Dr Sums Developed a Test of Mathematical Ability

question 34

Multiple Choice

Dr. Sums developed a test of mathematical ability. To measure __________, he split the test in two and compared children's responses on both halves.

• A) inter-rater reliability
• B) test-retest reliability
• C) internal validity
• D) external validity

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Definitions:

Stockholders' Equity

The residual interest in the assets of a corporation after deducting its liabilities, representing ownership interest.

Gross Margin Percentage

A financial metric that measures the proportion of money left over from revenues after accounting for the cost of goods sold, expressed as a percentage.

Gross Margin

The difference between revenue and the cost of goods sold, which indicates the profitability before administrative, sales, and other expenses.

Financial Leverage

A difference between the rate of return on assets and the rate paid to creditors.