Research Participants Are Randomly Assigned to Different Groups in an Experiment

question 53

Multiple Choice

Research participants are randomly assigned to different groups in an experiment in order to

• A) minimize chances that participants in any group know each other.
• B) increase chances that participants are representative of people in general.
• C) minimize any differences between groups of participants.
• D) increase chances that the different groups have the same number of participants.

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Definitions:

Compounded Semiannually

Interest calculation method where interest is added to the principal sum twice a year, leading to interest on interest.

Strip Bond

A type of bond where both the principal and regular coupon payments have been separated and are sold individually.

Compounded Quarterly

A method where interest is calculated and added to the principal every three months.

Average Annual Rate

An average percentage that represents the compounded annual growth rate of an investment over a specified time frame.