In a t-test for dependent means, the research hypothesis could look like this:

a. H_0 ??_pretest=?_posttest
b. H_0 ??_pretest>?_posttest
c. H_1 ?X ?_posttest?X ?_pretest
d. H_1 ?X ?_pretest?X ?_pretest


Ans: c

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Fill in the blank with correct word.

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Which of the following is NOT true about trials to criterion?

A. Used to obtain an idea of how quickly the individual acquires a skill B. Requires the same number of opportunities be available during each session C. Refers to measuring the number of responses needed by the individual to achieve some preset level of acceptable performance D. Useful in determining which type of instruction affected the criterion performance in the fewest number of trials

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The definition of learning based on constructivism emphasizes which of the following

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