In a Study by Newell and Associates (1989) of the Effects

In a study by Newell and associates (1989) of the effects of using various sizes of objects with preschool-age and adult subjects, what was found?

A) No differences existed between groups
B) Females at both age levels outperformed males
C) Adults used one hand 60 percent of the time, while children used one hand 38 percent of the time, with object-to-hand-size ratio being a significant factor
D) The younger subjects demonstrated slightly more use of the right hand, indicating that hand dominance is firmly established by age 4