Meaningful repetition helps learners acquire new language, both by increasing their comprehension through adding redundancy to the input and by increasing their number of understandable encounters with words and structures.
I talked a lot about the power of the circling technique, where a teacher makes a statement in the target language and then asks their students various kinds of questions based on what they just said.
Since that post, a friend has alerted me to another way of providing a lot of meaningful repetition of language.
He finds it so useful for acquiring language that he calls it “the crown jewel of comprehensible input”.
I wouldn’t go quite that far, but I can certainly see how powerful it can be.
We could call this technique the use of parallel structure.
The Automatic Language Growth page on this site features the script of the video and will eventually include and link to more detailed background information and research. For now you can watch the video and read this synopsis: