Why Is It Important to Make Sure That Different Participant

question 128

Multiple Choice

Why is it important to make sure that different participant groups are roughly equivalent in terms of personal characteristics (e.g. ,age,gender) before any independent variable is introduced?

• A)It is important to treat all research participants equally so that they feel that they are not being manipulated.
• B)Research ethics forbid any experiment to take place when the participant groups are fundamentally different from each other.
• C)It is important so that no major differences between the groups inadvertently bias the results of the experiment.
• D)Research ethics required all participants in a sample to have the same personal characteristics.

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Definitions:

Alpha

A measure of the active return on an investment, indicating how much a portfolio has outperformed or underperformed relative to a benchmark index.

Beta

An indicator of an investment's relative risk compared to the market, highlighting its sensitivity to market movements.

Systematic Risk

The risk of a portfolio associated with market movements that cannot be eliminated through diversification.

Expected Return

This is the anticipated value or profit that an investment will generate over a certain period, factoring in the probabilities of various outcomes.