Why Should the Validity and Reliability of Study Instruments Be

question 2

Multiple Choice

Why should the validity and reliability of study instruments be assessed while critiquing research reports?

• A) To determine the utility of the instruments for triangulation
• B) To assess the relationships between hypotheses and research questions
• C) To determine whether concepts and variables were measured adequately
• D) To assess whether the concept under study is being treated as a dependent variable or an independent variable

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Definitions:

Firm's Beta

A measurement of a company's stock market risk compared to the market as a whole; it quantifies the volatility or systemic risk of a firm's shares.

Industry Group

A classification of companies that conduct business activities in the same sector or segment of the economy.

Index Model

A statistical model used to predict the returns of assets based on the returns of a benchmark market index and the assets' sensitivities to that index.

Covariances

A measure of how two stocks move together, indicating the degree to which their returns are interdependent.