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  1. 41008381010
    Author(s):Hartman, G. W.
    Title:*Precision and accuracy [Columbia Univ.]
    Subject(s):Mental test Special abilities
    Pagination:42p.
    Place of Publication:N. Y.
    Date of Publication:1928
    Size:8°.
    Language:English
    Type of Resource:Dissertation
    Series/Volume/Page:Series 4/Volume 10/Page 838
  2. 41008381030
    Author(s):Seward, G. H.
    Title:*Recognition time as a measure of confidence; an experimental study of redintegration [Columbia Univ.]
    Subject(s):Mental test Special abilities
    Pagination:55p.
    Place of Publication:N. Y.
    Date of Publication:1928
    Size:8°.
    Language:English
    Type of Resource:Dissertation
    Series/Volume/Page:Series 4/Volume 10/Page 838
  3. 41008381700
    Author(s):Smith, G. M. jr.
    Title:*Group factors in mental tests similar in material or in structure [Columbia Univ.]
    Subject(s):Mental test Variation
    Pagination:56p.
    Place of Publication:N. Y.
    Date of Publication:1933
    Size:8°.
    Language:English
    Type of Resource:Dissertation
    Series/Volume/Page:Series 4/Volume 10/Page 838