quarta-feira, 23 de novembro de 2011
Recasting in Language Learning
If you’re a language teacher, you’re probably quite familiar with the concept of recasting, even if you don’t know the name. And if you’re a language learner, being aware of recasting can help you learn faster. So what is recasting?
Fukuya and Zhang define a recast as “implicit corrective feedback.” Another definition of “recast” given by Han Ye in a presentation at the ACTFL 2008 conference was “a native speaker’s corrective reformulation of a student’s utterance.”
It’s not very complicated in practice. Here’s a simple example:
Student: I want read.
Teacher: Oh, you want to read?
In the above example, the English teacher communicates with the student (using a question to confirm what the student had said), while at the same time making a correction (adding “to”). The teacher may or may not choose to emphasize the correction.
Here’s a slightly more subtle example:
Student: I want read.
Teacher: What do you want to read?
In this example, while you could identify a correction in the teacher’s question, the focus is more on communication and less on correcting the mistake.
Recasts don’t have to be questions, and they can be focused on pronunciation, on grammar, on vocabulary… but they always carry with them some degree of ambiguity, because recasts are not overt corrections, and some degree of repetition is a natural part of normal speech. Will the student pick up on the correction, or will the conversation just keep moving along? (Does it even matter what the student consciously notices his mistakes?)
I believe that much of my own success in acquiring Chinese has been due to (1) getting lots of practice with native speakers, and (2) being receptive to recasts.
Here’s a typical example of an exchange that might occur (in Chinese), with a string of letters representing the focal language point:
Native speaker: What?
Native speaker: Ohhh… AbcDe!
Learner: Yes, Abcde.
The native speaker’s second utterance above was a recast, but as we see in the last line of the exchange, the learner didn’t get it. Yes, the recast was almost imperceptibly different from what the learner said originally, but recasts tend to be that way (from the learner’s perspective)… especially when they involve tones. As a learner, when you become more sensitive to recasts, you’ll hear them all the time.
Think about it… some people will pay big bucks to a teacher in order to obtain explicit corrective feedback. In actuality, though, if that person is in a second language environment, he is probably getting corrective feedback all the time in the form of recasts and not even knowing it. Recasts are great because they don’t impede the flow of information and they’re usually not an embarrassing form of correction. They’re also great because you don’t get them if you don’t get out there and talk to native speakers. They’re a positive side effect of speaking practice. As a learner, recasts are your friend.
At ACTFL 2008, Han Ye of the University of Florida presented the findings of an experiment on tonal recasting. The experiment sought to compare the effect of recasts on Chinese heritage learners with the effect of recasts on non-heritage learners. The recasts were all for tone-related errors.
Interestingly, the study found that the uptake rate for non-heritage learners was 51%, but only 28% for heritage learners.
I found this interesting for a number of reasons. The Chinese heritage learners were likely much more confident in their ability to communicate, and probably less self-conscious about their Chinese. The non-heritage learners are more receptive to feedback, but do they communicate as well?
It is likely that the role of recasts is most important in the early stages of learning a language. Our own parents used recasting on us plenty when we were children still learning our mother tongues, but eventually, either they stop doing it or we stop paying attention.
There are a lot of factors at play here, not the least of which are individual learning styles and learner personality. Recasting research continues.
I’m just one of those people that likes to pay attention to recasts.