List of effects

This is a list of names for observable phenomena that contain the word effect, amplified by reference(s) to their respective fields of study.

A

• Accelerator effect (economics)
• Accordion effect (physics) (waves)
• Acousto-optic effect (nonlinear optics) (waves)
• Additive genetic effects (genetics)
• Aharonov–Bohm effect (quantum mechanics)
• Alienation effect (acting techniques) (Bertolt Brecht theories and techniques) (film theory) (metafictional techniques) (theatre)
• Allais effect (fringe physics)
• Allee effect (biology)
• Ambiguity effect (cognitive biases)
• Anrep effect (cardiology) (medicine)
• Antenna effect (digital electronics) (electronic design automation)
• Anti-greenhouse effect (atmospheric dynamics) (atmospheric science) (astronomy) (planetary atmospheres)
• Askaryan effect (particle physics)
• Asymmetric blade effect
• Audience effect (psychology) (social psychology)
• Auger effect (atomic physics) (foundational quantum physics)
• Aureole effect (atmospheric optical phenomena) (scientific terminology)
• Autler–Townes effect (atomic, molecular, and optical physics) (atomic physics) (quantum optics)
• Autokinetic effect (vision)
• Avalanche effect (cryptography)
• Averch–Johnson effect (economics)

B

• Balassa–Samuelson effect (economics)
• Baldwin effect (evolutionary biology) (selection)
• Balloon-carried light effect (balloons) (culture) (entertainment)
• Bambi effect (hunting) (psychology stubs)
• Bandwagon effect (cognitive biases) (crowd psychology) (economics effects) (metaphors) (propaganda techniques)
• Bank effect (marine propulsion) (nautical terms) (water)
• Barkhausen effect (condensed matter) (magnetism)
• Barnett effect (condensed matter) (magnetism)
• Baskerville effect (cardiology)
• Bauschinger effect (classical mechanics) (materials science)
• Beaujolais effect (Ada programming language)
• Ben Franklin effect (emotion) (psychology)
• Bernoulli effect (equations) (fluid dynamics) (wind power)
• Beta-silicon effect (physical organic chemistry)
• Bezold effect (optical illusions) (psychological theories)
• Bezold–Brücke effect (optical illusions)
• Biefeld–Brown effect (physical phenomena) (propulsion)
• Big-fish–little-pond effect (educational psychology)( (pedagogy)
• Birthday number effect (psychology)
• Black drop effect (astronomical transits)
• Blazhko effect (astronomy)
• Blocking effect (psychology)
• Bloom (shader effect) (3D computer graphics) (demo effects)
• Bohr effect (protein)
• Boomerang effect (psychology) (social psychology) (psychology)
• Bowditch effect (medicine)
• Bradley effect (American political terms) (elections in the United States) (political history of the United States) (political neologisms) (politics and race) (polling) (psephology) (racism)
• Bridgman effect (electricity) (electromagnetism)
• Brookings effect (atmospheric science) (Curry County, Oregon) (Oregon coast) (Oregon geography) (winds)
• Brown Willy effect (geography of Cornwall) (mesoscale meteorology)
• Bruce effect (reproduction)
• Bullwhip effect (distribution, retailing, and wholesaling)
• Butterfly effect (chaos theory) (physical phenomena) (stability theory)
• Bystander effect

