Author Question: According to research by Bushnell and Boudreau (1993), infant object manipulation evolves through ... (Read 13 times)

azncindy619 · **on:** Jun 22, 2018

According to research by Bushnell and Boudreau (1993), infant object manipulation evolves through three phases with the first being

A. one hand positioning the object while the other manipulates and explores it
B. holding the object with various grips while occasionally poking, scratching, rubbing, waving, or banging it
C. holding the object with one hand and occasionally bringing it to the mouth
D. holding the object with both hands

Question 2

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

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