OMbook_glossary

Well this is either very simple or very complicated. I am a believer in...

One of three different "seven number" summaries of the distribution of a set of scores....

From the hugely influential monograph: Cochrane, A. L. (1972). Effectiveness and efficiency. Random reflections on...

This exists, I hope very temporarily, to explore an issue I am having with BetterDocs...

I am putting this here because I know I won't remember it but I think...

I am putting this here because I know I won't remember it but I think...

An interesting extension of the double blind methodology. In double blind trials the participants...

I think we should really say "test-retest effect" and I often put scare quotes around...

Exactly what it says! Some sort of experiment, i.e. an intervention with observed consequences, is...

This is one of the fundamental ways of exploring the reliability of a measure. ...

This is really just amusement but largely switching the way I use R from "base/standard...

I probably last saw this in the last century but I'll put it in anyway! Details Essentially...

Technically this could be any transforming of a variable or multiple variables so it could...

Term much used in the UK (and elsewhere?) to denote charities and charity funded work....

Things some people wear round their necks. Hm, no, not those. This refers...

There are a number of situations in which we might want to test the fit...

Type II error is the complement of type I error (q.v.) in the NHST (Null...

This is a key part of the NHST (Null Hypothesis Significance Testing) paradigm, see null...