SSS 2011-11-28

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How many Michael Jackson songs do you think became Number one hits? How tall do you think the Eiffel Tower is? How good is your posture¹? Believe it or not, how you sit or stand could affect your answers. Because a new study finds that out estimates are skilled by the position of our bodies. The work is in the journal Psychological Science. Dutch researchers rigged a balance board to subtly tilt² left, right, or remain flat while students stood on the board and answered estimation questions. In order to prevent the students from perceiving a bias³, they were told to stand up straight and a screen informed them taht they were upright even when their bodies were actually leaning to one side. When the board tilted⁴  the participants leaned left, their estimations were smaller than when they were standing⁵ up or leaning right. The fact that posture affected⁶ participants answers indicateds that the decision-making process isn't rational as it may feel. Amazingly enough, unconscious factors like tilting⁷ your body can also tilt your best guess. 

Thanks for the minute for Scientific American, 60-second science. I'm Sophie Bushwick.

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