Poverty of the stimulus has been at the heart of ferocious and tear-filled debates at the nexus of psychology, linguistics, and philosophy for decades. This review is intended as a guide for readers without a formal linguistics or philosophy background, focusing on what poverty of the stimulus is and how it's been interpreted, which is…

Learners frequently experience phonologically inconsistent input, such as exposure to multiple accents. Yet, little is known about the consequences of phonological inconsistency for language learning. The current study examines vocabulary acquisition with different degrees of phonological inconsistency, ranging from no inconsistency (e.g., both…

In order to attempt to identify the linguistic difficulties of slow learners, errors made by two groups of English-speaking adults learning French as a second language were compared. The subjects of the two groups shared similar characteristics, with the exception of the amount of time required to cover the same linguistic material (Group 1: 17…

Children with specific language impairments (eight learning Italian, eight learning English as a first language) were studied for grammatical deficits. Italian-speakers used noun inflections, verb inflections, copula forms more than English-speaking counterparts, matched by utterance length. Articles were used similarly. Results were consistent…

A knowledge of areas of difficulty as well as their underlying causes is necessary before instructional materials, teaching techniques, and evaluation methods in foreign language instruction can be organized. This research describes three methods of analyzing the problems in foreign language learning and suggests their complementary role in…