Statistic Notes: Regression towards the mean

BMJ 1994; 308 doi: http://dx.doi.org/10.1136/bmj.308.6942.1499 (Published 4 June 1994)
Cite this as: BMJ 1994;308:1499

Get access to this article and all of bmj.com for the next 14 days

Sign up for a 14 day free trial today

Access to the full text of this article requires a subscription or payment. Please log in or subscribe below.

  1. J M Bland,
  2. D G Altman
  1. Department of Public Health Sciences, St George's Hospital Medical School, London SW17 0RE
  2. Medical Statistics Laboratory, Imperial Cancer Research Fund, London WC2A 3PX.

    The statistical term “regression,” from a Latin root meaning “going back,” was first used by Francis Galton in his paper “Regression towards Mediocrity in Hereditary Stature.”1 Galton related the heights of children to the average height of their parents, which he called the mid- parent height (figure). Children and parents had the same mean height of 68.2 inches. The ranges differed, however, because the mid-parent height was an average of two …

    Get access to this article and all of bmj.com for the next 14 days

    Sign up for a 14 day free trial today

    Access to the full text of this article requires a subscription or payment. Please log in or subscribe below.

    Article access

    Article access for 1 day

    Purchase this article for £20 $30 €32*

    The PDF version can be downloaded as your personal record

    * Prices do not include VAT

    THIS WEEK'S POLL