The Usefulness of a Model Is Determined by

question 30

Multiple Choice

The usefulness of a model is determined by

• A) whether it helps to explain or predict real world phenomena.
• B) whether it possesses realistic assumptions.
• C) how well it uses the ceteris paribus assumption.
• D) how many of the possible relationships that exist are included in the model.

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Definitions:

Mean

A type of average calculated by summing values and dividing that sum by the number of values.

Average Scores

The mean value calculated by adding all the scores together and dividing by the number of scores.

Dependent-Samples T-Test

A statistical procedure used to compare the means of two related groups, indicating whether there's a significant difference under the assumption of normally distributed differences.

Research Hypothesis

A specific, testable prediction about the expected outcome of a study, often implying a relationship between variables.