1, One of your classmate is not good at speaking what can you advise her to do for improving?

Instructor
Instructors keep their content organized rigorously to support topics and cover their material in a methodical manner. They tend to be descriptive and sometimes, prescriptive in their approach to the presentation topic. Instructors are generally those presenters who are extremely educated about their subject.
Many presenters employ this presenting approach while addressing a complicated to their audience. They use a variety of artifacts to do justice to their instructional approach: employing common words, figures of speech, analogies, and pictures to simplify a complex issue for the audience to grasp.
Director
Directorial presenters tend to have a very clear idea of what they want out of the session. They orchestrate many pieces and are very specific in terms of the feedback they need, action items they want to assign, their expectations of the audience, etc.
They normally create and adhere to a concise script, with little to no improvisation throughout the presentation.
Directorial presenters usually prepare for limited points at a given moment throughout the presentation to ensure that they remain in control and on the topic at the same time.
Storyteller
Storytellers do not require a lot of figures, data, or statistics in their content. They frequently use anecdotal and emotional content to capture the audience’s attention and connect with them.
They usually begin with narratives that relate to the main theme of the presentation. They intuitively understand that most of us are wired for stories and end up paying more attention to the presenter when the content is presented in a story format.
Analyst
Analysts are obsessed with accuracy, correctness, and advancement, and they rely extensively on logic, data, facts, and figures to convey their points. They can be highly reliant on their material and want to add plenty of evidence eg graphs, charts, and other artifacts to support their arguments.
Analysts enjoy quantifying information. And tend to do well on topics that lend themselves to such treatment. Many Analyst presenters also have enormous potential to improve their talents by thinking of how to win the hearts in addition to the minds of the audience by adding a variety of communication, narrative, and slide design abilities.
Facilitator
The Facilitators’ primary goal is to crowdsource their content during the presentation. Facilitators are already in a good position to flourish as excellent presenters since presenting is all about people.
Facilitators tend to make heavy use of templates to get inputs from their audience in a structured manner. They are naturally mature communicators who are skilled at leveraging the energy and knowledge of the audience to spur great discussions.
Free Form
Who says you need fancy slides and extensive scripts to give a successful presentation?
Creativity speakers like Sir Ken Robinson demonstrate that if you know what you want to say, have 2-3 main points in mind, a decent sense of humor, and some tales to relate and illustrate your ideas, you’re set to go even without slides or a script.
This unplanned presenting style may intimidate some, but it may excite others who feel confined by rules and structure.
If you want something a little less intense, you may just create a simple deck with keynotes or parts. Avoid storing significant amounts of info in your mind, as you would with a minimalist approach.

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