2.1: What Is Communication Apprehension?

Introduction to Communication Apprehension

Many students feel nervous when they think about speaking in front of an audience or about a communication encounter, and this anxiety is known as communication apprehension (CA) and is a normal part of public speaking. Even experienced teachers and speakers feel anxiety before presenting, especially when they are advocating for ideas or engaging an audience that may or may not be receptive. Two common sources of this apprehension are the fear of failure and the fear of rejection, both of which are heightened by past experiences, lack of preparation, or self-doubt. According to scholars at the University of Wisconsin, Stout (2015), this fear can be intensified by cognitive distortions such as all-or-nothing thinking, overgeneralization, and fortune telling, where speakers expect the worst regardless of how well they prepare.

New speakers also often compare themselves to expert communicators and wonder if they are good enough or credible enough to be heard. This internal doubt, combined with the mistaken belief that intelligence and skill are fixed traits, causes some students to give up on learning how to speak effectively. Just as some might say, “I’m not good at math,” others assume they’re simply not natural at public speaking. These false beliefs prevent growth and create unnecessary fear. It’s important to understand that public speaking is a learnable skill that improves with practice and education.

Public speaking is a uniquely embodied experience.  Unlike writing a paper, you must deliver your message using your whole body in front of others. This physical aspect adds to the discomfort and anxiety, but also offers an opportunity for growth and self-expression. Learning how to manage communication apprehension means retraining your thoughts, your body, and your expectations. With support, feedback, and practice, you can build both your confidence and competence as a speaker.

 

Figure \(\PageIndex{1}\):Anxious student (OpenAI. (2025). ChatGPT (Aug 14 version) [Large language model]. https://chat.openai.com/chat)

Definition of Communication Apprehension

According to James McCroskey, communication apprehension (CA) is the broad term that refers to an individual’s “fear or anxiety associated with either real or anticipated communication with another person or persons” (McCroskey, 2001). When we experience communication apprehension, the fear starts in the mind but quickly triggers a physical response. The body reacts to this perceived threat with a fight or flight response, releasing stress hormones and preparing for physical action, even though all we’re doing is speaking and not running or fighting (Sapolsky, 2004). Because the body cannot distinguish between emotional and physical threats, this reaction often produces excess energy that interferes with effective public speaking. Symptoms like a racing heart, trembling, or sweating are not harmful but can make speaking more difficult. However, by understanding how the body responds to stress, we can learn to manage these reactions and reduce anxiety.

While public speaking is one of the most common triggers, apprehension can also occur in small groups, interviews, or interpersonal conversations. Research shows that approximately 70-77% of people experience some level of public speaking anxiety, making it one of the most widespread social fears (Dwyer and Davidson, 2012). This fear can negatively impact performance, self-esteem, and willingness to participate in academic or professional settings. Communication apprehension is not a sign of poor ability but it is a response that can be understood, managed, and reduced through practice and support. By learning strategies to cope with this fear, students can become more confident, effective communicators across a variety of contexts.

Physiological Symptoms of Communication Apprehension

When people experience communication apprehension, the body often reacts with a variety of physiological symptoms that can feel overwhelming or even alarming. These physical responses are part of the body’s natural stress reaction, often called the fight or flight response, which prepares the body to respond to a perceived threat (Sapolsky, 2004). There are a number of common physical sensations associated with communication apprehension that can feel overwhelming or even alarming. We might notice our heart pounding or our hands feeling clammy. We may break out in a sweat, get sweaty palms, get a dry mouth, shortness of breath and experience muscle tension. We may have stomach butterflies or even feel nauseated. Our hands and legs might start to shake, or we may begin to pace nervously. Our voices may quiver, and we may have a dry mouth sensation that makes it difficult to articulate even simple words. Breathing becomes more rapid and, in extreme cases, we might feel dizzy or light-headed. Anxiety about communicating is profoundly disconcerting because we feel powerless to control our bodies. Furthermore, we may become so anxious that we fear we will forget our name, much less remember the main points of the speech we are about to deliver.  For many students, these symptoms appear just before giving a class presentation or speaking up during a group discussion. While it might feel like something is wrong, these sensations are actually normal biological reactions to stress.

