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"a science teacher was curious to see whether offering money for good grades would increase student performance on a test. the teacher offered half of the students in the class $5.00 if they got an a on their next test. the other half of the class was not offered any money. what is the independent variable in this experiment?"

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Answer: Independent variable- Money offered

Explanation: Independent variables are those variables that can be controlled for in an observation. In this case, the science teacher was curious to see whether offering money for good grades would increase student performance on a test or not. So, the grades are the dependent variable and the money being offered is the independent variable. As we can control the money we are offering for good grades to check the performance in the test.

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