A "good" theory must be capable of generating accurate predictions of behavior. This statement refers to the theory's:
a. heuristic value.
b. testability.
c. empirical validity.
d. applied value.
c
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The technique used to teach animals complex tricks, such as teaching pigeons to play ping-pong, is
a. respondent conditioning. b. continuous reinforcement. c. programming. d. shaping.
Friedman's rank test for k-related samples is to Wilcoxon's matched-pairs signed ranks test as a repeated-measures ANOVA is to a paired samples t-test
Indicate whether the statement is true or false
At 12-16 months of age, infants no longer prefer the ______ of infant-directed speech.
A. long pauses B. simplified syntax C. high pitch D. pitch variability
What is pooled variance?
a. The weighted average of the two sample variances. b. The variance of the difference between the sample means. c. The sum of the two sample variances. d. The variance of the populations from which the samples were drawn.