Effect may refer to:
* A
result
A result (also called upshot) is the final consequence of a sequence of actions or events expressed qualitatively or quantitatively. Possible results include advantage, disadvantage, gain, injury, loss, value and victory. There may be a range ...
or change of something
**
List of effects
** Cause and effect, an idiom describing
causality
Causality (also referred to as causation, or cause and effect) is influence by which one event, process, state, or object (''a'' ''cause'') contributes to the production of another event, process, state, or object (an ''effect'') where the cau ...
Pharmacy and pharmacology
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Drug effect
Efficacy is the ability to perform a task to a satisfactory or expected degree. The word comes from the same roots as ''effectiveness'', and it has often been used synonymously, although in pharmacology a distinction is now often made between ...
, a change resulting from the administration of a drug
**
Therapeutic effect
Therapeutic effect refers to the response(s) after a treatment of any kind, the results of which are judged to be useful or favorable. This is true whether the result was expected, unexpected, or even an unintended consequence. An adverse effect (i ...
, a beneficial change in medical condition, often caused by a drug
**
Adverse effect
An adverse effect is an undesired harmful effect resulting from a medication or other intervention, such as surgery. An adverse effect may be termed a "side effect", when judged to be secondary to a main or therapeutic effect. The term complica ...
or side effect, an unwanted change in medical condition caused by a drug
In media
*
Special effect
Special effects (often abbreviated as SFX, F/X or simply FX) are illusions or visual tricks used in the theatre, film, television, video game, amusement park and simulator industries to simulate the imagined events in a story or virtual wor ...
, an artificial illusion
**
Sound effect, an artificially created or enhanced sound
**
Visual effects
Visual effects (sometimes abbreviated VFX) is the process by which imagery is created or manipulated outside the context of
a live-action shot in filmmaking and video production.
The integration of live-action footage and other live-action foota ...
, artificially created or enhanced images
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Audio signal processing
**
Effects unit
An effects unit or effects pedal is an electronic device that alters the sound of a musical instrument or other audio source through audio signal processing.
Common effects include distortion/overdrive, often used with electric guitar in el ...
, a device used to manipulate electronic sound
***
Effects pedal, a small device attached to an instrument to modify its sound
Other uses
* Effects, one's
personal property
property is property that is movable. In common law systems, personal property may also be called chattels or personalty. In civil law systems, personal property is often called movable property or movables—any property that can be moved fr ...
or belongings
*
Effects (G.I. Joe)
This is an alphabetical list of ''G.I. Joe: A Real American Hero'' characters who are members of the G.I. Joe Team. For Cobra (G.I. Joe), Cobra characters, see ''List of Cobra characters''.
Ace
Agent Faces
Agent Faces is the G.I. Joe Team's ...
, 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
*
Pro-Design Effect, an Austrian paraglider design
See also
*
*
*
Affect (disambiguation)
*
Effectiveness
Effectiveness is the capability of producing a desired result or the ability to produce desired output. When something is deemed effective, it means it has an intended or expected outcome, or produces a deep, vivid impression.
Etymology
The ori ...
*
Efficacy
Efficacy is the ability to perform a task to a satisfactory or expected degree. The word comes from the same roots as ''effectiveness'', and it has often been used synonymously, although in pharmacology a pragmatic clinical trial#Efficacy versu ...
*
Pragmatism, the philosophy of causes and effects
*
Sequence of events
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to co ...
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