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  • 1
    Electronic Resource
    Electronic Resource
    MODERATOR RESEARCH AND THE LAW OF SMALL NUMBERS (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Personnel psychology 31 (1978), S. 0 
    Details
    ISSN: 1744-6570
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: The thesis of this paper is that many proposed moderators in personnel psychology are probably illusory, having been created solely by belief in the law of small numbers. Evidence is presented that race as a moderator of test validity is one such illusory moderator. In addition, a model for validity generalization is described which, in addition to eliminating the need for criterion-related validity studies under certain circumstances, strongly calls into question the idea that situations moderate test validity, i.e., the traditional doctrine of situational specificity of test validities. Calculations are presented which show that adequate statistical power in moderator research requires much larger sample sizes than have typically been employed. This requirement is illustrated empirically using validity data for the Army Classification Battery for 35 jobs and 21,000 individuals. These analyses show that (1) even when a moderator is generally assumed to be large, large samples are required to gauge its effect reliably and (2) large sample research may show that moderators that appear plausible and important a priori are nonexistent or trivial in magnitude. The practice of pooling across numerous small sample studies to obtain statistical power equivalent to that of large sample studies is recommended. In light of the evidence that many proposed moderators may not exist, the authors hypothesize that the true structure of underlying relationships in personnel psychology is considerably simpler than personnel psychologists have generally imagined it to be.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-6570.1978.tb00441.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    PERSONALITY, INTEGRITY, AND WHITE COLLAR CRIME: A CONSTRUCT VALIDITY STUDY (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Personnel psychology 46 (1993), S. 0 
    Details
    ISSN: 1744-6570
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: This study examined the construct validity of personality scales, a personality-based integrity test, and homogenous biodata scales as reflected in their ability to discriminate white collar criminals from other white collar employees. The sample included 365 prison inmates incarcerated in 23 federal correctional institutions for white collar offenses, and 344 individuals employed in upper-level positions of authority. A cross-validated linear discriminant function (DF) based on 16 variables selected in the developmental sample produced a large difference (1.83 standard deviation units) between the two sample groups. The pattern of score differences revealed the offenders as having greater tendencies toward irresponsibility, lack of dependability, and disregard of rules and social norms. This study indicates that there are large and measurable psychological differences between white collar offenders and nonoffenders, and that the major construct underlying these differences is “social conscientiousness.” The best measure of this difference was a personality-based integrity test.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-6570.1993.tb00875.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    JOB SAMPLE VS. PAPER-AND-PENCIL TRADES AND TECHNICAL TESTS: ADVERSE IMPACT AND EXAMINEE ATTITUDES (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Personnel psychology 30 (1977), S. 0 
    Details
    ISSN: 1744-6570
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: The adverse impact of a content-valid job sample test of metal trades skills was compared to that of a well-constructed content-valid written achievement test for the same technical area. The adverse impact of the former was considerably less. In addition, both minority and majority examinees saw the job sample tests as significantly fairer, clearer, and more appropriate in difficulty level. These differences were not only statistically significant but also quite large. These were no significant differences between minority and majority attitudes toward either test. In light of these results, it is suggested that industrial psychologists should explore more fully the potential of performance testing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-6570.1977.tb02088.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    FURTHER TESTS OF THE SCHMIDT-HUNTER BAYESIAN VALIDITY GENERALIZATION PROCEDURE (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Personnel psychology 32 (1979), S. 0 
    Details
    ISSN: 1744-6570
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: Using an improved version of the Bayesian validity generalization model presented in Schmidt and Hunter (1977), this study showed that most of the between-study variation in observed validity coefficients of various aptitude and ability tests for two types of clerical work and for the job of first-line supervisor is artifactual in nature. These results cast additional doubt on the traditional belief that employment test validities are situationally specific. In addition, the results showed that generalization of validities to new settings was justified even where the hypothesis of situational specificity could not be rejected under the standards used in this study. Implications for the use of aptitude and ability tests in selection and for theory development in industrial-organizational psychology are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-6570.1979.tb02134.x
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    Paper (German National Licenses)
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  • 5
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    RESEARCH NOTES AND COMMUNICATIONS (1975)
    Chicago : Periodicals Archive Online (PAO)
