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

Question

Quizplus · Accepted Answer

The new drug is the variable that is being manipulated in the experiment, therefore it is the independent variable. The dependent variable would be the number of seizures recorded in each subject. A constant refers to a value that remains the same throughout the experiment, and a statistic is a numerical summary of a sample from a larger population.

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