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A golfer wants a new set of clubs to improve her game. In an experiment, she goes to the driving range and compares the distance she hits a bucket of golf balls with drivers of different materials in the head before making her purchase decision. In this simple experiment, the independent variable is the:

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Answer: The type of material used to make the club head.

Explanation:

The independent and dependent variables are the central factors in an experiment. The independent variable is the one that is controlled, as it is modified on purpose to examine the consequences on the dependent variable, which is the one being measured through the scientific experiment.

In this example, the type of material used to make the clubhead is the independent variable and the distance she hits the golf balls is the dependent variable.

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