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:

    “Whenever any form of government shall become destructive of these ends, it is the right of the people to alter or to abolish it, & to institute new government, laying it’s foundation on such principles & organising it’s powers in such form, as to them shall seem most likely to effect their safety & happiness.”
    —Thomas Jefferson (1743–1826)

    “Let’s take the instant by the forward top;
    For we are old, and on our quick’st decrees
    Th’ inaudible and noiseless foot of time
    Steals ere we can effect them.”
    —William Shakespeare (1564–1616)

    “Ignorant kindness may have the effect of cruelty; but to be angry with it as if it were direct cruelty would be an ignorant unkindness.”
    —George Eliot [Mary Ann (or Marian)