C

• Cage effect (chemistry)
• Calendar effect (behavioral finance) (economics and finance) (market trends)
• Callendar effect (atmospheric science) (climate) (climate change)
• Captodative effect (organic chemistry)
• Capture effect (broadcast engineering) (radio) (radio communications/) (telecommunications) (wireless communications)
• Carnoustie effect (golf) (golf terminology)
• Carryover effect (cooking techniques) (food and drink)
• Cascade effect (ecology)
• Cascade effect (spaceflight)
• Casimir effect (quantum field theory) (physical phenomena)
• Castle thunder (sound effect) (in-jokes) (sound effects)
• Catapult effect (electromagnetism)
• Catch-up effect (economics effects)
• Catfish effect (human resource management) (management) (organizational studies and human resource management) (social psychology)
• Cause and effect
• Ceiling effect (medical treatment) (statistics)
• Channel capture effect (ethernet) (network topology)
• Cheerio effect (fluid mechanics) (physics)
• Cherenkov effect (experimental particle physics) (fundamental physics concepts) (particle physics) (special relativity)
• Chilling effect (law) (censorship) (freedom of expression) (American legal terms)
• Chorus effect (audio effects) (audio engineering) (effects units) (sound recording)
• Christiansen effect (optical filters)
• Christofilos effect (particle physics)
• Cinderella effect (child abuse)
• Clientele effect (economics) (finance)
• Cluster effect (economics effects)
• CNN effect (civil–military relations) (CNN) (news media) (warfare of the modern era)
• Coandă effect (aerodynamics) (boundary layers) (physical phenomena)
• Coattail effect (political terms)
• Cocktail party effect (acoustical signal processing) (attention)
• Cohort effect
• Common-ion effect (ions) (physical chemistry)
• Compton effect (astrophysics) (atomic physics) (foundational quantum physics) (observational astronomy) (quantum electrodynamics) (X-rays)
• Contrast effect (cognition) (cognitive biases) (perception) (vision)
• Coolidge effect (jokes) (sexual attraction)
• Coriolis effect (atmospheric dynamics) (classical mechanics) (force) (physical phenomena) (urban legends)
• Cotton effect (atomic, molecular, and optical physics) (polarization)
• Cotton–Mouton effect (magnetism) (optics)
• Crabtree effect (biochemistry)
• Cross-race effect (face recognition)
• CSI effect (criminal law) (criminology) (CSI television series) (psychology) (television terminology)
• Cytopathic effect (microbiology terms)

D

• De Haas–van Alphen effect (condensed matter) (magnetism) (quantum physics)
• (de Sitter effect: see) Geodetic effect (general relativity)
• Debye–Falkenhagen effect
• Decoy effect (consumer behavior) (decision theory) (economic theories) (finance theory) (marketing)
• Delay (audio effect) (audio effects) (effcts units) (musical techniques)
• Dellinger effect (radio communications)
• Dember effect (electrical phenomena) (physics)
• Demo effect (demoscene)
• Demonstration effect (human behavior) (sociological terms)
• Denomination effect (behavioral economics)
• Diderot effect (anthropology) (consumer behaviour)
• Ding Hai effect (economy of Hong Kong) (Hong Kong culture)
• Direct effect (European Union law)
• Disposal tax effect (economics and finance) (finance) (taxation)
• Disposition effect (economics and finance)
• Dole effect (climatology) (oxygen) (paleoclimatology) (photosynthesis)
• Domino effect (physic) (politics)
• Doppler effect (Doppler effects) (radio frequency propagation) (wave mechanics)
• Downing effect (psychology)
• Droste effect (artistic techniques)
• Dunning–Kruger effect (personality) (social psychology)

E

• Early effect (transistors)
• Eberhard effect (science of photography)
• Edge effect (ecological succession) (ecology)
• Edison effect (atomic physics) (electricity) (Thomas Edison) (vacuum tubes)
• Efimov effect (physics)
• Einstein effect (disambiguation), several different effects in physics
• Einstein–de Haas effect (science)
• Electro-optic effect (nonlinear optics)
• Electrocaloric effect (cooling technology) (heat pumps)
• Electron-cloud effect (particle accelerators) (physics)
• ELIZA effect (artificial intelligence) (human-computer interaction) (propositional fallacies)
• Embedding effect (environmental economics)
• Emerson effect (photosynthesis)
• Endowment effect (behavioral finance) (cognitive biases) (psychological theories)
• Enhanced Permeability and Retention effect (medicine)
• Eötvös effect (geodesy) (topography)
• Epps effect (econometrics) (statistical terminology) (statistics)
• Espresso crema effect (earth phenomena) (geology)
• Ettinghausen effect (condensed matter) (electrodynamics) (thermodynamics)
• Evershed effect (physics) (solar phenomena)
• Exciter (effect) (audio effects) (effects units)

