10 Questions
What type of variable is eye color?
Nominal
Which of the following is an example of a continuous variable?
Temperature in degrees Celsius
What distinguishes an interval level of measurement from an ordinal level?
Difference between values is the same in interval but not in ordinal
What does a discrete variable refer to?
Variable that is countable instead of measurable
Which type of variable requires the presence of zero to be meaningful?
Continuous
How is a quantitative variable measured?
In terms of numbers
Which variable can assume an infinite number of real values within an interval?
Continuous
What feature distinguishes a discrete variable from a continuous variable?
Countable vs infinite real values
In which level of measurement does the presence of zero hold no significance?
Interval
Which type of variable can be visualized as categorical and distributed?
Ordinal
Test your knowledge on non-experimental (correlational) and experimental research designs. Learn about the differences between observing natural occurrences and conducting controlled experiments to gather data.
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