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Social Studies, 03.07.2019 13:00 legendman27
In an experiment to see if the comfort of chairs in a classroom makes a difference in how long students will work on math problems, one group was in standard chairs, and one group was in padded, comfortable chairs. what is the dependent variable in this experiment? a. how long students worked on the math problems b. the comfortable chairs c. the difficulty of the math problems d. the standard chairs
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