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Articles 31 - 32 of 32
Full-Text Articles in Physical Sciences and Mathematics
Park Visitor Responses To Natural Hazards, Lee H. Rentz
Park Visitor Responses To Natural Hazards, Lee H. Rentz
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Natural hazards have been an increasing problem in wildland recreation areas. This study attempted to identify factors affecting park visitor perception of and preparedness for hazards.
A model was formulated incorporating three major independent variables which might affect park visitor responses to hazards. These were: (1) previous experience, (2) information about hazards provided by the park administration (such as warnings located on signs or in brochures), and (3) visitor perception of whether responsibility for hazards rests with the individual or with an outside authority such as government or God. Trip length and knowledge of hazards were also thought to be …
Some Aspects Of Conditioning Behavior In Rainbow Trout, Salmo Gairdneri, Reed E. Harris
Some Aspects Of Conditioning Behavior In Rainbow Trout, Salmo Gairdneri, Reed E. Harris
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Effects of exercise, social facilitation, and delayed conditioning after vi exercise on the learning behavior of 5 to 6-inch rainbow trout, Salmo gairdneri, was measured in a conditioned avoidance response apparatus. The conditioning schedule contained an intertrial interval between alternate presentations of conditioned (light) and unconditioned (shock) stimuli. This randomization eliminated learning losses found in a previous study. Mean percentage avoidance, the measurement of learning, did not decrease significantly during conditioning trials. Exercised fish learned avoidance better than did non-exercised fish. Mean percentage avoidance for fish exercised at 0.5 ft/sec was 66.3; at 1.0 ft/ sec, 1.5 ft/sec, and …