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I'm doing a pretest post test study with an experimental group and a control group. I want to compare post test results against pre test

I'm doing a pretest post test study with an experimental group and a control group. I want to compare post test results against pre test in both the experimental group and the control group, and I also want to compare the changes in results for the experimental group against the control group. What statistical analysis test should I use? An independent t-test? Thanks :)

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