Expert-novice knowledge of computer programming at different levels of abstraction

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      <subfield code="a">Computer programming knowledge can be classified into five levels of abstraction: objective, conceptual, functional, logical, and physical. An experiment was carried out to determine whether the mastering of knowledge at different levels of abstraction changed with the level of skill. The classification of computer programming knowledge in levels of abstraction and the experimental results helped in clarifying a general finding from previous studies that experts had better abstract knoowledge than novices</subfield>
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      <subfield code="g">Vol. 39, nº 3, March 1996 ; p. 461-481</subfield>
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