It may be common knowledge that p < .05 indicates statistical significance. Psychology students (and others) are often taught that p < .05 means the probability (p) of rejecting the null hypothesis ...

Key points The history of statistical significance can be traced to statistician Ronald Fisher in the early 1920s. The concept of statistical significance arose through mere happenstance. Replication ...

Possibility theory and conditional probability offer complementary perspectives for modelling uncertainty, with each framework contributing distinct advantages. Possibility theory, rooted in fuzzy set ...