Responds to an article on top-down versus bottom-up analyses of interlanguage data in second language acquisition research that argues in favor of using multifactorial frequency data analyses over multiple chi-squares to take into account dependence and interaction of the frequency data. (Author/VWL)

Suggests that interlanguage morphology research contradictions have occurred as a result of a descriptively inadequate variation model. This assertion provides the basis for proposing and applying a multivariate model (acquisition stage, linguistic environment, and communicative redundancy) to an analysis of native Mandarin Chinese speakers'…