Interaction of discomfort factors with relief in discomfort perception

Laboratory Study of Factors Affecting Sitting Comfort and Discomfort 97 Acknowledgement This study was supported by the Internal Research Budget from Sirindhorn International Institute of Technology, Thammasat University, and from the Thailand Research Fund through the RGJ-PHD Grant No. PHD01382544. References Becker, A.B., Swanson, N.G., Sauter, T.L., Galinsky, S.J., and Schleifer, L., 1995. Compatibility of job rotation subtasks in data entry work. Proceedings of the 39 th Annual Human Factors and Ergonomics Society Meeting, Vol. 2. Carnahan, B.J. and Redfern, M.S., 1997. Automatic planning of job rotation schedules. Proceedings of the 6 th Annual Industrial Engineering Research Conference: pp. 263-269. Casali, J., Lam, S., and Epps, G. 1987. Rating and ranking methods for hearing protector wearability. Sound and Vibration, 2112: 10-18. Chebotarev, A.G., Matyukhin, V.V., and Naumova, A.P., 1994. Physiologic and hygienic characteristics of work conditions in Placer Mines of Far North. Gigiena Truda I Professsional’nye Zabolevaniya: 7-10. Gasaway, D., 1994. NIOSH compendium hearing protector attenuation. National Safety News: 26-34. Loken, L., 1992. Breathing easier and working better. Surface Mount Technology, 68: 45-46. Nanthavanij, S., 2003. Determination of safety and productive daily work assignments for m workers. Working Paper No. MT-0302, Sirindhorn International Institute of Technology, Thammasat University. Nanthavanij, S. and Yenradee, P., 1999. Analytical determination of worker assignment with workplace noise consideration. Proceedings of the 25 th International Conference on Computers and Industrial Engineering: 411-414. Occupational Safety and Health Administration, 1993. Occupational Noise Exposure: Hearing Conservation Amendment. 29 Code of Federal Register. Pinedo, M., 1995. Scheduling: Theory, Algorithms, and Systems. Prentice Hall, Inc., New Jersey. Sanders, M.S. and McCormick, E.J., 1993. Human Factors in Engineering and Design. 7 th Edition, McGraw-Hill, New York. Wilson, C., Solanky, H., and Gage, H., 1981. Hearing protector effectiveness. Professional Safety: 19-24.