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  • 1
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    Unknown
    Smiling As A Measure of Teacher Effectiveness. (1955)
    Bloomington, Ill. : Periodicals Archive Online (PAO)
    Journal of Educational Research. 48:9 (1955:May) 715 
    Details
    ISSN: 0022-0671
    Topics: Education
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1123-1955-009-00-000011
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  • 2
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    Books and Authors: RACE AND IQ, JENSEN II, DEJA VU (1980)
    Boston, Mass., etc. : Periodicals Archive Online (PAO)
    The North American Review. 265:3 (1980:Sept.) 66 
    Details
    ISSN: 0029-2397
    Topics: English, American Studies , History
    Notes: DEPARTMENTS
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3197-1980-265-03-000019
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  • 3
    Electronic Resource
    Electronic Resource
    Intelligence tests may favour the majority groups in a population (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 708-709 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have previously suggested that the existence of genetic environmental interactions1 could affect item selection in the construction of intelligence tests using interaction in its precise technical sense in the analysis of variance. Most other available data disagree2, but are correlational ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/258708a0
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  • 4
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    Letters (1991)
    New York, N. Y. : Periodicals Archive Online (PAO)
    Commentary. 92:2 (1991:Aug.) 4 
    Details
    ISSN: 0010-2601
    Topics: General, Interdisciplinary , Theology and Religious Studies
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1064-1991-092-02-000008
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  • 5
    Electronic Resource
    Electronic Resource
    Open-field behavior in the Maudsley reactive and nonreactive strains: Procedural variations (1983)
    Springer
    Behavior genetics 13 (1983), S. 91-94 
    Details
    ISSN: 1573-3297
    Keywords: Maudsley strains ; open-field behavior ; diurnal cycle ; emotionality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract Procedural differences were examined to account for interlaboratory discrepancies in open-field defecation (OFD) scores of the Maudsley reactive and Maudsley nonreactive strains. It was found that the use of a continuous 24-h light diurnal cycle was associated with increased OFD in Maudsley reactive and nonreactive rats. If a 15-h light/9-h dark diurnal cycle was used, OFD scores typical of the progenitors of the Maudsley strains were obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01071746
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  • 6
    Electronic Resource
    Electronic Resource
    MR/Har and MNRA/Har Maudsley rat strains: Differences in acoustic startle habituation (1988)
    Springer
    Behavior genetics 18 (1988), S. 663-669 
    Details
    ISSN: 1573-3297
    Keywords: Maudsley rat strains ; response habituation ; acoustic startle ; anxiety ; emotionality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract Female Maudsley Reactive (MR/Har) and Nonreactive (MNRA/Har) rats were tested for initial acoustic startle reactivity and within-session startle habituation. Subjects were exposed in each of five weekly sessions to 12 acoustic startle noise bursts at a 20-s interstimulus interval, a procedure in which genetically heterogeneous Sprague Dawley rats have been shown to exhibit robust within-session habituation. Although initial startle reactivity was comparable in the two strains, significant differences in withinssession habituation were observed. Specifically, MR/Har rats were observed to exhibit substantial within-session habituation to these acoustic stimuli, while rats of the MNRA/Har strain exhibited little, if any, habituation to these repeated acoustic stimuli. The basis for this dramatic difference in within-session startle habituation in these Maudsley rats is at present unexplained and under investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01066848
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  • 7
    Electronic Resource
    Electronic Resource
    The har strains of rats: Origins and characteristics (1981)
    Springer
    Behavior genetics 11 (1981), S. 445-468 
    Details
    ISSN: 1573-3297
    Keywords: rat ; inbred strains ; behavioral selection ; coat genes ; alloantigenic alleles ; characteristic behaviors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract Origins of the principal lines ofRattus norvegicus used in behavior genetic research are identified. Broad descriptions are provided for 15 of the Har strains and substrains of well-established inbred lines and behaviorally selected stocks. Marker genes are identified for coat and major histocompatibility complex (MHC) loci. Detailed characteristics are summarized for 12 of these lines using a comprehensive behavioral test battery composed of a variety of measures of expressive behavior, learning, and physiological characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01070003
