Student Profiles

Graduate students I've chaired, most recently completed first. Each has confirmed they're comfortable being listed here.

Troy Cox with Ashlee Farnsworth and committee members, joining by video, at her portfolio defense

TESOL MA · Portfolio · 2026

Ashlee Farnsworth

Portfolio: Teaching Portfolio

Builds her teaching portfolio around a Communicative Language Teaching philosophy centered on student autonomy, authentic materials, and treating mistakes as a natural part of learning.

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Troy Cox with Shantona Mir and committee members at her portfolio defense

TESOL MA · Portfolio · 2026

Shantona “Shantu” Mir

Portfolio: Teaching Portfolio

Traces her path from English learner in Bangladesh to Graduate ESL Instructor at BYU's English Language Center, with a teaching philosophy grounded in relationship-building, learner autonomy, and formative assessment.

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Troy Cox with Thi Ngoc Bich Nguyen and committee members at her portfolio defense

TESOL MA · Portfolio · 2026

Thi Ngoc Bich Nguyen

Portfolio: Teaching Portfolio

Traces her path from self-taught English learner to material developer, driven by the shortage of quality ESL materials she encountered while teaching in Vietnam.

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Troy Cox with Lidija Vasica and committee members, her portfolio CV shown on screen

TESOL MA · Portfolio · 2026

Lidija Vasica

Portfolio: English Teaching Portfolio

A full teaching portfolio spanning lesson plans, curriculum development, and assessment, with additional pages showcasing her work in her native Serbian and Croatian.

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Troy Cox with Merrie Kay Ames and committee members at her thesis defense

TESOL MA · Thesis · 2025

Merrie Kay Ames

Thesis: The Nonlinguistic Factors that Predict Spanish Oral Proficiency

Draws on data from 2,475 BYU Spanish learners to show that mission language experience and self-assessed speaking ability predict Oral Proficiency Interview (OPIc) scores better than formal academic study alone.

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Troy Cox with Lauren Bezzant at her project defense

SLAT MA · Project · 2024

Lauren Bezzant

Project: LinguaPalooza: Taking Language Learning Beyond the Classroom and into the Real World

Developed a program for extending language learning beyond the classroom into real-world settings and interactions.

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Troy Cox with Megan Scarlet Keys at her thesis defense

SLAT MA · 2024

Megan Scarlet Keys

Thesis: Exploring the Gap Between Self-Assessed and Actual Language Proficiency: A Comparative Analysis of Japanese and Romance Language Learners

Compares how accurately learners of Japanese versus Romance languages judge their own proficiency, examining whether the size of the self-assessment gap differs by language family.

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Ethan Erickson presenting his thesis research at a conference, with Troy Cox seated nearby

SLAT MA · 2023

Ethan Erickson

Thesis: Predicting Speaking Proficiency with Fluency Features Using Machine Learning

Uses machine learning models trained on temporal fluency features to predict speaking proficiency ratings from speech samples.

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Troy Cox with Dan Wright at his thesis defense

Linguistics MA · Thesis · 2023

Dan Wright

Thesis: Determining Factors in Self-Guided Language Learning: Comparing More and Less Successful Learners

Compares more and less successful self-guided language learners to identify the factors that distinguish them.

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Troy Cox with Sonja Mecham and committee members at her thesis defense

TESOL MA · Thesis · 2023

Sonja Mecham

Thesis: Language Ideology in the ACTFL Speaking Proficiency Guidelines

Examines the language ideologies embedded within the ACTFL Speaking Proficiency Guidelines themselves.

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Troy Cox with Colin Lilya at his thesis defense

SLAT MA · Thesis · 2022

Colin Lilya

Thesis: Examining the Willingness to Communicate (WTC) Scale with Advanced Foreign Language Learners

Validates a Willingness to Communicate scale specifically with advanced foreign language learners.

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Troy Cox with Rachael Reynolds at her thesis defense

SLAT MA · Thesis · 2022

Rachael Reynolds

Thesis: Explicit Instruction in Second Language Self-Assessment: Exploring the Potential for Improving Calibration Through Training

Tests whether explicit instruction in self-assessment skills can improve how accurately learners judge their own language ability.

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Portrait of Natasha Gillette

TESOL MA · Project · 2022

Natasha Gillette

Project: The Creation of Items for a Listening Placement Test Item Bank in an Intensive English Program

Develops a bank of listening test items for placing students into an Intensive English Program.

