Cattell, Raymond G.Sixteen Personality Factor Questionnaire. Champaign: Institute for Personality and Ability Testing, 1962.
2.
Ryans, David G.Teacher Characteristics Schedule, Form E 54. Washington: American Council on Education, 1954.
3.
Turner, Richard L.Behavioral Dimensions of Teaching—Characteristics Schedule, Form E 67. Bloomington : Institute of Educational Research, Indiana University , 1967.
4.
White, Kinnard P.Professional Career Involvement Among Female Elementary School Teachers. Bloomington: Unpublished Doctoral Dissertation, Indiana University, 1964.