Around the world, which of the following words would be most likely to be among the first words that infants would learn (translated into their own language, of course)?

There is growing evidence that genetic factors are involved in ______

a. virtually no mental disorders b. only a few mild psychological problems c. only a couple of severe mental disorders, and virtually no mild psychological problems d. a wide variety of mild to severe psychological problems

Studies of child-care quality in the United States found that __________ percent of child-care centers and family child-care settings provide infants and toddlers with sufficiently positive, stimulating experiences to promote healthy psychological

development. A) 5 to 10 B) 20 to 25 C) 35 to 40 D) 50 to 60