2 Article Critiques

(3) The study expands existing action by examining additional variables.

(4) The study will provide more detailed descriptions of methodological procedures and strategies than existing research in the field.

render subjects (Japanese students in grades 2,4,6, and 8) were helter-skelter assigned to treatment conditions and the schools from which they were drawn were randomly selected, facts that add to the internal validity of the study. However, the authors utilized existing self-colored classes of students (it was these classes which were randomly assigned to treatment conditions) and this is somewhat problematic beca delectation it pith that teachers is a nested factor. Moreover, it prohibits random selection of subjects from the population from which they were drawn which could bushel the study's generalizability.

The study's test instruments were researcher-designed questionnaires which means that they have not been subjected to rigorous interrogatory establishing their psychometric soundness. However, some steps were taken (e.g. review of the questionnaires by experts and field testing) in an effort to boost the questionnaires' overall reliableness and validity.

One excellent feature of the condition is that following the communicative report of feelings and some discussion of these results, the authors begin the conclusions section with a clear and complete summary of the study's major findings. These findings were: (a) Students believed mental compu

For example, the terminals "conceptual development," and "numerical development," and "mathematical breeding," were used interchangeably throughout the hold. But what precisely do these terms mean; and doesn't "conceptual development" a term with more general connotations than "mathematical development," or "mathematical learning?

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Cobb (1995) concludes that the findings of the research, at least in part, substantiate constructivist postulates, and that they are in accord with some previous research in the field. He cites and describes this existing work which is a good feature of the article because it makes the claim more convincing. It is also concluded that both theories command to be subjected to further research and that this research should attempt to find overlap between the two perspectives and not just air the differences. This recommendation seems an important peerless because two often researchers, by looking for differences, ignore those commonalities which will ultimately provide that one high-powered explanative framework that can subsume so more previous theories.

This paper presents an overview and critique of the following article:

The complexness of the research problem seemed incongruous with the qualitative approach and the use of such a small sample. From the very beginning of the article the reader is left with the feeling one might need if he or she was watching a person try to remove a mountain by digging international dirt with a teaspoon.

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