A Researcher Is Concerned That His Expectations About the Effectiveness

question 99

Multiple Choice

A researcher is concerned that his expectations about the effectiveness of a new drug are influencing the reports of participants in his studies. Specifically, he believes that this new drug is effective and has shared this information with participants in his research. In order to better control the effect of his own expectations on participants, this researcher should

• A)operationally define his independent variable
• B)use the double-blind procedure
• C)operationally define his dependent variable
• D)use random sampling

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Definitions:

Financial Leverage

Employing leveraged capital to enhance the expected returns on an investment.

Operating Leverage

The degree to which a company uses fixed operating costs, whereby a small change in sales significantly affects profitability.

Operating Leverage

A measure of how sensitive a company's operating income is to a change in its sales volume, emphasizing the impact of fixed costs.

EBIT

Earnings Before Interest and Taxes represents a metric for gauging a firm's profit, specifically excluding expenses related to interest and taxes.