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Ecological Validity of Self-Perceived Voice Quality and Acoustic Measures during Voice Assessments: An Observational Study on Faculty Teachers
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Daniel Rodríguez; Marco Guzman; Pedro Brito; Roberto Llorens – Journal of Speech, Language, and Hearing Research, 2025
Purpose: This study investigated the ecological validity of conventional voice assessments by comparing the self-perceived voice quality and acoustic characteristics of voice production during these assessments to those in a simulated environment with varying distracting conditions and noise levels. Method: Forty-two university professors (26…
Descriptors: Acoustics, Auditory Stimuli, Computer Simulation, Simulated Environment
Effects of Different Online Modes on Negotiation of Meaning for Learners of Chinese as a Foreign Language -- An Exploratory Study
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Jing Yan; Scott Grant; Hui Huang – Educational Technology & Society, 2025
Many studies have examined the factors that influence second language interaction, such as task type and communication mode, i.e., face-to-face and computer-mediated communication through online mode. However, there is a paucity of research that has investigated the effects of task type on negotiation of meaning (NoM), a specific type of…
Descriptors: Second Language Learning, Second Language Instruction, Teaching Methods, Task Analysis