EntityQ769396· pop 5· linked from 59 articlesplacebo buttonSign in to savepush-button or other control which has apparent functionality but has no physical effect when pressedConnectionspedestrian crossingEntityNew York CityCityHong KongCityBrooklynConceptIvan PavlovEntityThe New York TimesEntitydigital object identifierEntityLondon UndergroundEntityThe Wall Street JournalEntityplaceboEntityQ180686Entityelectrical switchEntitythermostatEntityclassical conditioningEntityrailroad switchEntityDistrict lineEntityheating, ventilation, and air conditioningEntityQ22908627Entitypressure switchEntitypush-buttonEntityCategoriesDeceptionMagical thinkingPedestrian crossingsSwitchesUser interfacesUser interface techniques