Efficient and flexible strategy use on multi-digit sums: a choice/no-choice study

被引:23
作者
Torbeyns, Joke [1 ]
Verschaffel, Lieven [1 ]
机构
[1] Katholieke Univ Leuven, Ctr Instruct Psychol & Technol, Leuven, Belgium
关键词
mental computation strategies; standard written algorithms; multi-digit addition and subtraction; choice/no-choice method;
D O I
10.1080/14794802.2013.797745
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
This study analysed children's use of mental computation strategies and standard written algorithms in the domain of multi-digit addition and subtraction, using the choice/ no-choice method. Twenty-one Flemish fourth-graders (M-Age - 9y10m) solved problem-items that either stimulated the use of mental computation strategies or a standard written algorithm, in one choice and two no-choice conditions. In the choice condition, children could use their preferred strategy on each item. In the two no-choice conditions, they had to solve all items with, respectively, a mental computation strategy (no-choice mental condition) and the standard written algorithm (no-choice written condition). The results revealed that children tended to use the written algorithm on multi-digit sums, even on sums that evoke a mental computation strategy. Moreover, they also used the standard written algorithms with high efficiency and flexibility on sums that elicit a mental computation strategy. We discuss the theoretical, instructional and methodological implications of these results.
引用
收藏
页码:129 / 140
页数:12
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