Construction of UEQ+ scales for voice quality: measuring user experience quality of voice interaction. - Andreas M. Klein; Andreas Hinderks; Martin Schrepp; Jörg Thomaschewski (MuC, 2020)

Exploring Voice Assistant Risks and Potential with Technology-based Users. - Andreas M. Klein; Andreas Hinderks; Maria Rauschenberger; Jörg Thomaschewski (WEBIST, 2020)

Toward a user experience tool selector for voice user interfaces. - Andreas M. Klein (W4A, 2021)

Comparing Voice Assistant Risks and Potential with Technology-Based Users: A Study from Germany and Spain. - Andreas M. Klein; Maria Rauschenberger; Jörg Thomaschewski; María José Escalona Cuaresma (J. Web Eng., 2021)

Identifying User Experience Aspects for Voice User Interfaces with Intensive Users. - Kristina Kölln; Jana Deutschländer; Andreas M. Klein; Maria Rauschenberger; Dominique Winter (WEBIST, 2022)

Categorizing UX Aspects for Voice User Interfaces Using the Kano Model. - Kristina Kölln; Andreas M. Klein; Jana Deutschländer; Dominique Winter; Maria Rauschenberger (WEBIST (Revised Selected Papers), 2022)

Design and Evaluation of Voice User Interfaces: What Should One Consider? - Andreas M. Klein; Kristina Kölln; Jana Deutschländer; Maria Rauschenberger (HCI (42), 2023)

There Are no Major Age Effects for UX Aspects of Voice User Interfaces Using the Kano Categorization. - Jana Deutschländer; Anna Christina Weigand; Andreas M. Klein; Dominique Winter; Maria Rauschenberger (WEBIST, 2023)

Exploring the context of use for voice user interfaces: Toward context-dependent user experience quality testing. - Andreas M. Klein; Jana Deutschländer; Kristina Kölln; Maria Rauschenberger; María José Escalona (J. Softw. Evol. Process., 2024)

Exploring Voice User Interface Similarities and Differences in Context of Use: A Survey and ChatGPT Analysis. - Andreas M. Klein; Martin Schrepp; Maria Rauschenberger (HCI (34), 2025)

Validation of the UEQ+ Scales for Voice Quality. - Andreas M. Klein; Jessica Kollmorgen; Andreas Hinderks; Martin Schrepp; Maria Rauschenberger; María José Escalona (Comput. Stand. Interfaces, 2025)