For a correlation of +1.00 or -1.00, what percent of the variation in the Y measure is accounted for by knowing the X measure?
a. 10
b. 20
c. 50 d. 100
ANSWER: d
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Although the mean score on an IQ test is 100, what is the mode (most common score)?
a. About 120 b. About 95 c. About 84 d. About 105
How do we know that intermodal perception is evident at birth?
A. because infants are born with fully developed sensory abilities B. because neonates have demonstrated the ability to show a preference for viewing their mother's face C. because intermodal perception is necessary for survival D. because fetuses are able to demonstrate intermodal perception in the womb
In the U.S. today, the number-one cause of death is: _______
a. cancer b. heart disease c. infectious diseases d. stroke
The text describes a Nurse-Family Partnership program that aims to improve outcomes for newborns. Which of the following statements is the best description for what this program involves?
a. Food supplements are delivered by nurses to low-income mothers beginning at the 3rd month and continuing on for 3 years after birth. b. Nurses provide counseling to at-risk mothers beginning in the prenatal period and continuing on for 2 years after birth. c. Nurses in the labor and delivery room with low-income mothers continue to visit them in their homes for 6 to 12 months to give advice on childrearing. d. Students in nursing school are paired with pregnant women so that they learn more about the psychological and social aspects of pregnancy and parenting.