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)

(psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state

an abnormal state in which development has stopped prematurely

returning to a former state

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)