The variable in an experiment that is known from the start and does not change is called the independent variable.

DIFFERENT RESEARCH DESIGNS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	True
B	False
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Answer: An independent variable is exactly what it sounds like. It is a variable that stands alone and isn’t changed by the other variables you are trying to measure. For example, someone’s age might be an independent variable.

Detailed explanation-2: -The dependent variable is the item that responds to the change of the independent variable. The dependent variable depends/changes when the independent variable is changed.

Detailed explanation-3: -A controlled variable in an experiment is the one that the researcher holds constant or controls. It is also known as a constant or control variable. The controlled variable is not part of an experiment. It is not an independent or dependent variable.

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