You understand Type I and Type II errors and how these relate to statistical power. You understand a-priori and post-hoc hyptheses, the difference between them and the strengths and weaknesses in relation to exploratory analysis.
You understand Type I and Type II errors and how these relate to statistical power. You understand a-priori and post-hoc hyptheses, the difference between them and the strengths and weaknesses in relation to exploratory analysis.