An integrated system for the collection of multiple-choice type data from up to 40 subjects.
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Biomedical subjects
Publications and source records attributed to G B Meese.
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Volunteer factory workers performed a series of tests in a mobile climate laboratory. The tests simulated factory skills and were performed at 6 degrees, 12 degrees, 18 degrees or 24 degrees C at low vapour pressures. At each temperature four groups of about 30 workers were tested: black men, and women and white men and women. A first order polynomial was used to fit the data for temperature and comfort vote. The comfort vote predicted about 6% of performance, temperature about 11%. On some manual tasks air temperature predicted more than 40% of performance. There were few differences between the groups.
The relationship between finger skin temperature (FST) and performance was demonstrated with four manual dexterity tasks all of which were performed by black and white, male and female subjects. At air temperatures below 24 degrees C the white subjects tended to have warmer FSTs than the black subjects; white subjects were also able to equal the performance of the black subjects at air temperatures as much as 6 degrees C below that required by the black subjects.
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In two female pigs it has been shown using operant conditioning techniques in which the animals pushed panels with their snouts in order to obtain food, that they could distinguish between the oder from urine samples taken from other pigs. In the discrimination task, the pigs faced two panels and a tube adjacent to one of the panels emitted urine odor used as the positive discriminative stimulus while another tube adjacent to the other panel emitted the negative discriminative stimulus consisting of odor from another urine sample. Only presses on the panel associated with the positive stimulus were reinforced on a fixed ratio schedule of 6. Both positive and negative discrimination stimuli were presented simultaneously. After each reinforcement the position of the positive and negative odor stimuli was varied according to the Gellerman series. When fully trained, the pigs made very few responses on the incorrect panel.
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