Regression

/rɪˈɡrɛʃən/

Meaning & Definition

noun
A return to a previous, often less advanced or less functional state.
The team is concerned that the new policy will lead to a regression in productivity.
A commonly used statistical method for predicting the value of a dependent variable based on the value of one or more independent variables.
The researcher applied regression analysis to determine the impact of education level on income.
In psychology, a defense mechanism in which an individual reverts to earlier stages of development in response to stress.
After the traumatic event, she displayed signs of regression, such as thumb-sucking and tantrums.

Etymology

Derived from Latin 'regressio', meaning 'a going back'.

Common Phrases and Expressions

regression to the mean
The phenomenon that extreme observations tend to be closer to the average on subsequent measurements.
logistic regression
A statistical method for predicting binary outcomes based on one or more predictor variables.
multiple regression
A statistical technique that uses several variables to predict the outcome of a response variable.

Related Words

regress
To go back to a previous state.
progression
The process of developing or moving gradually towards a more advanced state.
receding
Moving back or further away.

Slang Meanings

Going backward in skills or development.
After he stopped practicing, his progress in math saw some serious regression.
A setback in progress, often used in casual contexts.
Her regression in fitness lately has been discouraging.