When an independent variable such as task difficulty has been shown to interact with a second independent variable such as age,the generality (i.e.,ability to generalize the findings)of the effect of the task difficulty variable is
A) complete.
B) unaffected.
C) limited.
D) increased.

Question

Quizplus · Accepted Answer

When an independent variable interacts with another independent variable, it means that the effect of the first independent variable is dependent on the second independent variable. Therefore, the generality of the effect of the task difficulty variable is limited and cannot be generalized to all age groups since the effect is dependent on age.

When an Independent Variable Such as Task Difficulty Has Been