@article{oai:osaka-shoin.repo.nii.ac.jp:00002239,
 author = {モーザー, ジェイソン and モーザー, ジェイソン},
 journal = {大阪樟蔭女子大学学芸学部論集},
 month = {Jan},
 note = {P(論文), This paper introduces an experimental concept called the production cluster. The production cluster is a unit for measuring language complexity in open-ended pair work tasks. Current task-based studies often rely on units that when applied by the researcher involve breaking down learner production rather than looking at it holistically. The production cluster is a holistic macro-unit comprised of AS-units (Analysis of Speech Unit) that reflects concentrated learner engagement in his/her oral production and learning.},
 pages = {189--201},
 title = {Using production clusters to measure learner oral production in pair work tasks},
 volume = {46},
 year = {2009}
}