Research
Reference-grade reviews of the peer-reviewed research behind speech disfluency, filler words, and professional communication, published by Wellspoken Labs.
AI-Assisted Speech Coaching: Methods, Applications, and Efficacy in Professional Development
A research-grounded survey of AI-assisted speech coaching, covering its technical methods, evidence on effectiveness compared with human coaching, and data-privacy considerations.
August 4, 2026Communication Apprehension in the Workplace: Prevalence, Triggers, and Behavioral Interventions
A research-backed review of how common communication apprehension is in professional settings, what triggers it, and which behavioral interventions have evidence behind them.
August 4, 2026Discourse Markers in Workplace English: Usage Patterns, Social Functions, and Professional Perception
A research review of corpus and perception studies on discourse markers such as "like," "you know," and "basically" in professional versus casual speech.
August 4, 2026English Proficiency in Professional Settings: Communication Barriers for Non-Native Speakers and Evidence-Based Interventions
This review synthesizes research on workplace language anxiety, accent-based perception, and career barriers facing non-native English speakers, along with evidence on oral English training and technology-assisted interventions.
August 4, 2026Filled Pauses vs. Silent Pauses in Speech: Functional Differences and Behavioral Modification
A review of research distinguishing filled pauses ("uh," "um") from silent pauses in speech, covering their signaling functions, listener perception, speaker self-perception, and behavioral techniques for modifying pause type.
August 4, 2026Habit Formation and Behavior Change in Speech Pattern Modification
Peer-reviewed research on habit loops, cue-based intervention, and realistic habit-change timelines offers a psychological framework for understanding why speech patterns such as filler words persist and how they change.
August 4, 2026Speaker Credibility and Verbal Disfluency: A Review of Perception Research in Professional Contexts
A research review synthesizing over twenty peer-reviewed studies on how filled pauses and other speech disfluencies shape listener judgments of a speaker's credibility and competence.
August 4, 2026Standup Meetings: Communication Structure, Verbal Patterns, and Effectiveness
Peer-reviewed research on standup meetings addresses their value and structure but rarely their verbal micro-patterns, so this article draws careful, clearly labeled connections to adjacent research on meeting brevity, hedged speech, and time-pressure disfluency.
August 4, 2026Vocal Delivery in Professional Communication: A Framework for Assessment and Training
Research on vocal delivery in professional communication spans acoustic measurement, listener-perception studies, and structured training, and it does not support the popular claim that words carry only 7 percent of a spoken message.
August 4, 2026Filler Word Frequency in Professional Speech: Norms, Contexts, and Perceptual Thresholds
A literature review of filler word frequency, production mechanisms, and perceptual consequences across conversational, presentation, and evaluative speech contexts.
August 3, 2026