Human beings make similar judgements of the trustworthiness and dominance of an unfamiliar speaker after hearing just a single word, new research shows, suggesting the old saying that ‘first impressions count’ might well be correct.

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Human beings make similar judgements of the trustworthiness and dominance of an unfamiliar speaker after hearing just a single word, new research shows, suggesting the old saying that ‘first impressions count’ might well be correct.