%C New York, NY, USA %S Second Language Acquisition Research %D 2015 %E L Plonsky %L discovery1474605 %A L Plonsky %I Routledge %O Copyright © 2016 – Routledge. %T Statistical power, p values, descriptive statistics, and effect sizes: A "back-to-basics" approach to advancing quantitative methods in L2 research %B Advancing Quantitative Methods in Second Language Research %P 23-45