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Joseph Mak presenting his thesis research, with Troy Cox and committee members

TESOL MA · Thesis · 2021

Joseph Mak

Thesis: Text-to-Speech Systems: Learner Perceptions of its Use as a Tool in the Language Classroom

Explores how language learners perceive and respond to text-to-speech technology as a classroom learning tool.

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Troy Cox with Logan Blackwell at his thesis defense

TESOL MA · Thesis · 2020

Logan Blackwell

Thesis: Portuguese and Chinese ESL Reading Behaviors Compared: An Eye-Tracking Study

Uses eye-tracking to compare how Portuguese- and Chinese-background ESL readers process English text.

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Troy Cox with AnnMarie Saunders and committee members at her project defense

TESOL MA · Project · 2019

AnnMarie Saunders

Project: A Validation Study of an ESL Literacy Test Used in Ghana

Conducts a validation study of an ESL literacy test used in an educational program in Ghana.

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Troy Cox with Larissa Grahl at her thesis defense

TESOL MA · Thesis · 2019

Larissa Grahl

Thesis: L1 and L2 Reading Behaviors by Proficiency Level: An English-Portuguese Eye-Tracking Study

Uses eye-tracking to compare first- and second-language reading behaviors across proficiency levels among English-Portuguese readers.

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Troy Cox with Aislin Davis at her thesis defense

TESOL MA · Thesis · 2019

Aislin Davis

Thesis: A Comparison of Mobile and Computer Receptive Language ESL Tests

Compares outcomes between mobile-based and computer-based administration of the same language test.

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Troy Cox with Maureen Sims at her thesis defense

TESOL MA · Thesis · 2018

Maureen Sims

Thesis: Rubric Rating with MFRM vs. Randomly Distributed Comparative Judgment: A Comparison of Two Approaches to Second-Language Writing Assessment

Compares many-facet Rasch rating with randomly distributed comparative judgment as two approaches to scoring second-language writing; later published in Educational Measurement: Issues and Practice.

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Troy Cox with Jodi Petersen at her thesis defense

TESOL MA · Thesis · 2018

Jodi Petersen

Thesis: Performance Self-Appraisal Calibration of ESL Students on a Proficiency Reading Test

Examines how accurately ESL students judge their own performance on a multiple-choice reading comprehension test.

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Troy Cox with Gwen Gates at her thesis defense

TESOL MA · Thesis · 2018

Gwen Gates

Thesis: An Analysis of Rehearsed Speech Characteristics on the Oral Proficiency Interview—Computer (OPIc)

Analyzes linguistic features that distinguish rehearsed from spontaneous speech on the English OPIc; later published in Language Testing in Asia.

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Troy Cox with Laura Decker at her thesis defense

TESOL MA · Thesis · 2017

Laura Decker

Thesis: The Impact of Changing TOEFL Cut-Scores on University Admissions

Examines how changes to TOEFL cut-scores affect university admissions decisions for international students.

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Maria Summers presenting her research at an ACTFL conference with Troy Cox and co-presenters

TESOL MA · Project · 2017

Maria Summers

Project: Investigating the Use of the ACTFL Can-Do Statements in a Self-Assessment for Student Placement in an Intensive English Program

Evaluates how well ACTFL can-do statement self-assessments predict appropriate placement for students entering an Intensive English Program; later published in System.

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Troy Cox with Ksenia Zhao at her thesis defense

TESOL MA · Thesis · 2017

Ksenia Zhao

Thesis: Investigating the Effects of Rater's Second Language Learning Background and Familiarity with Test-Taker's First Language on Speaking Test Scores

Examines whether a rater's own second-language learning background and familiarity with an examinee's native language affects the speaking scores they assign.

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Jacob Barrows presenting his thesis research at a conference, with Troy Cox seated nearby

Linguistics MA · Thesis · 2016

Jacob Barrows

Thesis: The Effect of Prompt Accent on Elicited Imitation Assessments in English as a Second Language

Investigates whether the accent of a recorded prompt speaker affects examinee performance on an English elicited imitation test; later published in Papers in Language Testing and Assessment.

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Troy Cox with Jeremy Evans at his thesis defense

SLAT MA · Thesis · 2015

Jeremy Evans

Thesis: Exploring the Language of Assessment on Reading Proficiency Exams of Advanced Learners of Russian

Examines how the language used to ask comprehension questions affects performance on advanced L2 reading assessments for learners of Russian; later published as a book chapter (Springer).

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Forthcoming

Full Mentoring Record

Beyond the 26 students I've chaired above, I've also served on the committee for 14 additional MA theses and 6 PhD dissertations. Those aren't individually profiled here since this page focuses on students I directly chaired, but the complete list is available on the CV / Résumé page.