One of the ways to reduce the filtering of information based on the researcher's bias in setting up the criteria for review is to include only studies that used a randomized control trial in the experimental design.

Question

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Including only studies that used a randomized control trial in the experimental design helps to reduce researcher bias as the study's participants are randomly assigned to different groups, reducing the likelihood of pre-existing differences between groups that may influence study outcomes.

One of the Ways to Reduce the Filtering of Information