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  • 8
    Electronic Resource
    Electronic Resource
    Benzodiazepine anti-conflict effects in maudsley reactive (MR/Har) and non-reactive (MNRA/Har) rats (1990)
    Springer
    Psychopharmacology 100 (1990), S. 287-292 
    Details
    ISSN: 1432-2072
    Keywords: MR/Har and MNRA/Har Maudsley rat strains ; Conflict behavior ; Anxiety ; Alprazolam ; Diazepam ; Benzodiazepines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The Maudsley Reactive (MR/Har) and Non-Reactive (MNRA/Har) rat strains, bred originally by Broadhurst for differences in Open Field Defecation, also differ in their control (i.e., non-drug) behavior in the Conditioned Suppression of Drinking (CSD) conflict procedure, a second “model” behavior for the study of anxiety and/or emotionality in rats. The present studies compared the effects of diazepam and alprazolam on CSD behavior in these two strains of rats. In daily 10-min sessions, water-deprived rats were trained to drink from a tube that was occasionally electrified (0.2–0.5 mA), electrification being signaled by a tone. Both diazepam and alprazolam increased punished responding in a dose-related manner. The per cent increase in punished responding (for diazepam only) was comparable in the two strains; however, both statistical and empirical approaches indicated that the magnitude of the anti-conflict effect of benzodiazepines in MNRA/Har versus MR/Har rats was not related to differences in baseline (i.e., non-drug) punished responding. Based on the absolute change in shocks received, rats of the MNRA/Har strain exhibited a significantly greater anti-conflict effect following diazepam or alprazolam treatment than did rats of the MR/Har strain. These findings further the hypothesis that the behavioral differences exhibited by Maudsley MR/Har and MNRA/Har rat strains may constitute a genetically-based “animal model” for the study of emotionality and/or anxiety.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02244595
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  • 9
    Electronic Resource
    Electronic Resource
    Psychological testing, IQ, and evolutionary fitness (1997)
    Springer
    Genetica 99 (1997), S. 113-123 
    Details
    ISSN: 1573-6857
    Keywords: evolutionary fitness ; intelligence ; metric characters ; psychometric methods ; race
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Individual, group, and ethnic differences in behavior have been an object of long, continuing, and contentious interest, both in the sciences and in popular culture. For well over 2,000 years, psychological traits, particularly those described as ‘intelligence’, have generally been considered the major factors in fitness in humans. After reviewing contemporary scientific thinking on intelligence, the psychometric methods used for the construction of psychological tests are presented and examined in the context of natural selection and metric characters. There are essential differences between the disciplines of genetics and of psychology such that the concepts of the two are more divergent than might superficially appear to be the case. The analysis leads to the conclusion that standard psychometric methodology cannot yield tests appropriate for measurement of evolutionary fitness characters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018337915759
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  • 10
    Electronic Resource
    Electronic Resource
    Psychological testing, IQ, and evolutionary fitness (1997)
    Springer
    Genetica 99 (1997), S. 113-123 
    Details
    ISSN: 1573-6857
    Keywords: evolutionary fitness ; intelligence ; metric characters ; psychometric methods ; race
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Individual, group, and ethnic differences in behavior have been an object of long, continuing, and contentious interest, both in the sciences and in popular culture. For well over 2,000 years, psychological traits, particularly those described as ‘intelligence’, have generally been considered the major factors in fitness in humans. After reviewing contemporary scientific thinking on intelligence, the psychometric methods used for the construction of psychological tests are presented and examined in the context of natural selection and metric characters. There are essential differences between the disciplines of genetics and psychology such that the concepts of the two are more divergent than might superficially appear to be the case. The analysis leads to the conclusion that standard psychometric methodology cannot yield tests appropriate for measurement of evolutionary fitness characters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02259515
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