ABSTRACT
This chapter discusses the three concurrent data-elicitation procedures, namely eye-tracking, reaction time, and think aloud protocols or online verbal reports currently employed in the Second Language Acquisition (SLA) field, and in lesser detail two other procedures that are offline. Interestingly, it has been proposed that eye-tracking data can be used to measure cognitive effort by means of intensity and time, both of which can be captured by eye-fixation location and eye-movement time. There are different methods of eliciting verbal reports, which are broadly categorized as either introspective or retrospective and metacognitive or non-metacognitive. The chapter investigates awareness at the non-concurrent stage of retrieval of stored knowledge of the construct, that is, where learners indicate offline after they have processed the incoming information whether they were aware of the targeted underlying rule during the experimental exposure.
