The writing performance of inverted and noninverted right- and left-handers.

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Abstract
The writing performance of inverted and noninverted left-handed and right-handed writers was compared. Inverted writers wrote as quickly and as well as noninverted writers when writing with the preferred writing posture, but were superior to the latter group when performances with the nonpreferred posture were compared. There was no evidence that left-handers with either writing position write faster with the nonpreferred hand, in direct contradiction to Gregory and Paul''s (1980) frequently cited claim that inverted left-handers write faster with the nonpreferred hand. In relating the results to the Levy and Reid (1976) model of writing posture and cerebral organization, it was pointed out that a test of a strong version of the model (cf. Weber, 1983) is superfluous and that a weak version of the model is difficult to falsify. The results also question attempts by educators to discourage use of the inverted writing posture.