作者：Stump, N. Frank
摘要：Twelve visual tests were administered to 3 employee groups. The groups, equated on amt. of schooling but differing in first aid records, were an accident-free group, a high-frequency-of-minor-accident group, and a serious-injury group. The complete set of tests given are incorporated in the Bausch and Lomb ortho-rater. Judging from critical ratios, the accident-free group was superior to the other 2 groups in 7 of the 12 tests. Not a single critical ratio met the criterion (2.03) for significa...
作者：Tinker, Miles A.
摘要：The author surveys the literature to indicate that individuals express a wide range of preference for intensities of illumination as best for comfortable reading under general lighting. Failure to allow for adaptation between changes in intensities has been a common fault in many a previous study. Visual adaptation at the time of choice seems to play a large role in determining individual intensity preferences. The scope of the present report is narrow, being concerned with the effect of visua...
