An improvement.
An improvement to a property that adds to its value.
An analytic method to measure the association of one or more independent variables with a dependent variable.
The reappearance of a bug in a piece of software that had previously been fixed.
An equation using specified and associated data for two or more variables such that one variable can be estimated from the remaining variable(s).
The making an exercise less straining to perform by manipulating the details of its performance like loaded weight, range of motion, angle, speed.
The diminishing of a cellular mass like a tumor, or of an organ size.
A psychotherapeutic method whereby healing is facilitated by inducing the patient to act out behaviour typical of an earlier developmental stage.
An action of travelling mentally back in time.
An action of regressing, a return to a previous state.