regression toward the mean

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Noun

regression toward the mean - the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)

simple regression, statistical regression, regression

statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters

statistical method, statistical procedure - a method of analyzing or representing statistical data; a procedure for calculating a statistic

regression analysis - the use of regression to make quantitative predictions of one variable from the values of another

linear regression, rectilinear regression - the relation between variables when the regression equation is linear: e.g., y = ax + b

curvilinear regression - the relation between variables when the regression equation is nonlinear (quadratic or higher order)

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References in periodicals archive ?

Indeed, if every work in a career is like a random lottery draw, then one's next work after a hit may be more mediocre than spectacular, reflecting regression toward the mean.

Career hot streaks can happen at any age

To estimate stability of blood eosinophil and neutrophil counts in the same person with self-reported asthma over 10 years, we calculated regression toward the mean for both counts based on tertiles determined at the first examination for 260 individuals that each were remeasured 10 years later (Fig.

Association of Blood Eosinophil and Blood Neutrophil Counts with Asthma Exacerbations in the Copenhagen General Population Study

Study limitations include potential lack of generalizability to clinical settings and reliance on self-reported sexual practices, according to the investigators; also, the results may have been influenced by treatment adherence, and the trend toward safer behaviors may have reflected regression toward the mean or greater loss to follow-up of participants having risk behaviors.

Prophylactic treatment for HIV does not lead to risky sexual behavior

To control for regression toward the mean, we also included an untreated control group of 18 participants.

A comparison of two nasal irrigation solutions with no treatment in chronic sinusitis sufferers

One of the tenets of recent baseball analytical scholarship is the significance of regression toward the mean. Over time, teams will revert toward .500 unless otherwise acted upon.

Financial Losses and Innovations: How Baseball Came through the Depression

The danger rests in its unreliability, whether due to a lack of random assignment (despite idiosyncrasies in admissions processes, students are not randomly assigned to attend different institutions), ceiling effect, or regression toward the mean from the pre- to the post-test (Ternezini, 2010), never mind the question of student motivation on performance measures devoid of context or connection to their courses or other educational experiences.