At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...

1. You are doing some research and have collected some data from a sample of people who were randomly selected from a population in which you are interested. You have ...

If edtech is to help improve education research it will need to kick a bad habit—focusing on whether or not an educational intervention ‘works’. Answering that question through null hypothesis ...

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 ...

False discovery rate (FDR) control has become an essential tool in the analysis of high-dimensional data, where thousands or millions of simultaneous hypotheses are tested. The aim is to limit the ...