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Mandana Rohollahzadeh Ebadi

Explicit knowledge

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Measuring Explicit And Implicit Knowledge: A Psychometric Study In Sla, Mandana Rohollahzadeh Ebadi Jul 2015

Measuring Explicit And Implicit Knowledge: A Psychometric Study In Sla, Mandana Rohollahzadeh Ebadi

Mandana Rohollahzadeh Ebadi

Lack of valid means of measuring explicit and implicit knowledge in acquisition of second language is a concern issue in investigations of explicit and implicit learning. This paper endeavors to validate the use of four test (i.e., Untimed Judgment Grammatical Test, UJGT; Test of Metalinguistic Knowledge, TMK; Elicited Oral Imitation Test, EOIT; and Time pressured Judgment Grammatical Test, TJGT) from a set of instruments introduced by Ellis (2005) to measure explicit and implicit knowledge of ESL learners. The result of Principal Component Analysis shows the UJGT and TMK loaded on first factor (i.e., explicit knowledge) and the EOIT ...


Corrective Feedback And Second Language Acquisition: Differential Contributions Of Implicit And Explicit Knowledge, Mandana Rohollahzadeh Ebadi Apr 2014

Corrective Feedback And Second Language Acquisition: Differential Contributions Of Implicit And Explicit Knowledge, Mandana Rohollahzadeh Ebadi

Mandana Rohollahzadeh Ebadi

ABSTRACT The issue of error correction remains controversial in recent years due to the different positions of interface toward implicit and explicit knowledge of ESL learners. This study looks at the impacts of implicit corrective feedback in the form of recast on implicit and explicit knowledge of adult ESL learners. In an experimental study, lower-intermediate learners first were taught the grammatical features; then they completed communicative tasks during which the experimental group received recast and the control group received no feedback when an error occurred. Acquisition was measured by means of tests designed to measure implicit and explicit knowledge. Results ...