The physiological changes produced in the body at critical moments are designed to contribute to the efficient use of muscles and expand available energy. Circulation and breathing become more rapid so that additional oxygen can reach the muscles. Increased circulation causes us to sweat. Adrenaline rushes through our body, instructing the body to speed up its movements. It is important to understand that your body cannot always tell the difference between being chased by danger and standing in front of your peers. When you're preparing to give a speech, your brain perceives a potential threat such as the fear of failure, judgment, or embarrassment and your body responds as if you are in physical danger (Beatty, 1988). This adrenaline rush can cause your voice to shake or your legs to feel weak. For example, a student might notice their hands trembling while holding note cards or feel their voice crack when introducing themselves on the first day of class.

The important thing to understand is that these reactions do not mean you’re incapable of speaking well. In fact, these symptoms show that your body is ready for action. When we learn to accept and manage our emotional and physiological symptoms you can turn that nervous energy into a focused performance through deep breathing, preparation, or visualization. As researcher James McCroskey (1977) pointed out, communication apprehension becomes more manageable when speakers understand both the causes and the physical manifestations of their fear. Over time and with practice, students can reduce these symptoms and become more comfortable in public speaking settings.

Example \(\PageIndex{1}\)

Maria is a first-year college student who has always been nervous about speaking in front of others. When her public speaking professor assigns a 3-minute introductory speech, Maria immediately feels her heart race and her stomach tighten. The night before her speech, she keeps thinking,"If I mess this up, everyone will think I'm stupid." This is an example of fortune telling which involves predicting a negative outcome before it happens. She also compares herself to her classmate Jordan, who speaks confidently and seems “born for the stage,” reinforcing her false belief that good speakers are just naturally talented.

On the day of the presentation, Maria notices her palms are sweaty, her mouth is dry, and her hands are shaking. These physical changes are classic physiological symptoms of communication apprehension triggered by the fight or flight response. But instead of giving up, Maria takes three deep breaths, reminds herself that nervousness is normal, and begins her speech. Her voice trembles at first, but she finishes strong, and several classmates compliment her effort.

Afterward, Maria reflects on what helped her succeed: practicing out loud, breathing exercises, and changing her inner dialogue from"I can't do this" to "I've prepared and I'm improving." Like many students, Maria realizes that public speaking is a learnable skill, and her confidence grows with each experience.

 Key Takeaways 

• Communication apprehension refers to the fear or anxiety people experience at the thought of being evaluated by others. Some anxiety is a normal part of the communication process and is rooted in psychological and physiological responses.
• The psychological threat individuals perceive in the communication situation prompts physiological changes designed to help the body respond. These physical reactions to stress create the uncomfortable feelings of unease called speech anxiety and may include sweaty palms, shaking, butterflies in the stomach, and dry mouth.
• Public speaking is a learnable skill, and anxiety can be managed through preparation and self-awareness.

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Exercises

• Create an inventory of the physiological symptoms of communication apprehension you experience when engaged in public speaking. Which ones are you most interested in learning to manage?
• Close your eyes and imagine yourself walking confidently to the front of the room, delivering your speech smoothly, and receiving applause. Then write a one-paragraph script of what you visualized and how it made you feel.
• Form a small group with 2–3 classmates. Each person gives a short 1-minute talk (on any topic), followed by supportive feedback from the group. Focus on identifying aspects of communication apprehension and celebrating signs of progress, not perfection. Track how your comfort level changes with repetition.

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Attribution

• Public Speaking As Advocacy Communication Apprehension Speakout, Call in (Why have anxiety and how to work on it)(opens in new window) is shared under a CC BY-NC-SA (opens in new window) license and was authored, remixed, and/or curated by Meggie Mapes(opens in new window).
• What Is Communication Apprehension?(opens in new window) by Anonymous is licensed CC BY-NC-SA 3.0(opens in new window). Original source: Public Speaking Practice and Ethics