Centered around three core objectives--preparing students for civic life, respecting the diversity of the audience, and sensitizing students to the ethical impact of their words--Public Speaking offers both practical advice for public speaking and an understanding of why such advice works.The Seventh Edition introduces two models of oral communication--the Mechanical Model, which addresses the physical and technical constraints that shape communication, and the Identification Model, which points out the ethical consequences of oral communication.These concepts are brought to life through examples from real, student, and professional speeches; Discussion and Application exercises at the end of each chapter; and a variety of boxed features throughout the text.Integrated Technology icons in the margins point students to interactive exercises and resources on the VideoLab CD-ROM and Online SpeechStudio in Eduspace. The Stairway to Speech Success Model lays out the speech development process from start to finish to help students get started on preparing their first presentation.Discussion and Application Exercises allow students to practice skills in small group settings or on their own. These varied activities can be used in-class to promote discussion or assigned as homework.Chapter 2 on Communication Anxiety addresses this important subject when your students need it most--as they are preparing to give their first presentation. This chapter flows well into Chapter 3, Your First Speech.PowerPoint Tutorial offers instructions (including screenshots) on how to operate PowerPoint and how to use PowerPoint as an element of a presentation.The concept of argumentativepersuasion emphasizes the ethical importance of reasoning in areas such as the formation of public policy. A section on Listening to Persuasive Speeches addresses both how to be a thoughtful, active listener, and how--as a speaker--to anticipate and respond to questions from listeners. Chapter 16 introduces the Toulmin model of proofs to help students grasp how to make reasoning work productively in persuasive efforts.Ethics Alert boxes highlight ethical concerns or issues as they arise in the context of content, rather than confining the subject to a chapter on its own.Annotated Sample Student Speeches illustrate how the theories and principles discussed apply in real life.Speaker' s Notes provide students with useful suggestions for improving their presentations, and reinforce key principles and concepts.