What is a hypothesis regarding why breast-fed infants tend to score higher than bottle-fed infants on measures of cognitive functioning?
a. They actually do not; this has been an artifact of research.
b. Mothers who breast-feed are considerably more intelligent than those who do not breast-feed.
c. Breast milk contains nutrients that promote early brain development
d. Mothers play with their infants during breast-feeding.
C. Breast-fed infants tend to score higher than bottle-fed infants on measures of cognitive functioning, perhaps because the nutrients in breast milk promote early brain development.
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Which of the following can be said about a 5-month-old infant grasping an object?
a. She can be increasingly successful at grasping objects. b. She may be able to grasp the object, but does not know how to let go of it. c. She is probably using the ulnar grasp. d. All of these can be said about a 5-month-old's grasping behavior.
A person complains that her hair is gradually turning into wire and her bones are slowly falling to her feet. While explaining this, she will sometimes laugh hysterically and at other times cry. Which form of schizophrenia would be a likely diagnosis in this case?
A. paranoid B. catatonic C. melancholic D. disorganized
Anabolic steroids are synthetic drugs that resemble __________
a. estrogen b. progesterone c. testosterone d. both estrogen and progesterone
Jessica is a highly successful, young professional. Although she is definitely ambitious, she does not seem to be overly competitive, impatient, in a rush, or easily angered. Jessica likely exhibits _____
a) Type B behavior pattern. b) competitive personality disorder. c) Type D behavior pattern. d) Type C behavior pattern.