Question

multiple-choice question the independent variable is the manipulated variable responding variable rewatch next question

Explanation:

In experimental design (a concept often studied in fields like Psychology or other Social Sciences, as well as Natural Science experiments), the independent variable is the one that the researcher manipulates or changes to observe its effect on another variable. The "responding variable" is the dependent variable, which depends on the independent variable. So the independent variable is the manipulated variable.

Answer:

A. manipulated variable