A study compares and contrasts a set of English and Spanish prepositions of location in the context of prototype theory. It seeks to establish the prototype concept of each preposition and the degrees of prototypicality by testing for native-speaker choices of examples that illustrate best the most basic use of the preposition. The prepositions…

A discussion of the Linguistic Coding Deficit Hypothesis presents an overview of the theory; describes five prototypes of second-language learners, each illustrated by a distinct language processing profile; and examines how the ability to identify prototypes can help teachers interpret student difficulties and design instruction to address them.…