Derek just finished giving a speech to his class, and asked for his classmates' feedback. The class thought Derek was well prepared and found the subject matter informative and easy to follow, but they noted that at certain points they felt as if Derek was shouting at them. Which aspect of the speech should Derek work on

Volume

Explanation:

The volume of speech varies from one speaker to another and answers why some talk softly while some speak loudly. It is the volume of speech that determines the loudness of sound. In an oral presentation the first prerequisite for a speaker is to consider if the sound can be heard by each one of the audiences. Microphones may cause volume problems either by producing distracting echo effect or by making speech volume too low. As per the question, Derek needs to work on his volume of speech.

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