A test consisting of 25 items has a reliability of .80. Approximately how many items of the same type as the original ones must be added to the test in order to increase its reliability to .95?
A) 25
B) 50
C) 75
D) 95

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The Answer of A test consisting of 25 items has a reliability of .80. Approximately how many items of the same type as the original ones must be added to the test in order to increase its reliability to .95?
A) 25
B) 50
C) 75
D) 95

A Test Consisting of 25 Items Has a Reliability of .80