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:

    “The law before us, my lords, seems to be the effect of that practice of which it is intended likewise to be the cause, and to be dictated by the liquor of which it so effectually promotes the use; for surely it never before was conceived by any man entrusted with the administration of public affairs, to raise taxes by the destruction of the people.”
    —Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)

    “The reason why women effect so little and are so shallow is because their aims are low, marriage is the prize for which they strive; if foiled in that they rarely rise above disappointment ... [ellipsis in source]”
    —Sarah M. Grimke (1792–1873)

    “Cause and effect are two sides of one fact.”
    —Ralph Waldo Emerson (1803–1882)