1 This study was part of the Spokane Dropout Study financed by the State Department of Public Instruction in Olympia, Washington, and directed by Lloyd B. Urdal, Department of Education, Washington State University.
2.
Carroll, J. B. in The Fifth Mental Measurements Yearbook, edited by Oscar K. Buros, Highland Park, New Jersey: Gryphon Press, 1959.
3.
Cattell, R. B. and Tiner, L. G. "The Varieties of Structural Rigidity." Journal of Personality, XVII (1949 ), 321-341.
4.
Christensen, P. R., Guilford, J. P., and Wilson, R. C. " Relations of Creative Responses to Working Time and Instructions ." Journal of Experimental Psychology, LIII (1957), 82-88.
5.
Frederiksen, N. in The Fifth Mental Measurements Yearbook, edited by Oscar K. Buros, Highland Park, New Jersey: Gryphon Press, 1959.
6.
Guetzkow, H. "An Analysis of the Operation of Set in ProblemSolving Behavior." Journal of General Psychology , XLV (1951), 219-244.
7.
Guilford, J. P."Creative Thinking Abilities of Ninth-Grade Students."A paper read at the convention of the American Educational Research Association in Chicago, February 24, 1961.
8.
Guilford, J. P., Frick, J. W., Christensen, P. R., and Merrifield, P. R."A Factor-Analytic Study of Flexibility in Thinking." Reports from the Psychological Laboratory No. 18; University of Southern California, April, 1957.
9.
Guilford, J. P., Kettner, N. W., and Christensen, P. R."A Factor-Analytic Study Across the Domains of Reasoning, Creativity, and Evaluation: II. Administration of Tests and Analysis of Results." Reports from the Psychological Laboratory No. 16; University of Southern California, March, 1956.
10.
Guilford, J. P., Wilson, R. C., and Christensen, P. R."A Factor-Analytic Study of Creative Thinking: II. Administration of Tests and Analysis of Results." Reports from the Psychological Laboratory No. 8; University of Southern California, July, 1952.
11.
Harris, C. W. "Some Rao-Guttman Relationships ." Psychometrika, XXVII (1962), 247-263.
12.
Kleemeier, R. W. and Dudek, F. J. "A Factorial Investigation of Flexibility." EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, X (1950), 107-118.
13.
Luchins, A. S."Mechanization in Problem Solving, The Effect of Einstellung."Psychological Monographs, LIV (1942), No. 6 (Whole No. 238).
14.
Oliver, J. A. and Ferguson, G. A. "A Factorial Study of Tests of Rigidity." Canadian Journal of Psychology, V ( 1951), 49-59.
15.
Ripple, R. E. and May, F. B. "Caution in Comparing Creativity and IQ." Psychological Reports, X ( 1962), 229-230.
16.
Torrance, E. P. "Creative Thinking of Children ." Journal of Teacher Education, XIII (1962), 448-460.
17.
Torrance, E. P. "Testing and Creative Talent ." Educational Leadership, XX (1962), 7-10+.
18.
Torrance, E. P., Yamamoto, K., Schenetzki, D., Palamutlu, N., and Luther, B.Assessing The Creative Thinking Abilities of Children . Bureau of Educational Research, College of Education, University of Minnesota, 1960.
19.
Wilson, R. C., Christensen, P. R., Merrifield, P. R., and Guilford, J. P."Alternate Uses: Form A: Manual of Administration, Scoring and Interpretation (Preliminary Edition)."Beverly Hills, California: Sheridan Supply Company, 1960.
20.
Wilson, R. C., Guilford, J. P., and Christensen, P. R., "The Measurement of Individual Differences in Originality." Psychological Bulletin, (1953), 362-370.