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DieStrassenkinder t1_j2dyg3v wrote

That sounds like a really flawed study. How would the exclude other factors influencing the study group, like the absurdity of being told to hold a pencil in your mouth?

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drweenis t1_j2euitv wrote

By creating an equally absurd frown condition, holding the pencils in your teeth = grin, holding in lips = frown

1