Proposes a reinterpretation of the language bioprogram hypothesis to show how substrate influence and bioprogrammatic factors may all be invoked to account for various complementary aspects of creole genesis. A contextual and weighted interpretation of markedness shows the selective application of substrate influence in creolization and transfer…

Introduces this special issue of the journal and presents results from comparative research into the principles constraining learner varieties (interlanguages) in use. Articles analyze the oral production of complex verbal tasks in second language Dutch, English, French, German, and Italian. (Author/VWL)

A "system" comprising the learner-speaker, the specific linguistic system itself, and the interactions with native speakers is posited to explain the dynamics of the acquisition of French as a second language. Through self-regulation, this system devises solutions which pertain to that common area in language at the crossroads of…