F

• Fahraeus–Lindquist effect (blood) (fluid dynamics) (molecular and cellular biology)
• False consensus effect (cognitive biases) (futurology) (group processes) (psychological theories) (sustainability)
• Faraday effect (magnetism) (optics)
• Ferroelectric effect (condensed matter physics) (electrical phenomena)
• Fink effect (anesthesia) (diffusion)
• Flaming sword (effect) (fire arts) (special effects)
• Floating body effect (electronics) (semiconductors)
• Floodgate effect (social phenomena) (sociology)
• Floor effect (statistics)
• Florence Nightingale effect (Florence Nightingale) (love) (psychology)
• Flutie effect (student sport)
• Flynn effect (futurology) (intelligence) (psychological theories) (psychometrics) (race and intelligence controversy)
• Focusing effect (cognitive biases)
• Forbush effect (cosmic rays) (solar phenomena)
• Forer effect (cognitive biases) (history of astrology) (psychological theories)
• Founder effect (ecology) (population genetics)
• Fractional quantum Hall effect (physics)
• Franssen effect (acoustics) (sound perception)
• Franz–Keldysh effect (condensed matter) (electronic engineering) (electronics) (optics) (optoelectronics)
• Free surface effect (fluid mechanics)
• Front projection effect (film production)
• Fujiwhara effect (tropical cyclone meteorology) (vortices)
• Full screen effect (computer graphics) (demo effects)

G

• Garshelis effect (electric and magnetic fields in matter) (magnetism) (physics)
• Gauche effect (stereochemistry)
• Generation effect (cognitive biases) (memory biases) (psychological theories)
• Geodetic effect (general relativity)
• Gerschenkron effect (economic development) (economic systems) (economics and finance) (econometrics) (index numbers) (national accounts)r
• Giant magnetoresistive effect (condensed matter physics) (electric and magnetic fields in matter) (quantum electronics) (spintronics)
• Gibbons–Hawking effect (general relativity)
• Gibbs–Donnan effect (biology) (physics)
• Gibbs–Thomson effect (petrology) (thermodynamics)
• Glass house effect (culture) (surveillance)
• Glasser effect (physics)
• Goos–Hänchen effect (optical phenomena)
• Great Salt Lake effect (natural history of Utah)
• Green-beard effect (evolution) (evolutionary biology) (game theory) (selection)
• Greenhouse effect (atmosphere) (atmospheric radiation) (climate change feedbacks and causes) (climate forcing)
• Ground effect (aircraft) (aerodynamics)
• Ground effect (cars) (aerodynamics) (motorsport terminology)
• Gull effect (diodes) (microwave technology) (physics) (terahertz technology)

H

• Haas effect (audio engineering) (sound) (speakers)
• Haldane effect (hematology) (hemoproteins) (protein)
• Hall effect (condensed matter physics) (electric and magnetic fields in matter)
• Hall of mirrors effect (computer graphic artifacts) (Doom) (id software) (video game glitches)
• Halo effect (cognitive biases) (educational psychology) (logical fallacies) (social psychology)
• Hanbury Brown and Twiss effect (quantum optics)
• Harem effect (harem) (human sexuality) (sex) (sexual orientation and identity) (sexual orientation and society)
• Hawthorne effect (educational psychology) (psychological theories) (social phenomena)
• Health effect (health) (health effectors) (pollution)
• Holtzman effect (Dune technology) (physics in fiction)
• Horizon effect (artificial intelligence) (game artificial intelligence)
• Hostile media effect (cognitive biases) (criticism of journalism) (journalism standards) (psychological theories)
• Hot chocolate effect (acoustics) (physics) (wave mechanics)
• Hundredth monkey effect (behavioral science) (New Age) (urban legends)
• Hydrophobic effect (chemical bonding) (supramolecular chemistry)
• Hyperchromic effect (biochemistry)
• Hypersonic effect (acoustics) (hearing) (psychology) (ultrasound)

