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:

    This is the great truth life has to teach us ... that gratification of our individual desires and expression of our personal preferences without consideration for their effect upon others brings in the end nothing but ruin and devastation.
    Hortense Odlum (1892–?)

    At first I intended to become a student of the Senate rules and I did learn much about them, but I soon found that the Senate had but one fixed rule, subject to exceptions of course, which was to the effect that the Senate would do anything it wanted to do whenever it wanted to do it.
    Calvin Coolidge (1872–1933)

    The machine has had a pernicious effect upon virtue, pity, and love, and young men used to machines which induce inertia, and fear, are near impotents.
    Edward Dahlberg (1900–1977)