Caleb was delivered at 22 weeks. Although the neonatal intensive care unit was heroic in their
efforts, Caleb died one week later. His death was most likely due to lack of immaturity of the
a. lungs.
b. heart.
c. brain.
d. muscles.
a. lungs.
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Research (e.g., Freedman et al., 2001) reveals that critically ill patients may experience as many as ______ disruptions per night in the hospital.
A. 15 B. 25 C. 40 D. 60
A process of ____ occurs in which women or men and girls or boys begin to evaluate themselves according to external standards
a. social comparison b. maladaptive perfectionism c. self-evaluation d. dieting
Catherine is interested in the sleep spindles and K-complexes observed on EEG recordings during sleep. Which of the following methods might she use to increase their occurrence?
A. Decrease the amount of artificial light the participant is exposed to prior to sleep. B. Decrease the amount of noise and interruptions while the participant is falling asleep. C. Increase the amount of interruptions while the participant is trying to sleep. D. Increase the amount of moderate, ambient noise the participant needs to tune out in order to sleep.
A student sets a computer program to record participants' responses to materials in her experiment to the millisecond, rather than to the tenth of a second. Which characteristic of the measuring instrument is the student trying to ensure?
A. accuracy B. precision C. validity D. reliability