the role of l2 private speech in cognitive regulation of adult foreign language learners

the present study investigated the use of l2 private speech by english foreign language (efl) learners in regulating their mental activities. thirty intermediate adult efl learners took a test of solving challenging english riddles while their voices were being recorded. following, instances of the produced private speech were analyzed in terms of form, content, and function. numerous instances of reading aloud and repetition as well as self explanations and reviewing show how important they are in cognitive regulation of efl learners. in addition, the results indicate the beneficial functions of private speech such as planning, managing the thought, self-orientation, motivating, and controlling anxiety among many others. the paper emphasizes the training of private speech and calls for patience in the face of silent periods produced by language learners.