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Regression

//ɹiːˈɡɹɛʃ.ən// noun

Noun

1
An action of regressing, a return to a previous state. countable, uncountable
"Few of these groups or communities that are classed as "savage" show no traces of regression from a more advanced cultural stage."
2
returning to a former state wordnet
3
An action of travelling mentally back in time. countable, uncountable
"I have done past life regressions on my own through self-hypnosis techniques that I learned in Brian Weiss's book Many Lives, Many Masters as well as with past life regression tapes."
4
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) wordnet
5
A psychotherapeutic method whereby healing is facilitated by inducing the patient to act out behaviour typical of an earlier developmental stage. countable, uncountable

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6
(psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state wordnet
7
An analytic method to measure the association of one or more independent variables with a dependent variable. countable, uncountable
"A social norm hypothesis [of crime] that focuses on the social meaning of order cannot be tested by a single time frame regression of neighborhood disorder and crime. That is simply asking too much of the data."
8
an abnormal state in which development has stopped prematurely wordnet
9
An equation using specified and associated data for two or more variables such that one variable can be estimated from the remaining variable(s). countable, uncountable
10
The reappearance of a bug in a piece of software that had previously been fixed. countable, uncountable
11
The diminishing of a cellular mass like a tumor, or of an organ size. countable, uncountable
12
The making an exercise less straining to perform by manipulating the details of its performance like loaded weight, range of motion, angle, speed. countable, uncountable

Learned borrowing from Latin regressio. Equivalent to regress + -ion. The statistics sense comes from regression to the mean.

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