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)
Read more about this topic: List Of Effects