Of the following, which is most likely to be an independent variable in a causal-comparative study?
A) Mathematics achievement
B) Time to complete a problem
C) Amount of content learned from instructional materials
D) Type of instructional treatment administered

Question

Quizplus · Accepted Answer

In a causal-comparative study, the independent variable is already established and cannot be manipulated. Therefore, out of the given options, the most likely independent variable would be the type of instructional treatment administered as it cannot be manipulated easily. The other options such as mathematics achievement, time to complete a problem, and amount of content learned from instructional materials can be influenced by many other factors and are not already established.

Of the Following, Which Is Most Likely to Be an Independent