Title page for ETD etd-09192008-141454

Type of Document Dissertation
Author Sallas, Bill
Author's Email Address sallas@lsu.edu
URN etd-09192008-141454
Title Flexibility of Knowledge as a Function of Practice and Explicit Instruction
Degree Doctor of Philosophy (Ph.D.)
Department Psychology
Advisory Committee
Advisor Name Title
Robert Mathews Committee Chair
Janet McDonald Committee Member
Sean Lane Committee Member
Tracey Rizzuto Committee Member
Hillary Braud Dean's Representative
  • direct instuction
  • implicit learning
Date of Defense 2008-08-14
Availability unrestricted
Two experiments used a dynamic control task (Berry & Broadbent, 1984) to examine the flexibility of experientially acquired knowledge. The results suggest that experientially acquired knowledge of this task is represented by a lookup table, not a set of tuned strategies. With practice, transfer to a new task was achieved through an extrapolation procedure. Experiment 2 demonstrated far superior task and transfer performance in participants trained with a combination of experiential practice and model-based knowledge. Transfer to new states was only possible when participants were provided with model-based knowledge through direct instruction. Also, providing model-based knowledge during practice resulted in a more flexible representation compared to providing it before or after practice. Pedagogical implications are discussed.
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