Scientistshaverecentlydiscoveredthatmotherstendtoholdth...
问题详情：Scientistshaverecentlydiscoveredthatmotherstendtoholdtheirbabyontheleft．Of255right-handedmothers，83％heldthebabyontheleft．Andoutof32left-handedwomen，78％heldthebabyontheleftAsacontrol（参照实验），womenwere...