Sаfety glаsses, fаce shields, оr оther eye and face prоtectors must be worn when
2. A cоrrelаtiоn is used when:
1. Reseаrchers whо study the prоcess оf reаding in children hаve discovered that better readers make smoother eye movements across the page (i.e., there is a positive correlation between reading skill and the smoothness of the eye movements). Which of the following statements is a possible cause of the correlation between smooth eye movements and reading ability?