I

• Ideomotor effect
• Imbert–Fedorov effect (optical phenomena)
• In-camera effect (filming) (special effects)
• Incidental effect (European Union law)
• Indirect effect (European Union law)
• Inductive effect (chemical bonding)
• Inert pair effect (atomic physics) (inorganic chemistry) (quantum chemistry)
• inertial supercharging effect (automobile) (engine technology)
• Inner-platform effect (anti-patterns)
• International Fisher effect (economics and finance) (finance theories) (interest rates)
• Inverse Doppler effect (Doppler effects) (wave mechanics)
• Inverse Faraday effect (electric and magnetic fields in matter) (optical phenomena)

J

• Jack-in-the-box effect (military) (military slang and jargon) (tanks)
• Jahn–Teller effect (condensed matter physics) (inorganic chemistry) (organometallic chemistry) (quantum chemistry)
• January effect (behavioral finance) (economics and finance) (market trends) (stock market)
• Janus effect (effects) (sociology)
• Johnsen–Rahbek effect (classical mechanics) (electrical engineering)
• Joule-Thomson effect (thermodynamics)
• Josephson effect (condensed matter physics) (sensors) (superconductivity)
• Jupiter effect (astronomy) (science book)

K

• Kadenacy effect (automobile parts) (engine technology)
• Kapitsa–Dirac effect (physics)
• Kappa effect (geography) (psychology)
• Kautsky effect (fluorescence)
• Kaye effect (fluid dynamics)
• Ken Burns effect (film techniques)
• Kendall effect (telecommunications)
• Kerr effect (nonlinear optics)
• Keynes effect (economics and finance) (Keynesian economics)
• Keystone effect (technology)
• Kinetic depth effect (perception)
• Kinetic isotope effect (chemical kinetics) (physical organic chemistry)
• Kirkendall effect (chemistry) (metallurgy)
• Klein–Nishina effect (quantum field theory)
• Knife-edge effect (radio frequency propagation)
• Kohn effect (physics)
• Kondo effect (condensed matter physics) (electric and magnetic fields in matter) (physical phenomena)
• Kozai effect (astronomy) (celestial mechanics)
• Kuleshov effect (cinema of Russia) (cognitive biases) (film editing) (film techniques) (psychological theories)

L

• Lake effect (snow or ice weather phenomena)
• Lake Wobegon effect (cognitive biases) (psychological theories) (social psychology)
• Landau–Pomeranchuk–Migdal effect (high-energy physics)
• Larsen effect (audio feedback)
• Late effect (disease)
• Lawn dart effect (psychology)
• Lazarus effect (particle detectors)
• LCD memory effect (display technology)
• Lead–lag effect (control theory) (economics and finance)
• Leakage effect (tourism)
• Learning effect (economics) (economics) (economics terminology)
• Lee–Boot effect (biology) (reproduction)
• Legalized abortion and crime effect (abortion debate) (criminology)
• Leidenfrost effect (physical phenomena)
• Lenard effect (physics)
• Lense–Thirring effect (effects of gravitation) (tests of general relativity)
• Leveling effect (chemistry)
• Levels-of-processing effect (educational psychology) (psychology) (psychological theories)
• Liquid Sky (effect) (lasers) (stage lighting)
• Little–Parks effect (condensed matter physics)
• Lockin effect (physics)
• Lombard effect (phonetics) (human voice) (animal communication) (human communication) (noise pollution)
• Lotus effect (nanotechnology)
• Low-frequency effects (film sound production) (technology)
• Lubbert's effect (medicine) (radiography) (radiology)
• Lunar effect (moon myths) (pseudoscience)
• Luxemburg–Gorky effect (radio communication) (radio spectrum)

