Which Statistic Estimates the Average of All the Possible Split-Half

question 45

Multiple Choice

Which statistic estimates the average of all the possible split-half correlations but can only be used when each question has only two response alternatives?

• A)​the Spearman-Brown formula
• B)​the Kuder-Richardson formula 20
• C)Cronbach's alpha
• D)​Cohen's kappa

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Definitions:

Risky Assets

Financial assets that carry a higher degree of risk of loss, such as stocks, compared to less risky assets like government bonds.

Risk-Free Asset

An investment with zero default risk, typically government bonds, providing a basis for comparing with riskier assets.

Beta

A method for appraising the degree of variation, or consistent peril, of a security or investment pool versus the market at large.

Expected Return

The anticipated amount of profit or loss an investment is likely to generate over a given period.