Cronbach's coefficient alpha is preferred to the Kuder-Richardson 21 when
a. the items are all of the same level of difficulty.
b. the items are scored right or wrong (dichotomously).
c. the responses may receive a varying number of points.
d. a and c
C
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Varying reading rate to fit purposes and materials is referred to as
a. flexibility of rate. c. compatibility of rate. b. divergence of rate. d. none of the above.
If you wanted to use a computer-based approach to instruction that was consistent with information processing principles and likely to support meaningful learning, which of the following types of programs would you choose?
a. virtual environments b. drill-and-practice c. tutorial d. all of the above
When asking for an interview, you should give attention to
a. speaking at a moderate speed. b. using grammar correctly. c. projecting confidence. d. all of the above e. none of the above
Morphogenesis and morphostasis refers to the extent to which the family:
A. either changes or remains stable over time in response to different variables B. either communicates verbally or communicates nonverbally C. either has a hierarchical structure or has a very equal structure D. either has very open boundaries or very closed boundaries