M

• (Mach effect: see) Woodward effect (spacecraft propulsion)
• Magnetic isotope effect (physics)
• Magneto-optic effect (electric and magnetic fields in matter) (optical phenomena)
• Magneto-optic Kerr effect (condensed matter physics) (electric and magnetic fields in matter) (optical phenomena)
• Magnus effect (fluid dynamics)
• Mallenby effect
• Malter effect (physics)
• Marangoni effect (fluid dynamics) (fluid mechanics) (physical phenomena)
• Mark Twain effect (economics and finance) (stock market)
• Martha Mitchell effect (psychological theories) (psychosis)
• Massenerhebung effect (trees)
• Maternal age effect (developmental biology)
• Maternal effect (developmental biology)
• Matthew effect (education) (education)
• Matthew effect (sociology) (adages) (social phenomena) (sociology of scientific knowledge)
• McClintock effect (menstruation)
• McCollough effect (optical illusions)
• McGurk effect (auditory illusions) (perception) (psychological theories)
• Meissner effect (levitation) (magnetism) (superconductivity)
• Meitner–Hupfeld effect (particle physics)
• Memory effect (electric batteries)
• Mesomeric effect (chemical bonding)
• Microwave auditory effect (cognitive neuroscience) (espionage) (hearing) (human psychology) (less-lethal weapons) (mind control) (sound)
• Mid-domain effect (macroecology) (biogeography) (biodiversity)
• Mikheyev–Smirnov–Wolfenstein effect (particle physics)
• Milky seas effect (aquatic biology) (biological oceanography) (bioluminescence)
• Miller effect (electrical engineering) (electronics terms)
• Miniature effect (film and video technology) (film techniques) (scale modeling) (scientific modeling) (special effects) (visual effects)
• Misinformation effect (cognitive biases) (psychological theories)
• Missing letter effect (perception) (psychometrics)
• Misznay–Schardin effect (explosives)
• Mohring effect (microeconomics) (transportation)
• Mössbauer effect (condensed matter physics) (nuclear physics) (physical phenomena)
• Mozart effect (education psychology) (popular psychology) (psychological theories) (Wolfgang Amadeus Mozart)
• Mpemba effect (phase changes) (physical paradoxes) (thermodynamics)
• Mullins effect (rubber properties)
• Multiple-effect humidification (drinking water) (water supply) (water treatment)
• Munroe effect (explosive weapons) (explosives)

N

• Name letter effect (psychology)
• Negative (positive) contrast effect (psychology)
• Negativity effect (cognitive biases) (psychological theories)
• Neglected firm effect (business analysis)
• Nernst effect (electrodynamics) (thermodynamics)
• Network effect (business models) (economics effects) (information technology) (monopoly [economics]) (networks) (transport economics)
• Non-thermal microwave effect (chemical kinetics)
• Nordtvedt effect (astronomy) (astrophysics) (effects of gravitation) (relativity) (theoretical physics)
• Novaya Zemlya effect (arctic) (atmospheric optical phenomena) (atmospheric science) (Novaya Zemlya) (solar phenomena)
• Novelty effect (learning) (psychology)
• Nuclear Overhauser effect (chemical physics) (nuclear magnetic resonance) (physical chemistry) (spectroscopy)
• Numerosity adaptation effect (cognitive science) (optical illusions) (perception)
• Nut Island effect (human resource management) (organizational studies and human resource management)

