Oh, you don't need too much math, and there are many things to recite in psychological statistics, just some programmed calculations, but pedagogy and psychological statistics are the basis of a large number of psychological courses in the future, so you must learn them well. Remember, education and psychological statistics are teaching you one thing, that is, what to do with what data and what formula. Generally speaking, if you give us a formula of pedagogy and psychostatistics, you can basically know what this formula can do as long as you memorize it, so the difficulty lies in identifying whether this data can be classified into a model we know (this can only be understood). As for why we use this formula to do this in the face of a certain data, this is not what our psychostatistics care about. For example, the difference between psychological statistics and mathematical statistics is like the difference between listening to historical short stories for recreation and carefully reading texts and studying history. So you must have confidence, because it is really not difficult. . .