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    Hypothesis selection strategies in a debugging task

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    Author
    Ashby, Alan Bradley
    Date
    1989
    Advisor
    Lane, David M.
    Degree
    Master of Science
    Abstract
    Previous research on the human process of debugging indicates that it can be described as a process of testing hypotheses. It is noted that Hypothesis Testing Theory (HTT) as proposed by Levine (1966) can provide a guiding framework to study debugging. Experiments 1 and 2 tested the following hypothesis: Given a very simple debugging task for which there is a clearly defined optimal strategy for solution, would people discover and use that strategy. Subjects tended to discover and use the optimal strategy in experiment 1, but not for the slightly more complex task of experiment 2. Experiments 3 and 4 tested the assumptions of HTT of domain sampling on a task similar to the ones used in Experiments 1 and 2. The assumptions of HTT were supported by the results of experiment 3. All of the subjects in experiment 4 used a sequential search strategy. The results of each experiment are discussed and additional research is proposed.
    Keyword
    Experimental psychology; Computer science
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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892