RESEARCH

What are variables?

• Factors that a researcher measures, controls, and/or manipulates

• Numbers that describe a measurable quantity

• Categories that cannot be ordered

• Values that describe a quality or characteristic

Which type of variable represents categories that cannot be ordered?

• Nominal

• Ordinal

• Interval

• Ratio

Which type of variable represents categories that can be ordered from greatest to smallest?

• Nominal

• Ordinal

• Interval

• Ratio

Which type of variable represents a scale with equal units but has an absolute zero?

• Nominal

• Ordinal

• Interval

• Ratio

Which type of variable represents a scale with equality of units and an absolute zero?

• Nominal

• Ordinal

• Interval

• Ratio

Which type of variable can assume any value between a certain set of real numbers?

• Continuous Variable

• Discrete Variable

• Ordinal Variable

• Nominal Variable

Which type of variable can only assume whole values within the limits of a given variable?

• Continuous Variable

• Discrete Variable

• Ordinal Variable

• Nominal Variable

Which type of variable represents a quality or characteristic of a data unit?

• Continuous Variable

• Discrete Variable

• Ordinal Variable

• Nominal Variable

Which type of variable represents only two categories?

• Dichotomous Variables

• Polychotomous Variables

• Experimental Variables

• Non-Experimental Variables

Which type of variable represents variables that change other variables in a non-experimental study?

• Predictor Variables

• Criterion Variables

• Experimental Variables

• Non-Experimental Variables