A Typology of Models for Measuring Change : Matching Strategy to PurposeFORTUNE, J. C; HUTSON, B. A; ENDHAL, J et al.Journal of research and development in education. 1983, Vol 16, Num 4, pp 1-7, issn 0022-426XArticle

Teacher Leadership Styles as They Relate to Academic Gain for Unsuccessful StudentsVERTIZ, V. C; FORTUNE, J. C; HUTSON, B. A et al.Journal of research and development in education. 1985, Vol 18, Num 3, pp 63-67, issn 0022-426XArticle

Selecting Models for Measuring Change When True Experimental Conditions Do not ExistFORTUNE, J. C; HUTSON, B. A.The Journal of educational research (Washington, DC). 1984, Vol 77, Num 4, pp 197-206, issn 0022-0671Article