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| Lighting | 5 |
| Visual Environment | 5 |
| Visual Perception | 5 |
| Vision | 3 |
| Visual Discrimination | 3 |
| Measurement Techniques | 2 |
| Task Performance | 2 |
| Biology | 1 |
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Blackwell, H. Richard – Illuminating Engineering, 1963
The results of all basic measurements and calculations of reflected glare for different lighting materials and conditions are presented in a series of tables and charts. All basic concepts of a quantitative method for evaluating the visual significance of reflected glare are identified in relationship to different types of visual performance. The…
Descriptors: Glare, Lighting, Measurement Techniques, Task Performance
Blackwell, H. Richard – Illuminating Engineering, 1963
An application method for evaluating the visual significance of reflected glare is described, based upon a number of decisions with respect to the relative importance of various aspects of visual performance. A standardized procedure for evaluating the overall effectiveness of lighting from photometric data on materials or installations is needed…
Descriptors: Ceilings, Glare, Lighting, Measurement Techniques
Peer reviewedCrouch, C. L. – CEFP Journal, 1973
Discusses research undertaken to determine recommended levels of lighting for effective seeing. Factors considered include age, veiling reflections, brightness differences, glare, and pleasantness. Also points out some common lighting practices that are wasteful and inefficient and suggests alternatives. (DN)
Descriptors: Cost Effectiveness, Energy Conservation, Facility Planning, Glare
Download full textWelde, William L.; Cream, Bertram W. – 1972
An experiment was conducted to determine the influence of three variables on the perception of the psychophysical phenomenon of flicker in wide angle cathode ray tube (CRT) displays. The three independent variables treated in the experiment were: 3, 6, and 9 foot-lambers (FL) illumination levels; four images, three static and one dynamic; and 26…
Descriptors: Experimental Psychology, Flight Training, Glare, Lighting
Harmon, Darell Boyd – 1949
From a series of lectures, a selection of eight are oriented principally toward the biologically developing child, and the physiological operations in visual process. The numbered lectures are--(1) The Coordinated Classroom, its Philosophy and Principles, (2) An Outline of a Biological Point of View, (3) The Evolution of Structure--despite man's…
Descriptors: Biology, Child Development, Classroom Environment, Climate Control
