To my concern, I think it's very accurate that you've distinguished between the tendencies that can occur during a research project, because there won't always be an improvement when applying a variable. Furthermore, applying post-hoc tests to analyze whether there is normality is essential. I think you gave a very clear and concise summary of statistical tests and the role they play in a research project, due to their certainty and the reduction of biases that we often fail to recognize. It also allows for highly precise and truthful conclusions. I really liked how you addressed a somewhat extensive topic in simple, concise terms. :)