Which of the Following Is a Valid Generalization About Gross

Multiple Choice

Which of the following is a valid generalization about gross motor skill development?

A) The sequence of development of gross motor skills is unpredictable.
B) There can be wide age variations in children's development of certain gross motor skills.
C) Practice has no influence on the development of gross motor skills.
D) Babies who are not walking by 1 year of age should be examined by a medical professional.