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  • 1930-1934  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Psychological research 13 (1930), S. 128-134 
    ISSN: 1430-2772
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Psychological research 14 (1931), S. 183-198 
    ISSN: 1430-2772
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Description / Table of Contents: Zusammenfassung 1. Wir maßen Farb- und Helligkeitsschwellen auf neutralen Feldern, indem wir innerhalb solcher Felder Ringe entstehen ließen, die sich entweder durch Farbe oder durch Helligkeit von ihnen abhoben. 2. Unter diesen Bedingungen erwies sich die Farbschwelle abhängig von „Transformation“. Von zwei äquivalenten (reduktionsgleichen) Feldern besitzt das dunkel aussehende die niedrigere Farbschwelle. 3. Unter den gleichen Bedingungen erwies sich die Helligkeitsschwelle unabhängig von Transformation (Bestätigung von Katz). 4. Es gelang uns nicht, die Farbschwelle eines neutralen Feldes durch bloßen Kontrast zu verändern, d. h. dadurch, daß wir es mit einem helleren oder dunkleren Feld umgaben.
    Notes: Summary 1. We measured colour- and brightness thresholds on neutral fields by producing within these fields rings different either in colour or brightness. 2. Under these conditions the colour threshold was found to depend upon the effect of “transformation”. Of two equivalent fields the one looking dark had a lower colour threshold than the one looking bright. 3. Under the same conditions the brightness thresholds proved to be independent of transformation (confirmation of Katz). 4. Lastly, we could not change the colour threshold of a neutral field by mere contrast, i. e. by surrounding it by a darker or brighter field.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 44 (1931), S. 263-264 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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