The Actual Volume for a 4" X 1 1/2" Square

question 20

Multiple Choice

The actual volume for a 4" x 1 1/2" square box with a 21 cubic inch volume with a single gang 4" x 3/4" raised plaster ring with a marked volume of 4.5 cubic inches attached to it is:

• A) 18 cubic inches
• B) 21 cubic inches
• C) 25.5 cubic inches
• D) 30.5 cubic inches

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Definitions:

Discriminant Validity

The extent to which a construct is truly distinct from other constructs by correlating weakly with variables from which it is supposed to differ.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Cohen's Kappa

A statistical measure used to evaluate interrater reliability for qualitative (categorical) items, indicating how much agreement is beyond what is expected by chance.

Interrater Reliability

The degree of agreement or consistency among different raters or observers assessing the same phenomenon.