What is the evidence that the soothing function of sucking need not be learned through experience?
A. Babies mimic the sucking motion when at rest or during sleep.
B. As a baby outgrows colic, their rooting reflex also strengthens.
C. Babies who cry incessantly or become easily agitated typically show a weak rooting reflex at birth.
D. Sucking on a pacifier decreases crying and agitated movement in hungry neonates.
Answer: D
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Only one pretest-posttest score pair reflects the treated group in the ____ design
a. RD b. RPD c. NEGD d. ANCOVA
Maxine believes that ingesting the experimental drug theratonin increases aggressive behavior by making aggressive thoughts highly accessible. Sam believes that ingesting theratonin increases aggressive behavior by (1) making aggressive thoughts highly accessible and (2) making people worry less about the consequences of their behavior. If we knew that theratonin does increase aggressive behavior
but knew nothing else, which theory should we prefer? A) Maxine's theory – because it is more testable than Sam's theory B) Maxine's theory – because it is more parsimonious than Sam's theory C) Sam's theory – because it is more testable than Maxine's theory D) Sam's theory – because it is more parsimonious than Maxine's theory
A researcher wants to obtain good structural views of the brain as well as information on ongoing changes in brain activity. Which of these would be the best choice for this researcher?
a) electroencephalography (EEG) b) computerized axial tomography (CT) scan c) positron emission tomography (PET) scan d) functional magnetic resonance imaging (fMRI) scan
Smoking represents a major medical problem in the United States, with about ____ people each year dying from smoking-related disorders.
A. 4,000 B. 40,000 C. 400,000 D. 4,000,000