Supplementary Appendices for "Comparing the Effectiveness of EVB and Vocabulary.com Applications on Vocabulary Learning: A Mixed-Methods Study in an Iranian EFL Context"

This record contains the supplementary appendices for the study titled “Comparing the Effectiveness of EVB and Vocabulary.com Applications on Vocabulary Learning: A Mixed-Methods Study in an Iranian EFL Context.”

The document provides the research instruments used to support the study, organized into four appendices:

• Appendix A: Vocabulary Placement Test (Beginner–A1), comprising 50 multiple-choice items.

• Appendix B: Vocabulary Pre-Test, comprising 25 multiple-choice items and 15 fill-in-the-blank items.

• Appendix C: Vocabulary Post-Test, comprising 25 multiple-choice items and 15 fill-in-the-blank items.

• Appendix D: Semi-Structured Interview Questions, comprising 10 open-ended questions about learners’ experiences with vocabulary-learning applications, usability, engagement, perceived learning benefits, challenges, independent learning, and recommendations.

These materials document the assessment instruments and interview questions associated with the study of English vocabulary learning among Iranian EFL learners. They are provided as supplementary materials to support transparency regarding the study’s procedures and research instruments.