In a(n) _____ frequency distribution, scores are placed into

In James Galloway and Esther Thelen's microgenetic study following babies from their first attempts until skill mastery, the infants

A) scooted before crawling. B) first explored the toys with their feet. C) violated the proximodistal trend. D) required adult instruction to acquire motor skills.

The process in which semen from a man with a low sperm count is collected during several ejaculations, stored, mixed together and then placed in a woman's vagina at the time of ovulation is called

a. artificial coitus b. artificial insemination c. in vitro fertilization d. immaculate conception