According to the textbook, desirable objects are perceived as closer than neutral objects. In an experiment examining this phenomenon, the perceived distance of the objects is a(n) variable in this study.

independent

Explanation:

An independent variable remains under the control of the experimenter. The variable can be altered according to the desire of the experimenter. Thus the changes that occurred in the independent variable causes the changes in the dependent variable or experimental variable. The experimental variable is the outcome for the purpose of study.

The distance of the object is the independent variable, as this can be changed and will affect the fact that how the object is perceived which is the dependent or the experimental variable.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;

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