Research
Reference-grade reviews of the peer-reviewed research behind speech disfluency, filler words, and professional communication, published by Wellspoken Labs.
Communication 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.
July 23, 2026AI-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.
June 18, 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.
May 27, 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.
April 15, 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.
March 17, 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.
February 11, 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.
January 13, 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.
December 4, 2025Filled 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.
October 29, 2025Filler 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.
September 16, 2025