When a Method Tests an Argument and Returns a True

question 42

Multiple Choice

When a method tests an argument and returns a true or false value, it should return __________.

• A) a zero for true and a one for false
• B) a boolean value
• C) a zero for false and a non-zero for true
• D) A method should not be used for this.

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Definitions:

Correlation Coefficient

A statistical measure that calculates the strength of the relationship between the relative movements of two variables.

Independent Variable

The variable in an experiment or observational study that is manipulated or changed to observe its effect on a dependent variable.

Dependent Variable

A dependent variable is the outcome or response that researchers measure to determine the effect of varying the independent variable.

Correlation Coefficient

A numerical measure that quantifies the degree and direction of relationship between two variables, ranging from -1 to 1.