In 2013, researchers who analyzed data from the Family Life Project, which made close observations of the home environment and mother–infant interaction, determined that the strongest predictor of executive functioning was ________

Negatively framed messages from health professionals are

a. rarely effective b. effective more often than positively framed statements c. effective for detection but not for prevention of illnesses d. exemplified by the following: "Feeling tired? Use Zippi natural vitamins"

By the end of Greta's first month of pregnancy, her embryo

A) can sense its world. B) is about ¼ inch long. C) can suck its thumb. D) can curl its toes.