Abstract
BackgroundNoise is one of the more widespread pollutions of road transportation system, which can cause deterioration in performance. This experimental study was designed to assess the effect of road traffic noise on performance with regard to extra/introversion and sex of participants. The personality trait of extra/introversion has been remarked as relevant factor to mental performance.ResultsThirty six (26 males and 10 females) medical sciences students of Tehran University participated in the study. The students were placed in an unechoing room and performed the Cognitrone test from Vienna Test System in quiet condition and under road traffic noise (71 dBA). The results of this study pointed out that noise increased the percentage of sum of correct answers but had no effect on the speed of performance. Furthermore this study showed that performance was enhanced in extroverts (P=0.001) but no significant difference was found in introverts (P ≤0.05).ConclusionsThe regression analysis revealed that extra/introversion was more important than sex to predict the performance parameters.
Highlights
Noise is one of the more widespread pollutions of road transportation system, which can cause deterioration in performance
Since the number of exposed persons to traffic noise is increasing and regarding to effects of road traffic noise on performance, this study was conducted. This experimental study was designed to examine the influence of personality trait of intro/extraversion and sex on performance under quiet condition and road traffic noise
Traffic noise enhanced the sum of correct answer in comparison with under quiet
Summary
Thirty six (26 males and 10 females) medical sciences students of Tehran University participated in the study. The students were placed in an unechoing room and performed the Cognitrone test from Vienna Test System in quiet condition and under road traffic noise (71 dBA). The results of this study pointed out that noise increased the percentage of sum of correct answers but had no effect on the speed of performance. This study showed that performance was enhanced in extroverts (P=0.001) but no significant difference was found in introverts (P ≤0.05)
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