Geoff Cumming receives funding from the Australian Research Council. Such research findings sound exciting because the word significant suggests important and large. But researchers often use the word ...

Many statistical procedures used in educational research are described as requiring that dependent variables follow a normal distribution, implying an interval scale of measurement. Despite the ...

A tolerance interval procedure is derived from the concept of generalized pivotal quantities usually used to obtain confidence intervals in situations where standard procedures do not lead to useful ...