Laughter and effective presidential leadership: A case study of Ronald Reagan as the 'great communicator'.

However a highly significant between-subjects effect across the three humour groups was revealed: F [2, 280] = 4.078, p = .018, partial η 2 = .028.

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Likewise, Stahl’s perceived aggressiveness failed to reach statistical significance ( F [2, 280] = 2.722, p = ns).

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