A researcher who is examining the effects of temperature and humidity on the eating behavior of rats uses a factorial experiment comparing three different temperatures (70°, 80°, and 90°) and two humidity conditions (low and high). The experiment has ____ level(s) for the temperature factor and a total of ____ treatment conditions.
A) one; three
B) three; six
C) six; six
D) three; two

Question

Quizplus · Accepted Answer

There are three levels for the temperature factor (70°, 80°, and 90°) and two levels for the humidity factor (low and high), resulting in a total of six treatment conditions (3 x 2 = 6). Therefore, option B is the correct answer.

A Researcher Who Is Examining the Effects of Temperature and Humidity