If we have enough participants in our study and use a random assignment procedure,then individual characteristics that could possibly affect the results are likely to be roughly balanced in the two groups.

Question

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Random assignment helps to ensure that individual characteristics are evenly distributed between the control and treatment groups, making it less likely that such characteristics will influence the results of the study. With a large enough sample size, these random fluctuations should balance out, improving the internal validity of the study.

If We Have Enough Participants in Our Study and Use