Question

The variable that a scientist changes when conducting an experiment is called the _____variable.

Answer 1

He variable that a scientist changes when conducting an experiment is called the manipulated variable

Answer 2

Answer: The correct answer is option (a).

Explanation:

Dependent variables are the variables whose value depend on another variable. Its value changes as the independent variable changes.

Independent variables are the variables which do not depend on any other variable beside . Its value does not change with a change in other dependent  variables.

While conducting experiment scientist changes dependent variable in order to record observations.