The logic of the normal law of error in mental measurement

[51] SHANKS W, 1873, P ROYS SOC, V21, P319

[52] STUMPF C, 1892, SITZUNGSBER BAYR AKA, V41, P61

[53] STUMPF C, 1892, SITZUNGSBER BAYR AKA, P37

[54] TITCHENER EB, 1905, EXPT PSYCHOL QUANTIT, V19

[55] Todhunter I., 1865, HIST MATH THEORY PRO

[56] TRABUE MR, 1916, COMPLETION TEST LANG, P29

[57] URBAN, 1909, ARCH GES PSYCHOL, V16, P224

[58] URBAN, 1910, ARCH GES PSYCHOL, V18, P400

[59] URBAN, 1910, PSYCHOL REV, V17, P242

[60] URBAN FM, 1911, VIERTELJAHRSCHRIFT W, V35, P1

[51] SHANKS W, 1873, P ROYS SOC, V21, P319

[52] STUMPF C, 1892, SITZUNGSBER BAYR AKA, V41, P61

[53] STUMPF C, 1892, SITZUNGSBER BAYR AKA, P37

[54] TITCHENER EB, 1905, EXPT PSYCHOL QUANTIT, V19

[55] Todhunter I., 1865, HIST MATH THEORY PRO

[56] TRABUE MR, 1916, COMPLETION TEST LANG, P29

[57] URBAN, 1909, ARCH GES PSYCHOL, V16, P224

[58] URBAN, 1910, ARCH GES PSYCHOL, V18, P400

[59] URBAN, 1910, PSYCHOL REV, V17, P242

[60] URBAN FM, 1911, VIERTELJAHRSCHRIFT W, V35, P1