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Author Question: A test has a standard deviation of 4 and a reliability of .91 . What is the standard error of ... (Read 81 times)

rmenurse

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on: Jun 20, 2018
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

Question 2

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


cuttiesgirl16

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Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


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