Which Example Below Is Not a Random Assignment to Experimental

question 77

Multiple Choice

Which example below is not a random assignment to experimental groups?

• A) assign numbers to subjects, put corresponding numbers in a hat and pull out numbers, place the first subject in the experimental group and the second subject in the control group and continue until all numbers are used
• B) ask subjects whether they prefer to be in the experimental group or the control group then assign subjects based on their preference
• C) flip a coin assigning subjects getting a head to the control group and those getting a tail to the experimental group
• D) use a random number generator after assigning numbers to your subjects

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Definitions:

Marginal Decision Rule

A principle stating that an action should be taken if, and only if, the marginal benefit exceeds the marginal cost.

Profit-Maximizing

The strategy or procedure for altering sales and production to attain the greatest possible earnings.

Market Price

The amount of money for which a good or service is offered, sold, or bought in the market.

Perfectly Competitive

A market structure characterized by many sellers and buyers, homogeneous products, and free entry and exit, leading to price takers.