Assimilation theory and the Ponzo illusion: Quantitative predictions
[Correction Notice: An erratum for this article was reported in Vol 26(2) of Canadian Journal of Psychology Revue Canadienne de Psychologie . A corrected formula is provided.] Predicted that the ponzo illusion would increase, and then decrease as angle of the oblique arms increased, on the basis of...
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| Veröffentlicht in: | Canadian Journal of Psychology 1971-12, Vol.25 (6), p.486-497 |
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| container_title | Canadian Journal of Psychology |
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| creator | Pressey, A. W Butchard, N Scrivner, L |
| description | [Correction Notice: An erratum for this article was reported in Vol 26(2) of
Canadian Journal of Psychology Revue Canadienne de Psychologie
. A corrected formula is provided.] Predicted that the ponzo illusion would increase, and then decrease as angle of the oblique arms increased, on the basis of assimilation theory. A reversed illusion was predicted when the angle was very obtuse. 4 orientations of the ponzo illusion were employed. In these the apex pointed to the top, bottom, left, and right. A different orientation was used on each of 4 sessions separated by a minimum of 1 day. The order was randomized for each of 9 men and 6 women ss. Both predictions were verified. Data suggest a change in the attentive field postulate of assimilation theory, and a general formula was derived to obtain a numerical estimate of illusion. (french summary) |
| doi_str_mv | 10.1037/h0082409 |
| format | Article |
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Canadian Journal of Psychology Revue Canadienne de Psychologie
. A corrected formula is provided.] Predicted that the ponzo illusion would increase, and then decrease as angle of the oblique arms increased, on the basis of assimilation theory. A reversed illusion was predicted when the angle was very obtuse. 4 orientations of the ponzo illusion were employed. In these the apex pointed to the top, bottom, left, and right. A different orientation was used on each of 4 sessions separated by a minimum of 1 day. The order was randomized for each of 9 men and 6 women ss. Both predictions were verified. Data suggest a change in the attentive field postulate of assimilation theory, and a general formula was derived to obtain a numerical estimate of illusion. (french summary)</description><identifier>ISSN: 0008-4255</identifier><identifier>ISSN: 1196-1961</identifier><identifier>EISSN: 1878-7290</identifier><identifier>DOI: 10.1037/h0082409</identifier><identifier>PMID: 5149838</identifier><language>eng</language><publisher>Canada: University of Toronto Press</publisher><subject>Adult ; Depth Perception ; Female ; Human ; Humans ; Illusions ; Illusions (Perception) ; Male ; Models, Theoretical ; Orienting Reflex ; Probability ; Sensory Adaptation ; Visual Perception</subject><ispartof>Canadian Journal of Psychology, 1971-12, Vol.25 (6), p.486-497</ispartof><rights>1971 Canadian Psychological Association and University of Toronto Press</rights><rights>1971, Canadian Psychological Association and University of Toronto Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a398t-540d5d420cd525116e026aba2bdcdac27e8c79ccd97f48dce30b285de8b976f03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27868,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/5149838$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Mogenson, G. J</contributor><creatorcontrib>Pressey, A. W</creatorcontrib><creatorcontrib>Butchard, N</creatorcontrib><creatorcontrib>Scrivner, L</creatorcontrib><title>Assimilation theory and the Ponzo illusion: Quantitative predictions</title><title>Canadian Journal of Psychology</title><addtitle>Can J Psychol</addtitle><description>[Correction Notice: An erratum for this article was reported in Vol 26(2) of
Canadian Journal of Psychology Revue Canadienne de Psychologie
. A corrected formula is provided.] Predicted that the ponzo illusion would increase, and then decrease as angle of the oblique arms increased, on the basis of assimilation theory. A reversed illusion was predicted when the angle was very obtuse. 4 orientations of the ponzo illusion were employed. In these the apex pointed to the top, bottom, left, and right. A different orientation was used on each of 4 sessions separated by a minimum of 1 day. The order was randomized for each of 9 men and 6 women ss. Both predictions were verified. Data suggest a change in the attentive field postulate of assimilation theory, and a general formula was derived to obtain a numerical estimate of illusion. 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Canadian Journal of Psychology Revue Canadienne de Psychologie
. A corrected formula is provided.] Predicted that the ponzo illusion would increase, and then decrease as angle of the oblique arms increased, on the basis of assimilation theory. A reversed illusion was predicted when the angle was very obtuse. 4 orientations of the ponzo illusion were employed. In these the apex pointed to the top, bottom, left, and right. A different orientation was used on each of 4 sessions separated by a minimum of 1 day. The order was randomized for each of 9 men and 6 women ss. Both predictions were verified. Data suggest a change in the attentive field postulate of assimilation theory, and a general formula was derived to obtain a numerical estimate of illusion. (french summary)</abstract><cop>Canada</cop><pub>University of Toronto Press</pub><pmid>5149838</pmid><doi>10.1037/h0082409</doi><tpages>12</tpages></addata></record> |
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| identifier | ISSN: 0008-4255 |
| ispartof | Canadian Journal of Psychology, 1971-12, Vol.25 (6), p.486-497 |
| issn | 0008-4255 1196-1961 1878-7290 |
| language | eng |
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| source | MEDLINE; EBSCOhost APA PsycARTICLES; Periodicals Index Online |
| subjects | Adult Depth Perception Female Human Humans Illusions Illusions (Perception) Male Models, Theoretical Orienting Reflex Probability Sensory Adaptation Visual Perception |
| title | Assimilation theory and the Ponzo illusion: Quantitative predictions |
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