| Records |
| Author |
Zentall, S.S.; Zentall, T.R. |
| 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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English |
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| ISSN |
0033-2909 |
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| Notes |
PMID:6657825 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial  |
264 |
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| Author |
Hogan, D.E.; Zentall, T.R.; Pace, G. |
| 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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English |
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0002-9556 |
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| 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. |
| 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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0002-9556 |
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| Notes |
PMID:6650707 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
266 |
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| Author |
Baer, K.L.; Potter, G.D.; Friend, T.H.; Beaver, B.V. |
| Title |
Observation effects on learning in horses |
Type |
Journal Article |
| Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
11 |
Issue |
2 |
Pages |
123-129 |
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| Abstract |
Sixteen horses, divided into 2 groups of 8, were used to study observational learning in horses. One group served as controls while the other group served as the treated group (observers). Observers were allowed to watch a correctly performed discrimination task for 5 days prior to testing their learning response using the same task. Discrimination testing was conducted on all horses daily for 14 days, with criterion set at 7 out of 8 responses correct with the last 5 consecutively correct. The maximum number of trials performed without reaching criterion was limited to 20 per day. Mean trials to criteria (MT) by group were: control, 11.25; observer, 10.70. Mean error (ME) scores were: control, 2.37; observer, 2.02. Average initial discrimination error scores were 11.13 for control and 10.38 for observers (P < 0.10). Asymptote was reached by Day 8 for both control and observer groups. Analysis of variance with repeated measures showed an extreme-day effect indicative of learning (P < 0.01), with non-significant differences in learning rate between experimental groups. Whether the initial ability of the horses to perform a discrimination learning task was enhanced by observation of other horses' performance of that task was not obvious from these data. |
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Approved |
no |
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refbase @ user @ |
Serial |
726 |
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| Author |
Hinde, R.A. |
| Title |
A conceptural framework |
Type |
Book Chapter |
| Year |
1983 |
Publication |
Primate Social Relationships |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1-7 |
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| Publisher |
Sinauer, Sunderland |
Place of Publication |
Massechusetts |
Editor |
Hinde, R.A |
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Approved |
no |
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refbase @ user @ |
Serial |
818 |
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| Author |
Boyd, R.; Silk, J.B. |
| Title |
A method for assigning cardinal dominance ranks |
Type |
Journal Article |
| Year |
1983 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
31 |
Issue |
1 |
Pages |
45-58 |
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| Abstract |
Dominance hierarchies are widely described in nature. Commonly, an individual's ordinal rank is used as a measure of its position in the hierarchy, and, therefore its priority of access to resources. This use of ordinal ranks has several related drawbacks: (1) it is difficult to assess the magnitude or the significance of the difference in degree of dominance between two individuals; (2) it is difficult to evaluate the significance of differences between dominance matrices based on different behaviours or on the same behaviour at different times, and (3) it is difficult to use parametric statistical techniques to relate dominance rank to other quantities of interest. In this paper we describe a method for assigning cardinal dominance indices that does not suffer from these drawbacks. This technique is based on the Bradley-Terry model from the method of paired comparisons. We show how this model can be reinterpreted in terms of dominance interactions. and we describe a simple iterative technique for computing cardinal ranks. We then describe how to evaluate (1) whether the rank differences between individuals are significant, and (2) whether differences in the cardinal hierarchies based on different behaviours or the same behaviour at different times are significant. We then show how to generalize the method to deal with behaviours that sometimes have ambiguous outcomes, or behaviours for which the rank difference between a pair of individuals affects the rate of interaction between them. |
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no |
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refbase @ user @ |
Serial |
859 |
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| Author |
Becker C, |
| Title |
Grevy's zebra of Smburu Keya: Mother-infant behavior |
Type |
Manuscript |
| Year |
1983 |
Publication |
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Abbreviated Journal |
Yale Univ |
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Thesis |
Master's thesis |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
926 |
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| Author |
Berger J, |
| Title |
Ecology and catastrophic mortality in wild horses: Implantations for interpreting fossil assemblages |
Type |
Journal Article |
| Year |
1983 |
Publication |
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Abbreviated Journal |
Science 220 |
| Volume |
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Issue |
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Pages |
1403-1404 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
937 |
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| Author |
Berger J, |
| Title |
Predation, sex ratios, and male competition in equids |
Type |
Journal Article |
| Year |
1983 |
Publication |
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Abbreviated Journal |
J Zool Lond |
| Volume |
201 |
Issue |
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Pages |
205-216 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
939 |
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| Author |
BERGER J et al, |
| Title |
Chemical restraint of wild horses: Effects on reproduction and social structure |
Type |
Journal Article |
| Year |
1983 |
Publication |
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Abbreviated Journal |
J Wildl Diseases |
| Volume |
19 |
Issue |
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Pages |
265-268 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
941 |
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