manipulation science

What Is Manipulative Experiments?

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What Is Manipulative Experiments? In a manipulative field experiment, the investigator first alters levels of the predictor variable (or factor), and then measures how one or more variables of interest respond to these alterations. These results are then used to test hypotheses of cause and effect. What is the difference between a manipulative and natural

How Do You Manipulate Variables In An Experiment?

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How Do You Manipulate Variables In An Experiment? Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times. What variables can be manipulated during experiments?