Two Researchers Observe Aggressive Behaviors Displayed by Preschool Children

question 19

Multiple Choice

Two researchers observe aggressive behaviors displayed by preschool children. The first researcher records a large number of aggressive acts displayed within a one-hour period. The second researcher also records many aggressive acts during the same period. Since both researchers agree in their observations, it can be inferred that the research has _____ reliability.

• A)test-retest
• B)interrater
• C)item-total
• D)consistency

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Definitions:

Linear Relationship

A direct proportionality between two variables in which the change in one variable is directly proportional to the change in another, represented graphically as a straight line.

Relationship

A connection, association, or interaction between two or more variables, where changes in one variable affect the other(s).

Independent Variables

Refers to the inputs or predictors in a statistical model that are manipulated or selected by the researcher to determine their effect on the dependent variable.

COV

A measure of relative variability computed as the standard deviation divided by the mean; also known as the coefficient of variation.