Effect

Effect may refer to:

  • A result or change of something
    • List of effects
    • Cause and effect, an idiom describing causality

In pharmacy and pharmacology:

  • Drug effect, a change resulting from the administration of a drug
    • Therapeutic effect, a beneficial change in medical condition, often caused by a drug
    • Adverse effect or side effect, an unwanted change in medical condition caused by a drug
  • Dose-response effect, the relationship between a drug dose and its effect, plotted on a dose-response curve

In media:

  • Special effect, an artificial illusion
    • Sound effect, an artificially created or enhanced sound
    • Visual effects, artificially created or enhanced images
  • Audio signal processing
    • Effects unit, a device used to manipulate electronic sound
      • Effects pedal, a small device attached to an instrument to modify its sound

Miscellaneous:

  • Effects, one's personal property or belongings
  • Effects (G.I. Joe), a fictional character in the G.I. Joe universe
  • Effects (film), a 2005 film
  • Effect size, a measure of the strength of a relationship between two variables
  • Effect system, formal system which describes the computational effects of computer programs

Amendments to the constitution of the United States: (Bill of Rights) Amendment IV "The right of the people to be secure in their persons, house, papers, and effects...

Famous quotes containing the word effect:

    “Worldly faces never look so worldly as at a funeral. They have the same effect of grating incongruity as the sound of a coarse voice breaking the solemn silence of night.”
    —George Eliot [Mary Ann (or Marian)

    “What has been the effect of [religious] coercion? To make one half the world fools, and the other half hypocrites. To support roguery and error all over the earth.”
    —Thomas Jefferson (1743–1826)

    “Movies are one of the bad habits that corrupted our century. Of their many sins, I offer as the worst their effect on the intellectual side of the nation. It is chiefly from that viewpoint I write of them—as an eruption of trash that has lamed the American mind and retarded Americans from becoming a cultured people.”
    —Ben Hecht (1893–1964)