EntityQ2923093· pop 5· linked from 8 articlesJensen boxSign in to saveinstrument measuring choice reaction time and IQ differencesConnectionsmental chronometryEntityIan DearyEntityintelligenceEntitydigital object identifierEntityUniversity of California, BerkeleyEntityintelligence quotientEntitylight-emitting diodeEntitystandard deviationEntitypsychologistEntitycorrelationEntityvarianceEntityQ22908627Entitycohort studyEntityArthur R. JensenEntityHick's lawEntityIntelligenceEntityW. E. HickEntityCategoriesCognitive testsIntelligence tests