It has been determined that 30 percent of a test's total variance is error.What is the test's reliability coefficient?
A) .30
B) .60
C) .70
D) .75

Name: It has been determined that 30 percent of a test's total variance is error.What is the test's reliability coefficient? A) .30 B) .60 C) .70 D) .75
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Question

Quizplus · Accepted Answer

Reliability coefficient = 1 - error variance 
Given that, error variance = 0.3 or 30% 
Hence, reliability coefficient = 1 - 0.3 = 0.7 or 70% (Option C).

It Has Been Determined That 30 Percent of a Test's