Mary gives the same test to Drew on two different occasions and he scores the same both times. Mary then gives the test to Annie twice, and she also scores the same. Mary can assume with some confidence that this instrument has achieved ______.
A. reliability
B. predictability
C. accuracy
D. validity
A. reliability
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A child care provider for toddlers has a small sum of money to purchase books for the children. Which of the following would be the best investment for children of this age?
a. Board books b. Poetry collections c. Easy readers d. Fairy tales
Test A and Test B each have the same value for their standard deviations, 8.0 . The reliability coefficients of the two tests are .75 and .90, respectively. Which, if any, of the two tests has the smaller standard error of measurement (SEM)?
a. Test A b. Test B c. Both would have the same SEM.
Making hand-drawn visuals and using computer software to recreate them with more complex graphics and animation is a way to improve ______ thinking.
What will be an ideal response?
Analyze the strengths and weaknesses of mixed research.
What will be an ideal response?