    Journal of marketing research. 12:3 (1975:Aug.) 347 
    Details
    ISSN: 0022-2437
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:b178-1975-012-03-000012
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Card shuffling and a transformation on S n (1992)
    Springer
    Aequationes mathematicae 44 (1992), S. 11-34 
    Details
    ISSN: 1420-8903
    Keywords: 05A05
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary We consider two card shuffling schemes. The first, which has appeared in the literature previously ([G], [RB], [T]), is as follows: start with a deck ofn cards, and pick a random tuplet ∈ { 1, 2, ⋯, n} n ; interchange cards 1 andt 1, then interchange cards 2 andt 2, etc. The second scheme, which can be viewed as a transformation on the symmetric groupS n , is given by the restriction of the former shuffling scheme to tuplest which form a permutation of {1, 2,⋯,n}. We determine the bias of each of these shuffling schemes with respect to the sets of transpositions and derangements, and the expected number of fixed points of a permutation generated by each of these shuffling schemes. For the latter scheme we prove combinatorially that the permutation which arises with the highest probability is the identity. The same question is open for the former scheme. We refute a candidate answer suggested by numerical evidence [RB].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01834201
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Electrophysiological and chemical analysis of sex pheromone communication system of the mottled umber,Erannis defoliaria (Lepidoptera: Geometridae) (1990)
    Springer
    Journal of chemical ecology 16 (1990), S. 1887-1897 
    Details
    ISSN: 1573-1561
    Keywords: Erannis defoliaria (Z,Z,Z)-3,6,9-nonadecatriene ; (Z,Z)-3,9-cis-6,7-epoxy-nonadecadiene ; sex pheromone ; identification ; electroantennogram ; single sensillum ; peripheral inhibitor ; Agriopis marginaria ; Colotois pennaria ; Lepidoptera ; Geometridae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (Z,Z,Z)-3,6,9-nonadecatriene (Z3,Z6,Z9–19Hy) and (Z,Z)-3,9-cis-6,7-epoxy-nonadecadiene (Z3,Z9-cis-6,7-epo-19Hy) were identified in pheromone gland extracts from femaleErannis defoliaria. The two components were found in a 1∶3 ratio, with the main component,Z3,Z9-cis-6,7-epo-19Hy present at an amount of about 1.5 ng per female. The components were identified by means of gas chromatography-mass spectrometry, gas chromatography-electroantennography and gas chromatography-single sensillum recordings. Single sensillum measurements on the male antenna showed two physiological types of sensilla. One type was characterized by a large spike amplitude cell responding toZ3,Z9-cis-6,7-epoxy-19Hy and a small spike amplitude cell responding toZ3,Z6,Z9–19Hy. A second type responded only with a large spike amplitude cell to the epoxide, and this cell was inhibited by the triene. Of the two pheromone components, the epoxide gave the higher response in the EAG tests. Preliminary field tests support the identification of the pheromone components. The epoxide was also found to be present in the extract of the pheromone gland ofColotois pennaria, and males ofC. pennaria andAgriopis marginaria were trapped by the mixture of the identified compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020502
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Nachweis der Partikelabscheidung auf Oberflächen mit Hilfe chemischer Reaktionen (1991)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 63 (1991), S. 276-277 
    Details
    ISSN: 0009-286X
    Keywords: Aerosol ; submikron ; Größe ; Nachweis ; Partikel-Deposition ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330630328
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    Paper (German National Licenses)
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  • 9
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    Discrete Transparent Boundary Conditions for the Numerical Solution of Fresnel's Equation. (1993)
    Details
    Publication Date: 2022-07-07
    Description: The paper presents a construction scheme of deriving transparent , i. e. reflection-free, boundary conditions for the numerical solution of Fresnel's equation (being formally equivalent to Schrödinger's equation). These boundary conditions appear to be of a nonlocal Cauchy type. As it turns out, each kind of linear implicit discretization induces its own discrete transparent boundary conditions.
    Keywords: ddc:000
    Language: English
    Type: reportzib , doc-type:preprint
    Format: application/postscript
    Format: application/pdf
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    OPUS
  • 10
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    An Adaptive Approach to the Numerical Solution of Fresnel's Wave Equation. (1991)
    Details
    Publication Date: 2022-07-07
    Description: An adaptive approach to the numerical solution of the wave propagation in integrated optics devices with 1D cross sections is described. First, Fresnel's approximation of the exact wave equation resulting from Maxwell's equations is considered. A criterion to estimate the validity of this approximation is derived. Fresnel's wave equation being formally equivalent to Schroedinger's equation uniquely defines an initial-boundary-value problem, which is solved numerically by a stepwise calculation of the propagating field. Discretization in longitudinal direction first with stepsize control leads to a stationary subproblem for the transversal field distribution, which is then handled by an adaptive finite element method. Thus full adaptivity of the algorithm is realized. The numerical examples are concentrated on taper structures playing an essential role in integrated optics devices for telecommunication systems.
    Keywords: ddc:000
    Language: English
    Type: reportzib , doc-type:preprint
    Format: application/pdf
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    OPUS
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