María Blume and Barbara C. Lust Research Methods in Language Acquisition Research Methods in Language Acquisition: Principles, Procedures, and Practices, by M. Blume and B. Lust, with Y. Chien, C. D. Dye, C. A. Foley, and Y. Kedar Copyright © 2017 American Psychological Association. All rights reserved. Copyright American Psychological Association. Not for further distribution.