This study tests the Competing Systems Hypothesis (CSH) as applied to adult second language acquisition of aspect in Spanish. The CSH purports that differences among tutored and untutored learners result from competition between one system of underlying grammatical knowledge and another of learned metalinguistic knowledge in tutored learners…

Morphological Analysis as a vocabulary acquisition strategy has both its advocates and antagonists. Criticism from opponents is often warranted when programs omit one or more of the three critical criteria that establish the framework behind a successful curriculum. The intent behind this paper is to disseminate and explicate these three criteria,…