If one group of students performs better on an assessment instrument than another group for reasons unrelated to the characteristic being measured, then the instrument:
a. Probably has low reliability
b. Is obviously not standardized
c. Clearly has low predictive validity
d. Might be culturally biased
D
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The process by which preschool children learn words at the rapid rate of 10 to 20 new words per day is called:
a. Fast mapping b. Accelerated language reception c. Scaffolding d. Guided participation
Successful implementation depends on
a. developing and maintaining the will and the capacity of the implementers. b. obtaining a great deal of grant money from the government. c. strict enforcement of every aspect of the new policy. d. midgetizing the new policy.
Which is an example of a high-need area?
a. social studies b. English c. math d. middle childhood
Dr. Johnson conducted a research study in which he investigated the effect of three different methods of teaching mathematics to three different classes of fifth grade students. However, one of the classes had smarter students than the other two and as a result this class demonstrated the most improvement in their mathematics scores. In spite of this problem, he concluded that the method used to teach mathematics to this class of students was the most effective. In this experiment, the intellectual ability of the students in the various classes was:
a. A confounding extraneous variable b. An extraneous variable that did not confound the results c. An independent variable d. A dependent variable