O

• Observer effect (information technology) (computer programming)
• Observer effect (physics) (physics)
• Observer-expectancy effect (cognitive biases) (cognitive psychology)
• Occlusion effect (biology) (otology)
• Octave effect (effects units)
• Okorokov effect (physics)
• Oligodynamic effect (biology and pharmacology of chemical elements)
• Olivera–Tanzi effect (taxation)
• Online disinhibition effect (Internet culture) (psychology)
• Onnes effect (condensed matter physics) (fluid mechanics) (helium)
• Opposition effect (astronomy) (optical phenomena) (observational astronomy) (radiometry) (scattering, absorption and radiative transfer [optics])
• Osborne effect (marketing)
• Ostrich effect (adages)
• Overconfidence effect (cognitive biases) (psychological theories)
• Overjustification effect (educational psychology) (psychological theories) (psychology)
• Overview effect (spaceflight) (transcendence) (psychology)

P

• Park effect (psychology)
• Partner effects (economics) (sociology)
• Paschen–Back effect (atomic physics) (atomic, molecular, and optical physics) (magnetism)
• Pasteur effect (beer and brewery) (biochemistry) (fermentation) (metabolism)
• (Paternal effect: see) maternal effect (developmental biology)
• Pauli effect (experimental physics) (parapsychology) (psychokinesis)
• Payne effect (rubber properties)
• Pearson–Anson effect (electronics)
• Peltier–Seebeck effect (thermoelectric effect) (electricity) (HVAC) (physical phenomena) (thermodynamics)
• Peltzman effect (economics of regulation) (University of Chicago)
• Penn effect (economics effects)
• Petkau effect (radiobiology)
• Phaser (effect) (audio effects) (effects units)
• Phillips effect (employment) (inflation)
• Photoacoustic Doppler effect (Doppler effects) (radar signal processing) (radio frequency propagation) (wave mechanics)
• Photoelectric effect (Albert Einstein) (electrical phenomena) (foundational quantum physics)
• Photorefractive effect (nonlinear optics)
• Photothermal effect (particle physics) (photochemistry) (physics)
• Physical effect (physics)
• Picture superiority effect (cognitive biases) (educational psychology) (memory biases) (psychological theories)
• Piezoresistive effect (electrical phenomena)
• Pigou effect (economics effects)
• Placebo effect (bioethics) (clinical research) (experimental design) (history of medicine) (Latin medical phrases) (Latin words and phrases) (medical ethics) (medical terms) (medicinal chemistry) (mind-body interventions) (pharmacology) (psychological theories) (research methods) (theories)
• Plasma effect (demo effects)
• Plateau effect (systems science) (metaphors referring to places)
• Pockels effect (cryptography) (nonlinear optics) (polarization)
• Polar effect (physical organic chemistry)
• Polar effect (genetics) (genetics)
• Pontoon effect (naval architecture)
• Portevin–Le Chatelier effect (engineering) (materials science)
• Position-effect variegation (genetics)
• Positivity effect (aging) (cognition) (cognitive biases) (memory) (memory biases) (psychological theories) (psychology)
• Poynting effect (gases)
• Poynting–Robertson effect (celestial mechanics)
• Practical effect (special effects)
• Pratfall effect (psychology)
• Precedence effect (acoustics) (sound perception)
• Primakoff effect (particle physics)
• Priority effect (ecology)
• Probe effect (software development philosophies) (system administration)
• Proximity effect (atomic physics) (nuclear physics) (physics)
• Proximity effect (audio) (acoustics)
• Proximity effect (electromagnetism) (electrical engineering)
• Proximity effect (electron beam lithography) (condensed matter physics)
• Proximity effect (superconductivity) (superconductivity)
• Pseudocertainty effect
• Pulfrich effect (3D imaging) (optical illusions)
• Purkinje effect (optical illusions) (perception) (vision)
• Pygmalion effect (cognitive biases)

Q

• QMR effect (electric and magnetic fields in matter) (magnetism) (optics) (optical phenomena)
• Quantum confined stark effect (quantum mechanics)
• Quantum Hall effect (Hall effect) (condensed matter physics) (quantum electronics) (spintronics)
• Quantum Zeno effect (quantum measurement)

