2.3 Analyzing the Impact of Nonverbal Cues on Communication

Enhancing or Undermining Verbal Messages

Nonverbal cues often work in tandem with verbal messages to clarify or reinforce meaning (Stoica, 2024). People assess a speaker as sincere when their nonverbal cues—like tone, gestures, or facial expressions—match what they are saying emotionally. For example, saying “I’m excited to work on this project” while smiling and maintaining enthusiastic eye contact is considered congruent verbal and nonverbal behavior. Nonverbal cues also act as reinforcement when they complement messages to offer a visual match to the verbal message, such as pointing while giving directions.

However, when nonverbal cues contradict verbal messages, they can undermine the message. Examples such as saying “I’m not upset” while crossing your arms and avoiding eye contact can lead to confusion or mistrust. Undermining nonverbal communication can also be unintentional, like the change in vocalics and facial expression that comes along with lying. An example of this is the fluctuation in tone and uneasy smile that might accompany telling someone that they look nice in their new outfit, betraying your true feeling that they do not, and undermining the compliment.

Communicating Nonverbally in Conflict Resolution

Nonverbal cues play a critical role in managing and resolving conflicts. Calm and open body language like uncrossed arms and appropriate eye contact signals receptiveness and a willingness to listen, while aggressive behaviors like pointing fingers or raising your voice can escalate tensions (Segrin & Flora, 2019). In conflict resolution, nonverbal communication can aid in de-escalating tensions. Tone of voice, posture, eye contact, and touch are all nonverbal signals used to foster a collaborative environment for resolving disagreements.

For example, leaning slightly forward and nodding during a heated discussion can show engagement and empathy, helping to diffuse anger and encourage constructive dialogue (Burgoon et al., 2021). The process of de-escalation involves understanding the emotional state of the other person and being able to encode a message that will decrease their volatility. Recognizing someone’s emotional state is the process of reading their tone of voice, posture, and eye contact. Various factors can display anxiety (e.g., raised tone, shifting weight from side to side, rapid movements in eye contact), sadness (e.g., such as somber tone of voice, slouched posture, avoiding eye contact), and anger (e.g., louder tone, confrontational posture, unbreaking eye contact) as well as a variety of other emotional states.

Replacing Verbal Communication

In some situations, nonverbal cues can entirely replace verbal messages, making communication more efficient. Examples include a nod or thumbs-up to convey agreement or approval, holding up your index finger while on the phone to let the person next to you know that you will be with them shortly, or putting in your earbuds to convey to the world that you don’t want to talk—all without words. In digital communication, emojis and GIFs often replace traditional nonverbal behaviors to convey tone and emotion (Baylor, 2020). An example of this is using a meme as a replacement for a written reply.

Nonverbal communication is rarely isolated; it works in intricate ways with verbal messages, often serving to enhance, clarify, or even complicate what is being said. Rather than just replacing verbal communication, nonverbal cues fulfill six key functions in relation to our words:

1. Complementing: Nonverbal cues can add to, elaborate on, or reinforce a verbal message, providing a richer and more complete understanding. For instance, when you tell a friend “I’m so excited!” while simultaneously jumping up and down and smiling broadly, your nonverbal behavior complements your verbal statement, making your excitement undeniable.

2. Substituting: As previously noted, nonverbal cues can, in some situations, entirely replace verbal messages, making communication more efficient. Examples include a nod or thumbs-up to convey agreement, holding up your index finger to signal “one moment,” or putting in earbuds to indicate you don’t want to talk—all without uttering a word. In digital communication, emojis and GIFs often act as substitutes for traditional nonverbal behaviors to convey tone and emotion (Baylor, 2020), such as using a meme as a replacement for a written reply.

3. Contradicting: Perhaps one of the most powerful functions, nonverbal cues can send a message that is directly opposite to the verbal one, creating mixed signals. If someone says, “I’m not angry,” but their jaw is clenched, their eyes are narrowed, and their voice is tight, their nonverbal communication contradicts their verbal statement. In such cases, people often place more trust in the nonverbal cues as they are perceived as less intentional and more revealing of true feelings.

4. Accenting: Nonverbal communication can emphasize or highlight specific parts of a verbal message, drawing attention to particular words or ideas. For example, slamming your fist on a table while saying, “No, you don’t understand!” powerfully accents the word “No” and the intensity of your frustration. Similarly, a pause before delivering crucial information can accentuate its importance.

5. Repeating: Nonverbal cues can duplicate or reiterate the verbal message, strengthening its impact and aiding recall. When you verbally say “Yes” while simultaneously nodding your head, the nonverbal action repeats the verbal message, reinforcing understanding for the receiver.

6. Regulating: Nonverbal cues play a vital role in managing the flow and pace of conversation, signaling when it’s appropriate for someone to speak or when a turn is ending. Eye contact, head nods, leaning forward, or even a shift in posture can act as regulators, indicating to others that you are listening, you wish to speak, or you are ready for the conversation to conclude.

The dynamic interplay between these six functions illustrates that nonverbal communication is not merely an auxiliary to words but an integral and often dominant component of how meaning is created and understood in human interaction.

Shaping Perception and Emotional Expression

Nonverbal communication significantly influences how others perceive us and how we express emotions. For instance, when meeting your partner’s parents for the first time, your initial nonverbal cues are crucial in setting the tone for the encounter. A relaxed posture, a genuine smile, and offering appropriate space conveys respect and openness, signaling that you’re genuinely interested in getting to know them. Conversely, fidgeting, avoiding eye contact, or displaying a tense posture might be interpreted as nervousness or discomfort, potentially creating an unintended barrier. Furthermore, the subtle choices you make, like how you position yourself in relation to them, or how gently you touch a proffered hand, will all contribute to the first impression. A slight lean forward, for example, can show you are engaged in the conversation, while a rigid posture might make you seem aloof. Each nonverbal cue is a silent message, shaping the parents’ perception of you even before meaningful verbal communication takes place.

Many perceptions that we hold of others are greatly influenced by their nonverbal communication (Hall et al., 2019). We think of people as aggressive or assertive based on vocalics, proxemics, and kinesics: If someone has a growling voice, looms over you, and gesticulates widely, we perceive those traits as aggressive. We also base our attribution of emotional intelligence on nonverbal communication. Effective nonverbal behaviors in the area of haptics, vocalics, and chronemics are associated with a person’s empathy, which is an important aspect of emotional intelligence. If someone has a soothing voice, a comforting touch, and spends a lot of their time attending to our wants and needs, then we perceive them as empathetic. Nonverbal communication has a variety of different effects on our perception of others. It’s important to recognize that interpretations of nonverbal cues are not universal. Cultural background, neurodiversity, gender norms, physical ability, socioeconomic context, and age all shape how nonverbal behaviors are expressed and perceived.