Read the following hypothesis: Middle school students in an urban school who are trained in discussion techniques perform better on written tests of persuasive essays than those students who are not trained in discussion techniques. The independent variable in the stated hypothesis is:
A) urban school.
B) training in discussion techniques.
C) persuasive essay tests.
D) middle school students.

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated or changed in the experiment. In this hypothesis, the independent variable is the training in discussion techniques. The other options (urban school, persuasive essay tests, and middle school students) are not being manipulated; they are either the location of the experiment or the dependent variable being measured.

Read the Following Hypothesis: Middle School Students in an Urban