Methods for testing experimental hypotheses

How to test the validity of {experimental hypothesis} in {dataset}? Please provide detailed steps and methods, including how to choose appropriate null and alternative hypotheses and how to evaluate the assumptions of statistical tests or methods. Additionally, how to assess the reliability and accuracy of the test or method? How to interpret the output results of the test or method and determine the significance and effect size of the research conclusion? Furthermore, how to consider the impact of experimental design and data collection methods on the test or method?