Skip to main content
. Author manuscript; available in PMC: 2009 Mar 11.
Published in final edited form as: Cortex. 2006 Jan;42(1):90–93. doi: 10.1016/s0010-9452(08)70326-5

Fig. 2.

Fig. 2

Mean handedness index (+ s. e.) for 4 behavioral measures collected in the YERKES and BASTROP chimpanzees colonies. As can be seen, HI scores were comparable across measures and colonies.