Question

3 what is the relationship between the dependent and independent variables? a the dependent variable changes in response to the independent variable b the independent variable is measurable if the dependent variable is controlled c the dependent variable is chosen, and the independent variable is discovered during the experiment d the independent variable solves the problem caused by the dependent variable

Explanation:

To determine the relationship between dependent and independent variables, we analyze each option:

• Option A: By definition, the dependent variable (the outcome we measure) changes in response to the independent variable (the factor we manipulate or that naturally varies). This aligns with the core concept of variable relationships in experiments (e.g., in science or research).
• Option B: The independent variable is the one we often manipulate or observe, and its measurability is not dependent on controlling the dependent variable. This statement is incorrect.
• Option C: Typically, the independent variable is chosen or manipulated, and the dependent variable is observed/measured (discovered) as a result. The description here is reversed, so it's incorrect.
• Option D: The independent variable is not "solving a problem" caused by the dependent variable. The dependent variable is the result of changes in the independent variable, so this is incorrect.

Answer:

A. The dependent variable changes in response to the independent variable