joburgett52 joburgett52

Today at 11:30 PM
Physics

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EURGENT PLEASE HELP!!!

Select which of the following are outside influences that can affect a researcher’s ability to control an experiment. attrition statistical models selection bias Hawthorne effect history sample population maturation

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exrainer exrainer

Today at 11:35 PM

well is there a picture to go with this?

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azuldinosour6701 azuldinosour6701

Today at 11:34 PM

selection bias is one of them, i can't tell which words in the options go together though

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