Suppose You Were Trying to Estimate the Reliability of a Whole

question 33

Multiple Choice

Suppose you were trying to estimate the reliability of a whole test on the basis of the correlation between scores on the two halves of the test. In order to correct for using scores based on the halves, you might use the

• A)KR 20.
• B)alpha method.
• C)Spearman-Brown formula.
• D)split half method.

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Definitions:

Decimal Numbers

Numbers expressed in base 10, utilizing digits 0 through 9 for representing quantities.

Bits

The smallest unit of data in computing represented by a binary digit, either 0 or 1, used to encode digital information.

Word

Word refers to Microsoft Word, a widely used word processing software developed by Microsoft, or can simply mean a single distinct meaningful element of speech or writing.

Bit

The smallest unit of data in computing, representing a single binary value of either 0 or 1.