
Public Speaking and Diction Course
Whether you are presenting to a boardroom, leading a team meeting, or speaking in public for the first time, this course gives you the tools to communicate with clarity, authority, and confidence. You will master breath control, diction, persuasion, and stage presence from the ground up. Stop dreading the spotlight — start owning it.
What you will learn:
This course covers every dimension of effective public speaking, from diagnosing your current skill level to delivering high-stakes keynotes and media appearances. You will develop diaphragmatic breathing, precise articulation, and prosodic control so your voice commands attention in any room. You will learn how to structure speeches using proven frameworks, craft powerful openings and calls to action, and use nonverbal communication to reinforce your message. Advanced modules cover rhetorical devices, persuasion techniques, impromptu speaking, and cross-cultural communication. By the end, you will have a personalised practice plan to keep improving long after the final lesson.
How you study in a practical way Public Speaking and Diction Course
How you practise Public Speaking and Diction Course
For companies looking to train their teams
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 38 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Public Speaking
Foundations of Public Speaking
Lesson 1 • What Public Speaking Really Is
Defines public speaking beyond formal speeches to include all audience-directed communication. Establishes the scope that frames every subsequent chapter.
Lesson 2 • Diagnosing Your Current Speaking Level
Uses structured self-recording and rubric-based review to establish a personal baseline. Honest self-diagnosis prevents skipping foundational steps.
Lesson 3 • The Psychology of Stage Fright
Explains the physiological and cognitive roots of speaking anxiety and reframes nervousness as energy. Provides immediate coping tools used throughout the course.
Lesson 4 • Audience Awareness Fundamentals
Introduces audience analysis as the core driver of every speaking decision. Connects listener needs to speaker choices made in all later chapters.
Chapter 2HideHide detailsSee detailsBreath Control and Vocal Power
Breath Control and Vocal Power
Lesson 1 • Vocal Warm-Up Routines
Provides a repeatable pre-speech warm-up sequence protecting vocal health. Students integrate warm-ups as a professional habit before any speaking event.
Lesson 2 • Projection Without Shouting
Teaches forward resonance and supported airflow to fill a room naturally. Distinguishes healthy projection from volume-based strain.
Lesson 3 • Diaphragmatic Breathing Technique
Trains belly-led breathing to replace shallow chest breathing under pressure. This technique underpins every vocal exercise in the chapter.
Lesson 4 • Anatomy of the Speaking Voice
Maps the respiratory and phonatory systems relevant to speech production. Understanding mechanics prevents harmful habits introduced later in practice.
Chapter 3HideHide detailsSee detailsDiction, Articulation, and Clarity
Diction, Articulation, and Clarity
Lesson 1 • Connected Speech and Word Boundaries
Addresses linking, elision, and assimilation patterns that blur word boundaries in fast speech. Students balance natural flow with intelligibility.
Lesson 2 • Articulators and Their Functions
Identifies lips, tongue, teeth, and palate as the tools of articulation. Knowing each articulator's role targets practice efficiently in later sections.
Lesson 3 • Accent Neutralization Principles
Introduces targeted modification of accent features that impede comprehension without erasing speaker identity. Applies directly to professional and cross-cultural contexts.
Lesson 4 • Consonant Precision Drills
Isolates high-frequency problem consonants through minimal-pair and tongue-twister exercises. Precision here directly reduces listener effort in all speaking contexts.
Lesson 5 • Vowel Consistency and Placement
Standardizes vowel production to reduce regional accent interference with comprehension. Consistent vowels anchor the listener's decoding of connected speech.
Chapter 4HideHide detailsSee detailsProsody: Pace, Pitch, and Pause
Prosody: Pace, Pitch, and Pause
Lesson 1 • Stress and Emphasis Patterns
Teaches word-level and sentence-level stress to highlight meaning and contrast. Stress choices directly shape what audiences remember from a speech.
Lesson 2 • Controlling Speaking Rate
Trains deliberate rate variation to signal importance and aid processing. Connects rate control to the pause work introduced in the next section.
Lesson 3 • Pitch Range and Inflection
Expands usable pitch range and trains upward and downward inflection for meaning and authority. Prevents uptalk and flat endings that undermine credibility.
Lesson 4 • Strategic Use of Pause
Reframes silence as a rhetorical tool rather than a gap to fill. Pause placement reinforces key points and replaces filler words practiced in Chapter 1.
Lesson 5 • Understanding Prosody and Its Impact
Defines prosody as the music of speech and links each element to listener comprehension and engagement. Frames the chapter's practical exercises.
