Which type of category is flexible and can change over time?
a. ad hoc categories
b. artifact categories
c. natural categories
d. polymorphous categories
a
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An advantage of searching the Encyclopedia of Ed Stats online rather than searching the paper Digest of Education Statistics is that the online publication
a. includes newer statistics sooner. b. includes a larger number of different statistics and sources. c. includes more ways to search for statistics. d. All of these answers.
Almost any matching question can be
A) ?changed to an essay question. B) ?called discriminatory. C) ?transformed to a multiple-choice item. D) ?dropped from a test without losing validity.
The _______ is greatly affected by extreme scores
a. Mean b. Median c. Mode d. All of the above are greatly affected by extreme scores
In the 1970's, Benjamin Feingold and others posited a theory that linked hyperkinesis to:
a. Sugar intake of children b. Family structures c. Genetics d. Environment e. None of the above