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Author Zentall, S.S.; Zentall, T.R. openurl 
  Title Optimal stimulation: a model of disordered activity and performance in normal and deviant children Type Journal Article
  Year 1983 Publication Psychological bulletin Abbreviated Journal Psychol Bull  
  Volume 94 Issue 3 Pages 446-471  
  Keywords *Arousal; Attention Deficit Disorder with Hyperactivity/*psychology; Autistic Disorder/*psychology; Behavior Therapy; Child; Humans  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0033-2909 ISBN Medium  
  Area (up) Expedition Conference  
  Notes PMID:6657825 Approved no  
  Call Number refbase @ user @ Serial 264  
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Author Hogan, D.E.; Zentall, T.R.; Pace, G. openurl 
  Title Control of pigeons' matching-to-sample performance by differential sample response requirements Type Journal Article
  Year 1983 Publication The American journal of psychology Abbreviated Journal Am J Psychol  
  Volume 96 Issue 1 Pages 37-49  
  Keywords Animals; Association; *Color Perception; Columbidae; Cues; *Discrimination Learning; Reinforcement Schedule; Time Factors  
  Abstract Pigeons were trained on a matching-to-sample task in which sample hue and required sample-specific observing behavior provided redundant, relevant cues for correct choices. On trials that involved red and yellow hues as comparison stimuli, a fixed-ratio 16 schedule (FR 16) was required to illuminate the comparisons when the sample was red, and a differential-reinforcement-of-low-rates 3-sec schedule (DRL 3-sec) was required when the sample was yellow. On trials involving blue and green hues as comparison stimuli, an FR 16 schedule was required when the sample was blue and a DRL 3-sec schedule was required when the sample was green. For some pigeons, a 0-sec delay intervened between sample offset and comparison onset, whereas other pigeons experienced a random mixture of 0-sec and 2-sec delay trials. Test trial performance at 0-sec delay indicated that sample-specific behavior controlled choice performance considerably more than sample hue did. Test performance was independent of whether original training involved all 0-sec delay trials or a mixture of 0-sec and 2-sec delays. Sample-specific observing response requirements appear to facilitate pigeons' matching-to-sample performance by strengthening associations between the observing response and correct choice.  
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  Series Volume Series Issue Edition  
  ISSN 0002-9556 ISBN Medium  
  Area (up) Expedition Conference  
  Notes PMID:6859346 Approved no  
  Call Number refbase @ user @ Serial 265  
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Author Nallan, G.B.; Pace, G.M.; McCoy, D.F.; Zentall, T.R. openurl 
  Title The role of elicited responding in the feature-positive effect Type Journal Article
  Year 1983 Publication The American journal of psychology Abbreviated Journal Am J Psychol  
  Volume 96 Issue 3 Pages 377-390  
  Keywords Animals; Color Perception; Columbidae; *Discrimination (Psychology); Male; Practice (Psychology); Reinforcement (Psychology); Time Factors  
  Abstract Hearst and Jenkins proposed in 1974 that elicited responding accounts for the feature-positive effect. To test this position, pigeons were exposed to a feature-positive or feature-negative discrimination between successively presented displays--one consisted of a red and a green response key and the other consisted of two green response keys. There were four main conditions: 5-5 (5-sec trials, 5-sec intertrial intervals), 5-30, 30-30, and 30-180. Conditions 5-30 and 30-180 should produce the largest amount of elicited responding, and therefore the largest feature-positive effects. A response-independent bird was yoked to each response-dependent bird to allow direct assessment of the amount of elicited responding generated by each condition. Contrary to the predictions by Hearst and Jenkins's theory, response-dependent birds showed large feature-positive effects in each condition. The largest feature-positive effect was obtained in condition 5-5. Response-independent birds produced similar results, but manifested low response rates.  
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  Series Volume Series Issue Edition  
  ISSN 0002-9556 ISBN Medium  
  Area (up) Expedition Conference  
  Notes PMID:6650707 Approved no  
  Call Number refbase @ user @ Serial 266  
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Author Berger J, openurl 
  Title Ecology and catastrophic mortality in wild horses: Implantations for interpreting fossil assemblages Type Journal Article
  Year 1983 Publication Abbreviated Journal Science 220  
  Volume Issue Pages 1403-1404  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 937  
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Author Hoffmann R, openurl 
  Title Social organization patterns of several Feral horse and Feral ass populations in Central Australia Type Journal Article
  Year 1983 Publication Abbreviated Journal Z Säugetierk  
  Volume 48 Issue Pages 124-126  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1190  
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Author Hoffmann R, openurl 
  Title The development of social behavior in immature males of a feral horse population Type Journal Article
  Year 1983 Publication Abbreviated Journal Diss Tübingen  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1191  
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Author Java Rl, openurl 
  Title Census of wild Ass Type Journal Article
  Year 1983 Publication Abbreviated Journal Tigerpaper  
  Volume 10 Issue Pages 23  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1218  
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Author Kaseda Y, openurl 
  Title Seasonal variations in heart rate and body temperature of Misaki horses Type Journal Article
  Year 1983 Publication Abbreviated Journal Proc Vth Wid Conf Anim Prod  
  Volume 2 Issue Pages 765-766  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1236  
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Author Lang Em, openurl 
  Title Die Somaliwildesel, Equus asinus somalicus, im Basler Zoo Type Journal Article
  Year 1983 Publication Abbreviated Journal Zool Garten NF  
  Volume 53 Issue Pages 73-80  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1337  
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Author Miller R, openurl 
  Title Habitat use of feral horses and cattle in Wyoming's Red Desert Type Journal Article
  Year 1983 Publication Abbreviated Journal J Range Mgmt  
  Volume 36 Issue Pages 195-199  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1395  
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