Download Algebra and Its Applications by Huynh D.V., Jain S.K., Lopez-Permouth S.R. (eds.) PDF

By Huynh D.V., Jain S.K., Lopez-Permouth S.R. (eds.)

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Components of the apparatus used in measuring size constancy. After Davis et al (1964b). The 15 monkeys that constituted South Dakota Group I in 1960 were the 5s. They were trained to pull the carts as pulltoys from a distance of 18 inches to obtain rewards. They then learned to operate the mechanism of the cards and adapters to obtain food. Discrimination between the cards, both at 18 inches, followed. S made a correct response by pulling the chain attached to a cart bearing the large stimulus card, pulling the card forward and obtaining the food from the back of the card.

This improvement depended upon perceiving size-distance relationships and not merely reversing contingencies, since noncritical trials were solved at the same level as critical trials at the end of practice. An analysis of errors indicated that the visual angle and the distance of each of the objects contributed fewer errors in each successive period of practice. The sum of the distance between S and each of the squares, however, contributed more errors with practice. These results reflect more than adaptation, as each S had a long and elaborate period of preliminary training.

When short and tall stimuli were compared holding width (and tilt) constant, the difference in area was a factor of 2. 01 times as the alternative when small stimuli (tilted or square) were present. 25. 376) says, ". . distinguishing what is up and 48 III. 00. 78. This indicates that facilitation of performance involving both height and width was greater than either alone, and support for this contention was obtained in a significant Height X Width interaction. However, when the Height X Width x S s interaction was used as an error term, Height X Width was not significant.

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