The results of a t test for independent means can be misleading when the sample variances are
A) not at all different (e.g., a 1 : 1 ratio).
B) a little different (e.g., a 1.5 : 1 ratio).
C) moderately different (e.g., a 2 : 1 ratio).
D) very different (e.g., a 4:1 ratio).
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Psychology
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Skinner's definition of operant conditioning differs from Thorndike's law of effect in that it views consequences in terms of their effect upon the strength of behavior rather than whether they are _____ or ______.
Fill in the blank(s) with the appropriate word(s).
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In adolescence, growth proceeds in a cephalo-caudal pattern
Indicate whether this statement is true or false.
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