Let's Assume You Are Conducting an Experiment to Determine the Effect

question 95

Multiple Choice

Let's assume you are conducting an experiment to determine the effect of a new drug on the incidence of epileptic seizures. You select 20 epileptics from the 150 epileptics being treated at a nearby hospital and administer the drug to them. You record the number of seizures in each of the 20 subjects for one month. The new drug is an example of a(n) _________.

• A) dependent variable
• B) constant
• C) statistic
• D) independent variable

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Definitions:

Curve

A graphical representation showing the relationship between two or more variables on a coordinate plane.

Positively Related

A relationship between two variables where an increase in one variable is associated with an increase in the other.

Value

The importance, worth, or usefulness of something, often determined by its desirability and utility.

Up

A direction or trend indicative of progress, increase, or improvement.