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Author |
Krzeminska, W. |
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Title |
[The child learns about the world] |
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Journal Article |
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Year |
1979 |
Publication |
Pielegniarka i polozna |
Abbreviated Journal |
Pieleg Polozna |
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Volume |
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Issue |
7 |
Pages |
24-25 |
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Keywords |
Child; *Child Development; Child, Preschool; Humans; *Learning |
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Polish |
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Original Title |
Dziecko poznaje swiat |
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ISSN |
0048-4148 |
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PMID:260249 |
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Call Number |
refbase @ user @ |
Serial |
43 |
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Author |
Nallan, G.B.; Pace, G.M.; McCoy, D.F.; Zentall, T.R. |
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Title |
Temporal parameters of the feature positive effect |
Type |
Journal Article |
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Year |
1979 |
Publication |
The American journal of psychology |
Abbreviated Journal |
Am J Psychol |
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Volume |
92 |
Issue |
4 |
Pages |
703-710 |
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Keywords |
Animals; Columbidae; Conditioning, Operant; *Discrimination Learning; Form Perception; Male; *Time Perception |
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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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English |
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ISSN |
0002-9556 |
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Notes |
PMID:532834 |
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Call Number |
refbase @ user @ |
Serial |
269 |
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Author |
Duncan, P.; Vigne, N. |
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Title |
The effect of group size in horses on the rate of attacks by blood-sucking flies |
Type |
Journal Article |
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Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
27 |
Issue |
Part 2 |
Pages |
623-625 |
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763 |
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Author |
Gates, S. |
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Title |
A Study of home ranges of free ranging Exmoore ponies |
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Journal Article |
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Year |
1979 |
Publication |
Mammal Revision |
Abbreviated Journal |
Mamm. Rev. |
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Volume |
9 |
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Pages |
:3-18 |
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refbase @ user @ |
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765 |
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Author |
Clutton-Brock, T.H.; Albon, S.D.; Gibson, R.M.; Guinness, F.E. |
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Title |
The logical stag: Adaptive aspects of fighting in red deer (Cervus elaphus L.) |
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Journal Article |
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Year |
1979 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
27 |
Issue |
Part 1 |
Pages |
211-225 |
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Abstract |
For red deer stags, fighting both has appreciable costs and yields considerable benefits. Up to 6% of rutting stags are permanently injured each year, while fighting success and reproductive success are closely related, within age groups as well as across them. Fighting behaviour is sensitive to changes in the potential benefits of fighting: stags fight most frequently and most intensely where potential benefits are high and tend to avoid fighting with individuals they are unlikely to beat. The relevance of these findings to theoretical models of fighting behaviour is discussed. |
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no |
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Call Number |
refbase @ user @ |
Serial |
860 |
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Author |
Asa, C.S.; Goldfoot, D.A.; Ginther, O.J. |
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Title |
Sociosexual behavior and the ovulatory cycle of ponies (Equus caballus) observed in harem groups |
Type |
Journal Article |
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Year |
1979 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
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Volume |
13 |
Issue |
1 |
Pages |
49-65 |
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Abstract |
Observations of sociosexual behavior of adult ponies, made on two harem groups (each comprised of one vasectomized male and three females), were correlated with follicular development and ovulation for a total of 15 cycles (minimum of 2 cycles per female). Mean cycle length (interovulatory interval) was found to be 19.7 days, with behavioral estrus lasting 7-8 days (5.5 days preovulatory; 2.3 days postovulatory). Estrous females typically showed increased frequencies of approaching and following the stallion, urinating, presenting, clitoral winking, and tail raising. Approaching and following the stallion appeared earlier and persisted longer than other estrous responses. Deviations from the modal estrous pattern included cycles with subestrus, continual estrus, behavioral estrus in the absence of ovulation, and displays of female mounting. Dominance tests revealed that a mare's status was unaffected by the phases of the estrous cycle. The presence of more than one estrous female affected the copulatory performance of both stallions, most notably in reduced latencies to first mount, intromission, and ejaculation, in spite of differences between the stallions in sexual vigor. Each stallion usually selected the dominant mare for copulation when there were multiple estrous females present, but mounts were not displayed exclusively to one female per test. The social testing situation made apparent the importance of use of space in sociosexual communication in this species, particularly in avoidance of the stallion by diestrous mares and standing alone or in proximity to him by estrous mares. |
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ISSN |
0018-506x |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5363 |
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Author |
Boy V, D.P. |
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Title |
Time-budgets of Camargue horses, I. Development changes in the time-budgets of foals |
Type |
Journal Article |
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Year |
1979 |
Publication |
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Abbreviated Journal |
Behaviour |
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Volume |
71 |
Issue |
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Pages |
187-202 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
966 |
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Author |
Boyd L, |
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Title |
The mare-foal demography of feral horses in Wyoming's Red Desert |
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Journal Article |
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Year |
1979 |
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Abbreviated Journal |
Symp Ecolo and Behav of wild and feral Equids, Laramie |
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Pages |
185-204 |
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Place of Publication |
Laramy |
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Notes |
from Professor Hans Klingels Equine Reference List |
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967 |
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Author |
Conley W, |
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Title |
The potential for increase in horse and ass populations: A theoretical analysis |
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Journal Article |
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Year |
1979 |
Publication |
Proceedings of a Conference on the Ecology and Behavior of Feral Equids |
Abbreviated Journal |
Symp Ecol and Behav of wild and feral Equids, Laramie |
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221-234 |
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R.H. Denniston |
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Notes |
from Professor Hans Klingels Equine Reference List |
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991 |
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Author |
Denniston, R.H. |
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Title |
The varying role of the male in feral horses |
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Journal Article |
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Year |
1979 |
Publication |
Symp Ecol and Behav of wild and feral Equids, Laramie, |
Abbreviated Journal |
Symp Ecol and Behav of wild and feral Equids, Laramie, |
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93-98 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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1007 |
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