If a test that has reliability r is lengthened by a factor n (n ( 1), the

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If a test that has reliability r is lengthened by a factor n (n ( 1), the reliability R of the new test is given by

If the reliability is r0.6, the equation becomes

(a) Find R(1).
(b) Find R(2); that is, find R when the test length is doubled.
(c) What percent improvement is there in the reliability when the test length is doubled?

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Mathematical Applications for the Management Life and Social Sciences

ISBN: 978-1305108042

11th edition

Authors: Ronald J. Harshbarger, James J. Reynolds

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Question Posted: Feb 09, 2018 04:28 AM

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If a test that has reliability r is lengthened by a factor n (n ( 1), the

Question:

nr R(n) = 0

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a b c Improvement ...View the full answer

Mathematical Applications for the Management Life and Social Sciences

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