background: noise is one of the annoying agents in the environment and it is harmful agent in workplaces that its occurrence with work load, there are in many workstations. the aim of this study was to determine the combined effects of exposure to noise and work load on heart rate changes. methods: this cross-sectional study performed on 14 male students into climatic chamber in 2011.the mean ±...

The aim of this study was to develop and evaluate a Swedish version the Hearing In Noise Test for Children (HINT-C). first part, HINT lists adults evaluated by children at three signal noise ratios (SNRs), −4, −1 +2 dB. Lists including sentences not reaching 50% recognition dB SNR were excluded rest constituted HINT-C. second HINT-C in using an adaptive procedure determine correctly repeated se...