Question

2 multiple choice 3 points what is the independent variable in the following hypothesis? hypothesis: if i spend more time studying, then my grades in science will improve. playing soft music in the background improvement in grades location for studying science time spent studying

Explanation:

An independent variable is the factor that is intentionally changed or controlled in a hypothesis to observe its effect on another variable. In the given hypothesis, the time spent studying is the variable being adjusted, and it is proposed to affect science grades. The other options are either unrelated or represent the dependent variable (the outcome being measured).

Answer:

D. Time spent studying