Automatically Recognizing Facial Indicators of Frustration: A Learning-centric Analysis. - Joseph F. Grafsgaard; Joseph B. Wiggins; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (ACII, 2013)

Embodied Affect in Tutorial Dialogue: Student Gesture and Posture. - Joseph F. Grafsgaard; Joseph B. Wiggins; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (AIED, 2013)

Automatically Recognizing Facial Expression: Predicting Engagement and Frustration. - Joseph F. Grafsgaard; Joseph B. Wiggins; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (EDM, 2013)

Modeling student programming with multimodal learning analytics (abstract only). - Joseph F. Grafsgaard; Joseph B. Wiggins; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (SIGCSE, 2013)

Predicting Learning and Affect from Multimodal Data Streams in Task-Oriented Tutorial Dialogue. - Joseph F. Grafsgaard; Joseph B. Wiggins; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (EDM, 2014)

The Additive Value of Multimodal Features for Predicting Engagement, Frustration, and Learning during Tutoring. - Joseph F. Grafsgaard; Joseph B. Wiggins; Alexandria Katarina Vail; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (ICMI, 2014)

Predicting Learning and Engagement in Tutorial Dialogue: A Personality-Based Model. - Alexandria Katarina Vail; Joseph F. Grafsgaard; Joseph B. Wiggins; James C. Lester; Kristy Elizabeth Boyer (ICMI, 2014)

The relationship between task difficulty and emotion in online computer programming tutoring (abstract only). - Joseph B. Wiggins; Joseph F. Grafsgaard; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (SIGCSE, 2014)

JavaTutor: An Intelligent Tutoring System that Adapts to Cognitive and Affective States during Computer Programming. - Joseph B. Wiggins; Kristy Elizabeth Boyer; Alok Baikadi; Aysu Ezen-Can; Joseph F. Grafsgaard; Eunyoung Ha; James C. Lester; Christopher Michael Mitchell; Eric N. Wiebe (SIGCSE, 2015)

Predicting Dialogue Acts for Intelligent Virtual Agents with Multimodal Student Interaction Data. - Wookhee Min; Joseph B. Wiggins; Lydia Pezzullo; Alexandria Katarina Vail; Kristy Elizabeth Boyer; Bradford W. Mott; Megan Frankosky; Eric N. Wiebe; James C. Lester (EDM, 2016)

The Affective Impact of Tutor Questions: Predicting Frustration and Engagement. - Alexandria Katarina Vail; Joseph B. Wiggins; Joseph F. Grafsgaard; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (EDM, 2016)

"Thanks Alisha, Keep in Touch": Gender Effects and Engagement with Virtual Learning Companions. - Lydia G. Pezzullo; Joseph B. Wiggins; Megan Hardy Frankosky; Wookhee Min; Kristy Elizabeth Boyer; Bradford W. Mott; Eric N. Wiebe; James C. Lester (AIED, 2017)

Think First: Fostering Substantive Contributions in Collaborative Problem-Solving Dialogues. - Mehmet Celepkolu; Joseph B. Wiggins; Kristy Elizabeth Boyer; Kyla A. McMullen (CSCL, 2017)

Do You Think You Can? The Influence of Student Self-Efficacy on the Effectiveness of Tutorial Dialogue for Computer Science. - Joseph B. Wiggins; Joseph F. Grafsgaard; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (Int. J. Artif. Intell. Educ., 2017)

Affect-Based Early Prediction of Player Mental Demand and Engagement for Educational Games. - Joseph B. Wiggins; Mayank Kulkarni; Wookhee Min; Bradford W. Mott; Kristy Elizabeth Boyer; Eric N. Wiebe; James C. Lester (AIIDE, 2018)

User Affect and No-Match Dialogue Scenarios: An Analysis of Facial Expression. - Joseph B. Wiggins; Mayank Kulkarni; Wookhee Min; Kristy Elizabeth Boyer; Bradford W. Mott; Eric N. Wiebe; James C. Lester (MA3HMI@ICMI, 2018)

From Doodles to Designs: Participatory Pedagogical Agent Design with Elementary Students. - Joseph B. Wiggins; Jamieka Wilkinson; Lara Baigorria; Yingwen Huang; Kristy Elizabeth Boyer; Collin F. Lynch; Eric N. Wiebe (IDC, 2019)

Predicting Dialogue Breakdown in Conversational Pedagogical Agents with Multimodal LSTMs. - Wookhee Min; Kyungjin Park; Joseph B. Wiggins; Bradford W. Mott; Eric N. Wiebe; Kristy Elizabeth Boyer; James C. Lester (AIED (2), 2019)

Take the Initiative: Mixed Initiative Dialogue Policies for Pedagogical Agents in Game-Based Learning Environments. - Joseph B. Wiggins; Mayank Kulkarni; Wookhee Min; Kristy Elizabeth Boyer; Bradford W. Mott; Eric N. Wiebe; James C. Lester (AIED (2), 2019)

