摘要：This research deals with some psychological factors that may influence the determination of the magnitude of auditory sensation or pure loudness. Several factors and their influences are discussed. 17 Male and 3 female subjects between 18 and 26 years of age were tested under several different experimental conditions using the method of constant stimuli. Results are discussed in terms of both future research and implications for industry. OpsommingTwintig toetslinge, 17 mans en 3 dames, tussen die ouderdomme 18 en 26 jaar is onder verskillende eksperimentele situasies getoets om die invloed van 'n aantal sielkundige faktore op die bepaling van luidheid te bepaal. Die metode van konstante stimuli is gebruik om die luidheidspeil onder die verskillende eksperimentele situasies te verkry. Die resultate van die ondersoek word bespreek in terme van toekomstige navorsing op hierdie gebied asook die implikasies wat dit vir die bedryf inhou.
