6 mistakes to avoid when speaking in public

6 erros para evitar ao falar em público

Public speaking can be one of the greatest professional challenges, and even with all the preparation in the world, there are some mistakes we make without realizing it.

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Over the years, I have observed certain patterns in the speeches of both novice and experienced speakers.

However, by avoiding them, we can transform our presentations, making them more engaging and effective.

Next, I'll share the six main mistakes we should avoid when speaking in public. Let's go?

1. Lack of Adequate Preparation

Preparation is the foundation of any successful presentation. Many people think they can "improvise," but this is a big mistake when speaking in public.

A lack of planning is reflected in disorganized and disjointed speech. Even if you have a good understanding of the subject, organizing your ideas is essential for conveying clarity.

A survey by Harvard Business Review It showed that 70% of professionals who prepare adequately are able to engage the public more effectively.

This happens because preparation builds confidence and reduces anxiety. I always recommend: study your audience, organize your ideas into topics, and practice a lot.

Remember that improvisation is the result of a lot of practice.

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Proper PreparationImprovisation
Planning and rehearsalLack of clarity
Public awarenessDisorganization of ideas
Confidence in speechInsecurity

2. Mistakes to avoid when speaking in public: Ignoring Body Language

When we speak in public, our body speaks volumes. Many focus so much on the verbal content that they forget the importance of posture, gestures, and eye contact.

The absence of good body language can convey an image of disinterest or nervousness, something we definitely don't want.

Studies show that 55% of our communication is nonverbal. This includes gestures, facial expressions, and posture.

To avoid this mistake, maintain an upright but relaxed posture and make eye contact with the audience.

Don't overdo the gestures, but use them naturally to reinforce your words.

A practical tip I often use is to record myself practicing. This way, I can see if my movements are aligned with the content I'm conveying.


3. Speaking too fast or too slow

The speed of speech is a factor that can make or break a presentation.

Speaking too fast can make it difficult for the audience to follow your ideas, while speaking too slowly can generate disinterest. Finding the ideal pace when speaking in public is an art.

According to a study by American Speech-Language-Hearing AssociationThe ideal speaking speed for public presentations is between 140 and 160 words per minute.

This pace allows the audience to absorb the information without feeling bombarded, but without time to get distracted.

I always suggest practicing with a timer, adjusting your speaking speed until it feels comfortable and effective.

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4. Do not consider the public.

One of the biggest mistakes when speaking in public is forgetting who you're speaking to.

Each audience has different needs and expectations, and ignoring this can cause your message to be poorly received.

Speaking to a group of executives is very different from speaking to students, for example.

I always say that understanding your audience is half the battle. Before a presentation, ask yourself: what is their level of knowledge about the topic?

What are their interests? What solutions are they hoping for? Tailoring your message to these answers makes all the difference.

Personalization, in particular, is one of the points highlighted in a survey by TED Talkswhich revealed that the most effective speakers adapt their content to their audience, increasing engagement by up to 30%.


5. Mistakes to avoid when speaking in public: Excessive Slides and Text Usage

falar em público

Another common mistake is relying too heavily on slides. The slide presentation should complement your speech, not be the main focus.

Using too many slides or filling them with text causes the audience to disconnect, as they end up reading instead of paying attention to what you are saying.

I usually follow the rule of "one slide every three minutes" and use as little text as possible.

Images and graphics are more effective at reinforcing your message, while excessive text can overwhelm the audience.

Remember: you are the center of the presentation, not your slides.

Furthermore, using slides excessively can also cause a phenomenon known as "death by PowerPoint," which is when the audience loses interest due to the bombardment of visual information. Balance is key.


6. Mistakes to avoid when speaking in public: Lack of Breaks

Last but not least, a lack of pauses is a mistake that compromises the clarity of your speech.

Many people are afraid to take breaks, believing that this demonstrates nervousness or a lack of mastery of the subject.

However, pauses are essential to give the audience time to absorb the information.

Pausing between sentences or important points creates suspense and keeps the audience's attention. A well-timed pause can have as great an impact as the words themselves.

I suggest practicing inserting strategic pauses during your speech, especially after key points.

In addition, pauses also help regulate your breathing, better controlling anxiety and ensuring clearer and more natural speech.


Conclusion

Public speaking requires more than just subject matter knowledge. It demands planning, practice, and attention to detail.

By avoiding these six mistakes, your presentations will be much more effective and engaging. Remember that communicating well is a skill that can be learned and improved over time.

As Mark Twain said, "There are two types of speakers: the nervous and the liars." We all face challenges when speaking in public, but with preparation and practice, these challenges can be overcome.

And you, are you ready for your next presentation?

With these steps, it will certainly be easier to win over the audience and turn each speech into an opportunity to stand out.


References

  • Harvard Business Review. (2022). “The Power of Preparation: How to Engage Your Audience.”
  • American Speech-Language-Hearing Association. (2021). “Optimal Speaking Rate for Effective Communication.”
  • TED Talks. (2023). “The Key to Engaging Public Speaking: Know Your Audience.”

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