12 found
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Helen L. Koch [10]Helen Koch [2]
  1.  23
    Using Caffeine Pills for Performance Enhancement. An Experimental Study on University Students’ Willingness and Their Intention to Try Neuroenhancements.Ralf Brand & Helen Koch - 2016 - Frontiers in Psychology 7.
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  2.  9
    The influence of extraneous controls in the learning process.Harvey Carr & Helen Koch - 1919 - Psychological Review 26 (4):287-293.
  3.  9
    Harvey A. Carr: 1873-1954.Helen L. Koch - 1955 - Psychological Review 62 (2):81-82.
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  4.  9
    Propaganda: Its Psychology and Technique. L. W. Doob.Helen L. Koch - 1936 - International Journal of Ethics 46 (4):515-517.
  5.  4
    Principles of Abnormal Psychology. Edmund S. Conklin.Helen L. Koch - 1936 - International Journal of Ethics 47 (1):120-121.
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  6.  22
    Readings in Mental Hygiene. Ernest R. Groves, Phyllis Blanchard.Helen L. Koch - 1936 - International Journal of Ethics 47 (1):119-120.
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  7.  14
    Social Psychology. Ellis Freeman.Helen L. Koch - 1937 - International Journal of Ethics 47 (2):253-255.
  8.  5
    Review of Ernest R. Groves and Phyllis Blanchard: Readings in Mental Hygiene[REVIEW]Helen L. Koch - 1936 - International Journal of Ethics 47 (1):119-120.
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  9.  22
    Book Review:Propaganda: Its Psychology and Technique. L. W. Doob. [REVIEW]Helen L. Koch - 1936 - International Journal of Ethics 46 (4):515-.
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  10.  8
    Book Review:Readings in Mental Hygiene. Ernest R. Groves, Phyllis Blanchard. [REVIEW]Helen L. Koch - 1936 - International Journal of Ethics 47 (1):119-.
  11.  5
    Book Review:Principles of Abnormal Psychology. Edmund S. Conklin. [REVIEW]Helen L. Koch - 1936 - International Journal of Ethics 47 (1):120-.
  12.  10
    Book Review:Social Psychology. Ellis Freeman. [REVIEW]Helen L. Koch - 1937 - International Journal of Ethics 47 (2):253-.