A usage-based approach to understanding L2 learners' knowledge of English affixes

按照我们最初的计划，到目前为止，我们已经成功地确定了衍生词的选择，对衍生词所包含的词缀进行了编码，开发了测试衍生词及其所包含的各种词缀知识的词汇测试项目，并对这些项目进行了试点。然而，我们仍在通过对学生进行测试来收集数据。到目前为止，我们已经测试了计划中的130名学生中的70名，并计划在学年结束前再测试60名。此外，其他70名学生已经完成了四个项目子集（每个项目170个）中的至少一个。到10月底，至少还有70多名学生应该完成这些子集。我们将这些数据等同于130名学生的样本，他们使用项目反应理论接受了所有1000个项目。

As per our original plan, thus far we have successfully confirmed the selection of derivations, coded them for the affixes they contain, developed vocabulary test items testing knowledge of these derivations and the various affixes they contain, and piloted the items.However, we are still in the process of collecting data by administering tests to students. To date we have tested 70 of the planned 130 students on the full 1000 items, and plan to test another 60 by the end of the academic year. In addition, 70 other students have completed at least one of four subsets of items (170 items each). At least another 70 more students should complete these subsets by the end of October. We will equate this data with the sample of 130 students who took all 1000 items using item response theory.