R

• Raman effect (physics)
• Ramp effect (drug addiction) (drug rehabilitation)
• Ramsauer–Townsend effect (physical phenomena) (scattering)
• Ransom note effect (typography)
• Rashomon effect (psychology)
• Ratchet effect (game theory)
• Rear projection effect (special effects)
• Rebound effect (medical sign)
• Rebound effect (conservation) (economics paradoxes) (energy) (energy conservation)
• Red-eye effect (science of photography)
• Relativistic Doppler effect (Doppler effects) (special relativity)
• Renner–Teller effect (molecular physics)
• Reverse Cerenkov effect (physics)
• Reverse short-channel effect (transistors)
• Ringelmann effect (social psychology)
• Ripple effect (education) (sociology)
• Robin Hood effect (income distribution) (Robin Hood) (socioeconomics) (taxation)
• Roe effect (abortion debate) (abortion in the United States)
• Rope trick effect (nuclear weapons)
• Rossiter–McLaughlin effect (Doppler effects) (extrasolar planets) (spectroscopy) (star systems)
• Rusty bolt effect (radio electronics)

S

• Sabattier effect (solarization) (photographic processes) (science of photography)
• Sachs–Wolfe effect (astronomy) (physical cosmology)
• Sagnac effect (optics) (relativity)
• Samba effect (Brazil) (economy of Brazil) (history of Brazil)
• Sandbox effect (Internet technology) (search engine optimization)
• Scharnhorst effect (quantum field theory)
• Schottky effect (diodes)
• Screen-door effect (display technology) (technology)
• Second gas effect (anesthesia)
• Second-round effect (business) (monetary policy)
• Second-system effect (software development)
• Seeliger effect (astronomy) (observational astronomy)
• Serial position effect (cognitive biases) (psychological theories) (psychologicy)
• Shaft effect (motorcycle)
• Shapiro effect (effects of gravitation)
• Shielding effect (atomic, molecular, and optical physics) (atomic physics) (chemistry) (quantum chemistry)
• Shower-curtain effect (fluid dynamics)
• Shubnikov–de Haas effect (science)
• Side effect (computer science) (computer programming)
• Side effect (disambiguation)
• Signor–Lipps effect (extinction) (fossils) (paleontology)
• Silk screen effect (technology)
• Silo effect (management) (systems theory)
• Simon effect (psychology)
• Skin effect (electronics)
• Slashdot effect (denial-of-service attacks)(Internet terminology) (Slashdot)
• Sleeper effect (social psychology)
• Smith–Purcell effect (physics) (quantum optics)
• Snackwell effect (consumer behaviour) (psychology)
• Snob effect (consumer theory) (economics and finance)
• Snowball effect (language) (metaphors)
• Sound effect (film techniques) (sound effects) (sound production) (special effects)
• Southwest effect, The (airline terminology) (Southwest Airlines)
• Sow's ear effect (economics and finance) (economics effects)
• Spacing effect (cognitive biases) (educational psychology) (psychological theories)
• Special effect (animation) (special effects)
• Spin Hall effect (condensed matter physics) (Hall effect) (physics) (spintronics)
• Spoiler effect (psephology) (voting theory)
• Stark effect (atomic physics) (foundational quantum physics) (physical phenomena)
• Stars (shader effect) (3D computer graphics) (computer graphics) (demo effects)
• Status effect (video game gameplay)
• Stewart–Tolman effect (electrodynamics)
• Stock sound effect (film and video technology) (film and video terminology) (film terminology)
• Storage effect (demography) (population ecology)
• Stormtrooper effect (cartoon physics) (film criticism) (humor) (plot devices) (Star Wars fandom)
• Streisand effect (dynamic lists) (eponyms) (slang)
• Stroop effect (perception) (psychological tests)
• Subadditivity effect (cognitive biases)
• Subject-expectancy effect (cognitive biases)
• Sunyaev–Zel'dovich effect (physical cosmology) (radio astronomy)
• SVG filter effect (computer graphics) (computer graphics techniques) (image processing) (Scalable Vector Graphics)
• Sylvia Plath effect (psychology)

