Exhibit 2-2: Examine the following list of research titles, then determine whether the italicized part of each title is an independent variable, a dependent variable, or a variable but impossible to determine whether independent or dependent.
-Refer to Exhibit 2-2.The effect of teacher approval on students' attentive behavior.
A) an independent variable.
B) a dependent variable.
C) a variable but impossible to determine whether a or b.

Question

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The Answer of Exhibit 2-2: Examine the following list of research titles, then determine whether the italicized part of each title is an independent variable, a dependent variable, or a variable but impossible to determine whether independent or dependent.
-Refer to Exhibit 2-2.The effect of teacher approval on students' attentive behavior.
A) an independent variable.
B) a dependent variable.
C) a variable but impossible to determine whether a or b.

Exhibit 2-2: Examine the Following List of Research Titles, Then