During stage 4 sleep b. During REM sleep c. During stage 1 sleep d. During wakefulness
In the presence of an S- (S?), responding is _______ and, in its absence, ________.
a. extinguished; reinforced b. extinguished, extinguished c. reinforced, extinguished d. reinforced, reinforced
Expert chess players can automatically recognize 50,000 to 100,000 patterns, a level of skill that takes about how long to build up?
a. one year b. two years c. five years d. 10 years
Answer the following statement(s) true (T) or false (F)
The authors suggest that focusing on only the positives or negatives is not good science.