The change of electrical resistance in a substance as the pressure on it changes.

plural of effect size

(statistics) A measure of the strength or magnitude of the effect of an independent variable on a dependent variable in an experiment or a quasi-experiment.

(meteorology) An effect of large bodies of fresh water on the weather of regions downwind.

(video games, chiefly role-playing games) An effect that modifies a character's status, either positively (e.g. strength increase) or negatively (e.g. poisoning).

The use of an electric field to control the conductivity of a channel in a semiconductor, as in FET.

(chemistry) an experimentally observable effect of the transmission of charge through a chain of atoms in a molecule by electrostatic induction

(genetics, evolutionary theory) A reduction in genetic diversity resulting when a population is descended from a small number of colonising ancestors.

A phenomenon whereby a change in the behavior of a subject being studied is an effect of the change itself or the fact of being observed rather than the nature of the change in question.

(psychology) The effect of the subjectivity of perception on recollection, by which observers of an event are able to produce substantially different but equally plausible accounts of it.