The Kuder-Richardson 21 formula for estimating the score reliability of a classroom achievement test has the disadvantage that
a. it is difficult to compute.
b. it assumes that all test items are of equal difficulty.
c. it is inappropriate for a power test.
d. the resulting reliability coefficient must be adjusted by using another formula.
B
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Aristotle is considered the father of realism. Two other representatives of realism were
a. Plato, Bacon. b. Bacon, Locke. c. Plato, Kant. d. Locke, Kant.
Maggie finds a test that measures reading ability and plans to give it to her students to help her sort them into reading groups. However, when she looks closer at the test, she finds that its focus is really on spelling. This test has ______.
a. low reliability b. high reliability c. low validity d. high validity
The Cornell note-taking system is also known as the split-page system
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
Practitioner-researchers should reflect on intended as well as unintended outcomes of the study for the purpose of planning future professional development.