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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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tionna98 tionna98
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6 years ago
A researcher has a highly speeded test. The recommended way to estimate the score reliability of this test is to use
 
  a. Cronbach alpha. c. test-retest or equivalent forms.
  b. Kuder-Richardson 21 d. the split-half procedure.

Ques. 2

A test has a standard deviation of 4 and a reliability of .91 . What is the standard error of measurement?
 
  a. 1.20 c. 3.64
  b. 1.82 d. 3.82

Ques. 3

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

Ques. 4

A researcher is constructing a test for use in a study. In order to insure the highest reliability, the researcher should
 
  a. increase the number of items on the test.
  b. plan to increase item homogeneity.
  c. try out the test on a heterogeneous group.
  d. All of these are true.
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cfnewbcfnewb
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6 years ago
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tionna98 Author
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#2
6 years ago
Makes tons more sense now! Vote with confidence people, these are all correct
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#3
6 years ago
Slight Smile Feeling super proud now
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