TY - ABST T1 - Flexilevel adaptive testing paradigm: Validation in technical training Y1 - 1977 A1 - Hansen, D. N. A1 - Ross, S. A1 - Harris, D. A. CY - AFHRL Technical Report 77-35 (I) ER - TY - ABST T1 - Flexilevel adaptive training paradigm: Hierarchical concept structures Y1 - 1977 A1 - Hansen, D. N. A1 - Ross, S. A1 - Harris, D. A. CY - AFHRL Technical Report 77-35 (II) ER -