Cooperative versus individual efficiency in problem-solving

[11] HUTLOCK EB, 1942, CHILD DEV NEW YORK

[12] KATZ D, 1940, FIELDS PSYCHOL, pCH6

[13] The applicability of the Spearman-Brown formula for the measurement of reliability [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1925, 16 : 300 - 303

[14] Knight H. C., 1921, THESIS COLUMBIA U

[15] Leuba C., 1933, J COMP PSYCHOL, V16, P367

[16] MALLER JB, 1929, TEACH COLL CONTRIB E, V384, P176

[17] MAY MA, 1937, NEW YORK SOC SCI RES, V25, P191

[18] AN INVESTIGATION OF ABILITY IN WORK IN GROUPS AND IN ISOLATION [J]. BRITISH JOURNAL OF PSYCHOLOGY-GENERAL SECTION, 1940, 30 : 352 - 356

[19] MURPHY G, 1937, EXPT SOCIAL PSYCHOL, P1121

[20] Note on the reliability and the validity of the group judgment [J]. JOURNAL OF EXPERIMENTAL PSYCHOLOGY, 1938, 22 : 462 - 471

[11] HUTLOCK EB, 1942, CHILD DEV NEW YORK

[12] KATZ D, 1940, FIELDS PSYCHOL, pCH6

[13] The applicability of the Spearman-Brown formula for the measurement of reliability [J]. JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1925, 16 : 300 - 303

[14] Knight H. C., 1921, THESIS COLUMBIA U

[15] Leuba C., 1933, J COMP PSYCHOL, V16, P367

[16] MALLER JB, 1929, TEACH COLL CONTRIB E, V384, P176

[17] MAY MA, 1937, NEW YORK SOC SCI RES, V25, P191

[18] AN INVESTIGATION OF ABILITY IN WORK IN GROUPS AND IN ISOLATION [J]. BRITISH JOURNAL OF PSYCHOLOGY-GENERAL SECTION, 1940, 30 : 352 - 356

[19] MURPHY G, 1937, EXPT SOCIAL PSYCHOL, P1121

[20] Note on the reliability and the validity of the group judgment [J]. JOURNAL OF EXPERIMENTAL PSYCHOLOGY, 1938, 22 : 462 - 471