It takes the average reader 8 hours and 21 minutes to read Theory of Mental Tests by Harold Gulliksen
Assuming a reading speed of 250 words per minute. Learn more
This classic volume outlines, for both students and professionals, the mathematical theories and equations that are necessary for evaluating a test and for quantifying its characteristics. The author utilizes formulas that evaluate both the reliability and the validity of tests. He also provides the means for evaluating the reliability and validity of total test scores and individual item analysis. The work remains one of the only books on classical test theory to discuss applications, "true score" theory, the effect of test length on reliability and validity, and the effects of univariate and multivariate selection on validity.
Theory of Mental Tests by Harold Gulliksen is 494 pages long, and a total of 125,476 words.
This makes it 167% the length of the average book. It also has 153% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 11 hours and 25 minutes to read Theory of Mental Tests aloud.
Theory of Mental Tests is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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