Novice Debugging in Block-Based and Hybrid Environments. - Phoebe Martinez; John Lopez; Fernando J. Rodríguez; Joseph B. Wiggins; Kristy Elizabeth Boyer (SIGCSE, 2020)

A Comparison of Two Pair Programming Configurations for Upper Elementary Students. - Jennifer Tsan; Jessica Vandenberg; Zarifa Zakaria; Joseph B. Wiggins; Alexander R. Webber; Amanda E. Bradbury; Collin F. Lynch; Eric N. Wiebe; Kristy Elizabeth Boyer (SIGCSE, 2020)

Discovering Co-creative Dialogue States During Collaborative Learning. - Amanda E. Griffith; Gloria Ashiya Katuka; Joseph B. Wiggins; Kristy Elizabeth Boyer; Jason Freeman 001; Brian Magerko; Tom McKlin (AIED (1), 2021)

The Challenge of Noisy Classrooms: Speaker Detection During Elementary Students' Collaborative Dialogue. - Yingbo Ma; Joseph B. Wiggins; Mehmet Celepkolu; Kristy Elizabeth Boyer; Collin F. Lynch; Eric N. Wiebe (AIED (1), 2021)

Modeling Frustration Trajectories and Problem-Solving Behaviors in Adaptive Learning Environments for Introductory Computer Science. - Xiaoyi Tian 001; Joseph B. Wiggins; Fahmid Morshed Fahid; Andrew Emerson; Dolly Bounajim; Andy Smith; Kristy Elizabeth Boyer; Eric N. Wiebe; Bradford W. Mott; James C. Lester (AIED (2), 2021)

Exploring Novice Programmers' Hint Requests in an Intelligent Block-Based Coding Environment. - Joseph B. Wiggins; Fahmid M. Fahid; Andrew Emerson; Madeline Hinckle; Andy Smith; Kristy Elizabeth Boyer; Bradford W. Mott; Eric N. Wiebe; James C. Lester (SIGCSE, 2021)

Progression Trajectory-Based Student Modeling for Novice Block-Based Programming. - Fahmid Morshed Fahid; Xiaoyi Tian 001; Andrew Emerson; Joseph B. Wiggins; Dolly Bounajim; Andy Smith; Eric N. Wiebe; Bradford W. Mott; Kristy Elizabeth Boyer; James C. Lester (UMAP, 2021)

Designing a visualization tool for children to reflect on their collaborative dialogue. - Mehmet Celepkolu; Joseph B. Wiggins; Aisha Chung Galdo; Kristy Elizabeth Boyer (Int. J. Child Comput. Interact., 2021)

Building the dream team: children's reactions to virtual agents that model collaborative talk. - Joseph B. Wiggins; Toni V. Earle-Randell; Dolly Bounajim; Yingbo Ma; Julianna Martinez Ruiz; Ruohan Liu; Mehmet Celepkolu; Maya Israel; Eric N. Wiebe; Collin F. Lynch; Kristy Elizabeth Boyer (IVA, 2022)

The Relationship between Co-Creative Dialogue and High School Learners' Satisfaction with their Collaborator in Computational Music Remixing. - Gloria Ashiya Katuka; Alexander R. Webber; Joseph B. Wiggins; Kristy Elizabeth Boyer; Brian Magerko; Tom McKlin; Jason Freeman 001 (Proc. ACM Hum. Comput. Interact., 2022)

Confusion, Conflict, Consensus: Modeling Dialogue Processes During Collaborative Learning with Hidden Markov Models. - Toni V. Earle-Randell; Joseph B. Wiggins; Julianna Martinez Ruiz; Mehmet Celepkolu; Kristy Elizabeth Boyer; Collin F. Lynch; Maya Israel; Eric N. Wiebe (AIED, 2023)

Exploring Usability Issues in Instruction-Based and Schema-Based Authoring of Task-Oriented Dialogue Agents. - Amogh Mannekote; Mehmet Celepkolu; Joseph B. Wiggins; Kristy Elizabeth Boyer (CUI, 2023)

Investigating the Relationship Between Dialogue States and Partner Satisfaction During Co-Creative Learning Tasks. - Amanda E. Griffith; Gloria Ashiya Katuka; Joseph B. Wiggins; Kristy Elizabeth Boyer; Jason Freeman 001; Brian Magerko; Tom McKlin (Int. J. Artif. Intell. Educ., 2023)

The impact of near-peer virtual agents on computer science attitudes and collaborative dialogue. - Toni V. Earle-Randell; Joseph B. Wiggins; Yingbo Ma; Mehmet Celepkolu; Dolly Bounajim; Zhikai Gao; Julianna Martinez Ruiz; Kristy Elizabeth Boyer; Maya Israel; Collin F. Lynch; Eric N. Wiebe (Int. J. Child Comput. Interact., 2024)

The Rural CS+Agriculture Alliance Research Practitioner Partnership: Experience Report. - Joseph B. Wiggins; Benjamin Taylor; Alexandra Cail; Jorge Parra; Julianna Martinez Ruiz; William Causey (SIGCSE (1), 2025)