The Question of Whether the Independent Variable Was the Sole

question 11

Multiple Choice

The question of whether the independent variable was the sole cause of the change in the dependent variable is the basic issue in:

• A) constancy in conditions.
• B) internal validity.
• C) demand characteristics.
• D) external validity.

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Definitions:

Unknown Variable

A symbol in a mathematical equation or expression that represents a value which is not yet known but is to be found.

Six-figure Accuracy

A level of precision in measurements or calculations that results in an output with six significant figures.

Overline

A line drawn over a symbol or number, often used in mathematics to indicate a repeating decimal or a geometric figure's conjugate.

Denominator

The bottom number in a fraction that shows into how many parts the whole is divided.