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| Author | Nallan, G.B.; Pace, G.M.; McCoy, D.F.; Zentall, T.R. | ||||
| Title | Temporal parameters of the feature positive effect | Type | Journal Article | ||
| Year | 1979 | Publication | The American journal of psychology | Abbreviated Journal | Am J Psychol |
| Volume | 92 | Issue | 4 | Pages | 703-710 |
| Keywords | Animals; Columbidae; Conditioning, Operant; *Discrimination Learning; Form Perception; Male; *Time Perception | ||||
| Abstract | Trial duration and intertrial interval duration were parametrically varied between groups of pigeons exposed to a discrimination involving the presence vs. the absence of a dot. Half the groups received the dot as the positive stimulus (feature positive groups) and half the groups received the dot as the negative stimulus (feature negative groups). Faster learning by the feature positive birds (feature positive effect) was found when the trial duration was short (5 sec) regardless of whether the intertrial interval was short (5 sec) or long (30 sec). No evidence for a feature positive effect was found when the trial duration was long (30 sec) regardless of the length of the intertrial interval (30 sec or 180 sec). The results suggest that short trial duration is a necessary condition for the occurrence of the feature positive effect, and neither intertrial interval nor trial duration/intertrial interval ratio are important for its occurrence. The suggestion that mechanisms underlying the feature positive effect and autoshaping might be similar was not supported by the present experiment since the trial duration/intertrial interval ration parameter appears to play an important role in autoshaping but not the feature positive effect. | ||||
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| Language | English | Summary Language  |
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| ISSN | 0002-9556 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:532834 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 269 | ||
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