Pregnant women who are over 30 years old are
A) more likely to give birth prematurely than younger women.
B) more likely to give birth to babies with low birth weight than younger women.
C) less likely than younger women to consult a physician for regular prenatal checkups.
D) more likely to require caesarian sections for delivery than younger women.
D
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The difference in proportion of correct responses for each item between the top third of the class and the bottom third of the class is an example of a(n)
a. point biserial correlation. b. discrimination index. c. item difficulty. d. guessing threshold.
___________ proposed that two things have to happen before emotion occurs: physical arousal and labeling of that arousal
a) Yerkes and Dodson b) James and Lange c) Cannon and Bard d) Schachter and Singer
The approach in which social psychologists attempt to determine whether and to what extent different variables are related to each other is called
a. naturalistic observation. b. survey research. c. correlational method. d. experimental methods.
The notion that quality of life is a subjective experience assumes that ______.
A. patients may provide the most valid assessments of their quality of life B. reliable and valid measures will never be developed C. psychosocial and economic factors must be considered instead of measures of physiological functioning D. quality of life is independent of changes in chronic illness and its treatment