The "beginnings of thought" substage of Piaget's sensorimotor period occurs during which age range?

Ache babies are carried nearly every minute of the day and do not walk until around age 2 years. What are the differences in gross motor development at age 6 years between Ache children and children who are not carried so much?

a. Ache children are much less active at age 6. b. Ache children are considerably less coordinated at age 6. c. There are no differences between groups at age 6. d. Remarkably, Ache children are more advanced at age 6,.

Men affected by even tiny amounts of dioxin in their bloodstream father

A) more twins and triplets than unaffected men. B) more boys than girls. C) nearly twice as many girls as boys. D) fewer children than unaffected men.