Sure! Here are the evaluations for each choice:
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Ends sentences with a rising tone - Ineffective (This can sound like uncertainty or a question rather than a statement.)
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Speaks in declarative sentences - Effective (Declarative sentences convey confidence and clarity.)
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Shifting gaze across the audience while speaking - Effective (This engages the audience and makes the speaker appear more approachable.)
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Using filler statements such as "like" or "I mean" - Ineffective (Filler statements can undermine the speaker's authority and distract from the message.)