When Less is More : Representation and Selective Memory in Expert Problem Solving  

Oleh:

Bulllemer, Peter ; Fox, Paul W. ; Hassebrock, Frank ; Johnson, Paul E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Psychology vol. 106 no. 02 (1993), page 155-190.
Topik: MEMORY; Patient Cases; Lines Of Reasoning; Expert Problem Solving; Problem Representations; Domain - Specific Knowledge; Selective Memory
Fulltext: 1423166.pdf (3.47MB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: A12 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Few studies of problem - solving expertise in professional domains have undertaken independent assessments of how domain - specific knowledge contributes to the development of problem representations as well as subsequent memory for task information. These issues were investigated in the present study by asking participants at three levels of training and experience (novice, trainee, and expert) in a medical specialty to solve two complex diagnostic problems (patient cases) selected from medical records of a university hospital. The subjects were also asked to provide an incidental free recall of the patient information contained in each case immediately after problem solving and one week later. Problem representations (identified as "lines of reasoning") used by each subject in each case were determined from an analysis of thinking - aloud protocols generated during problem solving. The three groups did not differ on the overall amount of case information recalled at the immediate retention test and did not show selective recall for information statements that were directly relevant to the lines of reasoning used during problem solving. After one week, however, the expert physicians remembered fewer information units than novices but showed selective retention for case information contained in the lines of reasoning used to reach a diagnosis.

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