Random Assignment Allows Researchers to

question 47

Multiple Choice

Random assignment allows researchers to

• A) ignore problems of measurement biases in self-report personality assessments.
• B) assume that groups of participants are more or less equivalent on preexisting conditions.
• C) ignore ethical constraints on research that may otherwise limit their ability to conduct research.
• D) control for the selective attrition of participants who have dropped out of the study.

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Definitions:

Supply Curve

A graph showing the relationship between the price of a good and the quantity of the good that suppliers are willing to offer for sale.

Constant Cost Industry

An industry in which the input prices and the costs of production do not change as the industry's output changes.

Downward Sloping

Describes a curve or line on a graph that shows a decrease in one variable as another variable increases, typical of demand curves in economics.

Aluminum Cans

Containers made from aluminum used for packaging beverages and food items.