Education Commons^™

The Effect Of Dynamic Assessment On Adult Learners Of Arabic: A Mixed-Method Study At The Defense Language Institute Foreign Language Center, Mohsen Mahmoud Fahmy

Doctoral Dissertations

Dynamic assessment (DA) is based on Vygotsky's (1978) sociocultural theory and his Zone of Proximal Development (ZPD). ZPD is the range of abilities bordered by the learner's assisted and independent performances. Previous studies showed promising results for DA in tutoring settings. However, they did not use proficiency-based rubrics to measure students' progress and did not mention the method of using DA practically in classrooms. The literature showed that task-based language instruction (TBLI) is effective in adult classrooms. This study combined DA with TBLI to answer four questions. What is the change in the structural control of Arabic speaking based on …

The Effect Of Sequent Input On Speech Accuracy And Fluency In Adults At The Intermediate Level, Salah Farah

Doctoral Dissertations

To help students achieve their potential, input/feedback must be sequenced by the level of complexity that immediately follows the student's actual developmental level. I assert that effective input/feedback has to follow a set of suggested but not directly expressed rules that represent basic criteria for the development of communicative competence. This study made these criteria explicit, and converted them into ready-for-use input/feedback specifications. Such specifications allow instructors to provide effective remedies to treat particular interlanguage errors. Thus, it is important that instructors understand how to sequence input/feedback to target students differentially in response to their different proficiency levels.

The study …