Chapter 5HideHide detailsSee detailsSpeech Structure and Scripting
Speech Structure and Scripting
Lesson 1 • Building the Body of a Speech
Develops main points with evidence, transitions, and internal summaries for retention. Logical body construction supports the prosodic emphasis trained in Chapter 4.
Lesson 2 • Scripting vs. Outlining Decisions
Compares full scripts, keyword outlines, and mind maps for different speaking contexts. Students select the format that best supports their delivery style.
Lesson 3 • Crafting Powerful Openings
Trains hook techniques that capture attention in the first thirty seconds. Strong openings leverage the audience analysis skills from Chapter 1.
Lesson 4 • Memorable Conclusions and Calls to Action
Designs closings that reinforce the central message and motivate audience response. Effective conclusions mirror the opening hook for structural symmetry.
Lesson 5 • Core Structural Frameworks
Presents problem-solution, chronological, and topical frameworks as reusable templates. Choosing the right structure is the first scripting decision students make.
Chapter 6HideHide detailsSee detailsNonverbal Communication and Stage Presence
Nonverbal Communication and Stage Presence
Lesson 1 • Posture and Physical Grounding
Establishes a neutral, open stance as the default speaking position. Grounded posture signals confidence and supports the diaphragmatic breathing from Chapter 2.
Lesson 2 • Purposeful Gesture and Hand Use
Trains gestures that reinforce verbal content rather than distract from it. Purposeful gesture amplifies the emphasis patterns developed in Chapter 4.
Lesson 3 • Movement and Use of Space
Teaches intentional movement to transition between points and engage different audience sections. Purposeless pacing is replaced with motivated stage movement.
Lesson 4 • Facial Expression and Emotional Congruence
Aligns facial expression with speech content to reinforce authenticity and trust. Incongruent expressions undermine the credibility built through vocal and structural work.
Lesson 5 • Eye Contact as Connection Tool
Develops sustained, distributed eye contact that creates individual connection across a group. Replaces scanning and ceiling-gazing with intentional engagement.
Chapter 7HideHide detailsSee detailsDelivery Modes and Adaptive Speaking
Delivery Modes and Adaptive Speaking
Lesson 1 • Extemporaneous Speaking Mastery
Develops the preparation-to-delivery workflow for extemporaneous speaking as the professional default. Integrates outlining skills from Chapter 5 with prosodic control from Chapter 4.
Lesson 2 • Impromptu Speaking Frameworks
Trains structured response frameworks for unplanned speaking moments. Reduces panic by providing instant organisational scaffolding.
Lesson 3 • Adapting Delivery to Context
Applies delivery adjustments for room size, formality level, and audience energy. Connects audience analysis from Chapter 1 to real-time delivery decisions.
Lesson 4 • Handling Disruptions and Mistakes
Prepares speakers to recover from technical failures, audience interruptions, and personal errors without losing composure. Resilience is practised through simulation.
Lesson 5 • Four Delivery Modes Compared
Defines and demonstrates memorized, manuscript, extemporaneous, and impromptu modes with context-specific trade-offs. Provides the decision framework used throughout the chapter.
Chapter 8HideHide detailsSee detailsAdvanced Rhetoric and Persuasion
Advanced Rhetoric and Persuasion
Lesson 1 • Storytelling as Persuasion
Frames narrative structure as the most powerful persuasive vehicle available to speakers. Integrates story hooks from Chapter 5 into full persuasive arcs.
Lesson 2 • High-Stakes Speaking Scenarios
Applies all rhetorical tools to board presentations, crisis communications, and keynote addresses. Synthesises every prior chapter into integrated performance under pressure.
Lesson 3 • Handling Objections and Counterarguments
Trains proactive acknowledgment and rebuttal of opposing views to strengthen persuasive positions. Demonstrates intellectual honesty that reinforces ethos.
Lesson 4 • Rhetorical Devices for Impact
Introduces anaphora, tricolon, antithesis, and metaphor as tools for memorability and persuasion. Each device is practised in original speech segments.
Lesson 5 • Ethos, Pathos, and Logos in Practice
Operationalises Aristotle's three appeals as concrete speech design choices. Builds on credibility concepts from Chapter 1 and structure from Chapter 5.
Your valid completion certificate
This course is for you:
Managers: need to motivate teams and run meetings that actually land.
Job seekers: want to interview with confidence and leave a lasting impression.
Entrepreneurs: must pitch ideas persuasively to investors, clients, and partners.
Educators: aim to hold a room's attention and communicate lessons more clearly.
Healthcare professionals need to explain complex information to patients with clarity.
Community advocates: want their message to move audiences and inspire real action.
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