T

• Tamagotchi effect (psychology)
• Tanada effect (botany)
• Telescoping effect (memory biases) (psychology)
• Tesla effect (wireless energy transfer) (electric power transmission systems) (electricity distribution) (energy development) (Nikola Tesla)
• Testing effect (educational psychology) (memory)
• Tetris effect (memory) (Tetris)
• Thatcher effect (vision)
• Therapeutic effect(medical treatment) (pharmacology)
• Thermal flywheel effect (heat) (thermodynamics)
• Thermal Hall effect (condensed matter) (Hall effect) (superconductivity)
• Third-person effect (media studies)
• Thorpe–Ingold effect (chemical kinetics) (organic chemistry)
• Threshold effect (particle physics) (physics) (renormalization group)
• Tinkerbell effect (sociology)
• Training effect (cardiovascular system) (exercise physiology) (medicine) (respiratory system) (sports terminology)
• Trans effect (coordination chemistry)
• Transfer effect (ornithology)
• Transformer effect (electrodynamics)
• Transverse flow effect (aerodynamics)
• Trench effect (fire)
• Triboelectric effect (electrical phenomena) (electricity)
• Trickle up effect
• Trickle-down effect (marketing)
• Turban effect (anti-Islam sentiment)
• Twisted nematic field effect (display technology) (liquid crystal displays) (liquid crystals)
• Twomey effect (air pollution) (atmospheric radiation) (clouds, fog and precipitation)
• Tyndall effect (physical phenomena) (scattering)

U

• Umov effect (astronomy) (observational astronomy) (planetary science)
• Unruh effect (quantum field theory) (thermodynamics)
• Urban heat island effect (climate change feedbacks and causes) (climate forcing)

V

• Vandenbergh effect (biology)
• Vaporific effect (fire)
• Veblen effect (consumer theory) (goods)
• Venturi effect (fluid dynamics)
• Venus effect (artistic techniques) (cognitive science) (film techniques) (mirrors) (psychology)
• Visual effects (computer generated imagery)
• Visual effects art director
• Voigt effect (magnetism) (optics)
• Von Restorff effect (cognitive biases) (psychological theories)
• Vroman effect (molecular and cellular biology)

W

• Wagon-wheel effect (optical illusion)
• Wahlund effect (evolution) (population genetics)
• Walkman effect (computing and society) (technology)
• Wallace effect (evolutionary biology) (speciation)
• Warburg effect (biochemistry) (oncology) (photosynthesis)
• Wealth effect (economics and finance) (wealth)
• Weapons effect (gun politics)
• Weathervane effect (aviation terminology)
• Weissenberg effect (physics)
• Wet floor effect (computer graphic techniques) (computer graphics) (Web 2.0)
• Whitten effect (menstruation)
• Wigner effect (condensed matter physics) (nuclear technology) (physical phenomena) (radiation effects)
• Wilson effect (astronomy) (Sun)
• Wilson–Bappu effect (physics)
• Wimbledon effect (economic theories) (economy of Japan) (economy of London)
• Windkessel effect (physiology)
• Withgott effect (linguistics) (phonetics)
• Wolf effect (scattering) (spectroscopy)
• Wolff–Chaikoff effect (iodine) (medicine)
• Woodward effect (spacecraft propulsion)
• Word superiority effect (cognitive science)
• Worse-than-average effect (cognitive biases) (psychological theories) (social psychology)

X

• Xenia effect (agriculture) (genetics)

Y

• Yarkovsky effect (celestial mechanics)
• Yarkovsky–O'Keefe–Radzievskii–Paddack effect (celestial mechanics)

Z

• Zeeman effect (atomic physics) (foundational quantum physics) (magnetism) (physical phenomena)
• Zeigarnik effect (cognitive biases) (educational psychology) (learning) (psychological theories)