@inbook {1973, title = {Adaptive Branching in a Multi-Content Achievement Test}, year = {1977}, address = {D. J. Weiss (Ed.), Proceedings of the 1977 Computerized Adaptive Testing Conference. Minneapolis MN: University of Minnesota, Department of Psychology, Psychometric Methods Program}, author = {Pennell, R. J. and Harris, D. A.} } @booklet {1397, title = {Flexilevel adaptive testing paradigm: Validation in technical training}, year = {1977}, address = {AFHRL Technical Report 77-35 (I)}, author = {Hansen, D. N. and Ross, S. and Harris, D. A.} } @booklet {1398, title = {Flexilevel adaptive training paradigm: Hierarchical concept structures}, year = {1977}, address = {AFHRL Technical Report 77-35 (II)}, author = {Hansen, D. N. and Ross, S. and Harris, D. A.} }