Independent and Dependent Variables Samantha, who reads "Dilbert" daily, wonders whether students are more productive when they study in cubicles or in open rooms.She randomly assigns subjects to read chapters of high or low difficulty in cubicle or open room conditions and then measures the number of pages they complete in an hour.What was the environmental variable in Samantha's study?
A)difficulty of reading material
B)number of completed pages
C)reading ability
D)room configuration

Question

Quizplus · Accepted Answer

In Samantha's study, the independent variable is the room configuration (cubicle or open room) and the dependent variable is the number of completed pages. The difficulty of reading material and reading ability are control variables that were manipulated to ensure that they did not affect the results of the study. Therefore, the environmental variable in Samantha's study is D) room configuration.

Independent and Dependent Variables Samantha, Who Reads "Dilbert" Daily, Wonders