Random Assignment to Groups in Experiments Is a Powerful Technique

question 163

Essay

Random assignment to groups in experiments is a powerful technique psychologists use in an attempt to minimize potential confounding variables,as well as other factors that might influence the outcome of their studies.Explain how random assignment is used to achieve this goal.

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Definitions:

Investment Company

A corporation or trust engaged in the business of investing the pooled capital of investors in financial securities.

Bond Certificate

A legal document that indicates the name of the issuer, the face value of the bonds, the contractual interest rate, and maturity date of the bonds.

Conversion Feature

An option in some financial instruments, such as bonds, that allows the holder to convert the instrument into other securities, typically shares of the issuing company, under specified conditions.

Common Stock

A type of equity security that represents ownership in a corporation, granting holders voting rights and a share in the company's profits via dividends.