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Receptive language skill (A) and expressive language skill (B) as a function of RDBM handedness class. Error bars denote standard error. The PL-5 is normed at 100 with a standard deviation of 15. L-Mod R=Left hand preference with a moderate amount of right hand use, R-Mod L=Right hand preference with a moderate amount of left hand use, R-Mild L=Right hand preference with a mild amount of left hand use. *Denotes p < .05.
