Content validity concerns whether the test
a. measures the theoretical concept it supposedly tests
b. measures the full range of behaviors represented by the concept
c. correlates with other valid tests
d. All of the these are true
b
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Depressed patients often walk and talk as though they are in slow motion; this quality is described by the term
a. hypomania. b. psychomotor retardation. c. dysphoria. d. morbid preoccupation.
Which of the following statements about infant nutrition is FALSE?
A) During the first six months after birth, infants need nutritional supplements for optimal growth. B) From 6 months to 12 months of age, iron-rich solid foods should be introduced gradually. C) Breastfeeding should begin preferably within the first hour after birth. D) Breastfeeding should continue at least until the infant is 12 months of age.