Mind-Body Mindblower: Posture Affects Estimates

Scientific American:

How many Michael Jackson songs do you think became Number 1 hits? How tall do you think the Eiffel Tower is? How good is your posture? Believe it or not, how you sit or stand could affect your answers. Because a new study finds that our estimates are skewed by the position of our bodies. The work is in the journal Psychological Science. [Anita Eerland, Tulio Guadalupe and Rolf Zwaan, Leaning to the Left Makes the Eiffel Tower Seem Smaller: Posture-Modulated Thought, in press]

Dutch researchers rigged a Wii Balance Board to subtly tilt left, right, or remain flat while students stood on the board and answered estimation questions. In order to prevent the students from perceiving a bias, they were told to stand up straight—and a screen informed them that they were upright even when their bodies were actually leaning to one side. When the board tilted so that the participants leaned left, their estimations were smaller than when they were standing up or leaning right.

Read the full story: Scientific American

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