When Working with Interval-Ratio Data, the Optimal Strategy for Predicting

question 37

Multiple Choice

When working with interval-ratio data, the optimal strategy for predicting Y while ignoring X will be to use the________.

• A) mode of the Y scores for every case.
• B) median Y score for every case.
• C) mean Y score for every case.
• D) lowest Y score for every case.

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Definitions:

Observational Study

A study in which the researcher observes and records behavior or outcomes without manipulating variables.

Traditional Experiment

A research methodology involving the manipulation of variables to determine their effect on a particular outcome, usually featuring a control and experimental group.

Control Group

In an experiment, the group that is not exposed to the treatment and is used as a benchmark to measure how the other tested subjects do.

Independent Variable

The variable in an experiment that is manipulated or changed in order to test its effects on a dependent variable.