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The Journal of Psychology
Interdisciplinary and Applied
Volume 63, 1966 - Issue 2
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Original Articles

Differential Effects of Coffee on Speed and Power Tests

G. A. Lienert Psychological Department, University of Düsseldorf, Germany
&
H. P. Huber Psychological Department, University of Düsseldorf, Germany
Pages 269-274 | Published online: 04 Nov 2012

References

  • Amthauer , R. 1955 . Der Intelligenzstrukturtest (1ST), , 2nd ed. Göttingen : Hogrefe. .
  • De Boor , W. 1956 . Pharmakopsychologie und Psychopathologie Berlin : Springer. .
  • Düker , H. and Lienert , G. A. 1959 . Konzentrationsleistungstest (KLT) Göttingen : Hogrefe. .
  • Eichler , O. 1938 . Kaffee und Coffein Berlin : Springer. .
  • Eysenck , H. J. 1947 . Dimensions of Personality London : Routledge. .
  • Gilliland , A. R. and Nelson , D. 1939 . The effects of coffee on certain mental and physiological functions . J. Gen. Psychol. , 21 : 339 – 348 .
  • Lienert , G. A. 1960 . Die Faktorenstruktur der Intelligenz als Funktion des Intelligenzniveaus. Bericht über den 22. Kongress der Deutschen Gesellschaft für Psychologie in Heidelberg, 1959 Göttingen : Hogrefe. .
  • Lienert , G. A. and Ebel , O. 1960 . Ein Index zur numerischen Bestimmung der Niveau-Eigenschaft eines psychologischen Tests . Metrika , 3 : 117 – 127 .
  • Lord , F. M. 1956 . A study of speed factors in tests and academic grades . Psychometrika , 21 : 31 – 50 .
  • Thurstone , L. L. 1944 . The Vectors of Mind Chicago : Univ. Chicago Press. .
  • Thurstone , L. L. 1947 . Multiple Factor Analysis Chicago : Univ. Chicago Press. .

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