A reply to Edgell

Article Abstract:

A critique of a 1995 paper on the use of the good-effort criterion to prove null hypotheses fails to understand that theoretically-oriented researchers are more concerned with a variable's influence on another variable rather than on a variable's value or the size of an effect. Moreover, the claim that null hypotheses are always correct ignores basic scientific principles. Closer examination of the criticisms against the paper reveals that they have no bases.

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Commentary on "Accepting the null hypothesis." (reply to R. Frick, Memory & Cognition, vol. 23, p. 132)

Article Abstract:

A 1995 paper posits the view that the good-effort criterion proves that null hypotheses are true. Although null hypotheses are indeed correct, the use of population parameters to prove them is improper since no probability can be associated with these parameters. This is because population parameters are constants and not random variables. Hence, it is wrong to claim that null hypotheses can be proven with the good-effort criterion.

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Piaget and active cognition

Article Abstract:

Jean Piaget has provided the most coherent and encompassing model of development. He studied cognition as it developed from organizations of action and interaction. However, in spite of the strengths of Piaget's action-oriented model, his work was eluded with criticisms. Critiques claim fatal problems with Piaget's standard approaches to cognition which manifest errors of theory and methodology.

Evaluation, Works, Cognition, Piaget, Jean

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