Final answer:
Luz's practice of her speech in front of an audience helps her achieve delivery with fluency, expressiveness, and confidence, which is crucial for establishing credibility as a speaker and effectively conveying her message.
Step-by-step explanation:
By practicing her speech in front of an audience, Luz is working to achieve aspect D. Delivering a speech with fluency, expressiveness, and confidence. This component of credibility is vital because it ensures that the audience perceives the speaker as polished and authoritative. The practice also helps Luz to refine her delivery skills, which can make her presentation more engaging and impactful.
Fluency is important as it reflects the smooth flow and coherence of speech, while expressiveness adds emotional depth, and confidence assures the audience of the speaker's conviction in the topic. Moreover, practicing in front of an audience familiarizes the speaker with potential reactions, thus allowing for adjustments that may enhance the overall effectiveness of the speech.
Ultimately, speaking with fluency, expressiveness, and confidence will increase Luz's credibility and can persuade the PTO to consider integrating disability awareness into the curriculum. Her passion for the topic, coupled with a polished presentation, can have a strong influence on the decision-making process.