________ refers to the soundness of the conclusions that a researcher draws from an experiment.
A. Reliability
B. Validity
C. Accuracy
D. Stability
Answer: B
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Why are African-American babies twice as likely to die from SIDS? a. They are more genetically predisposed to the disease
b. They are more likely to have blood diseases that predispose them to SIDS. c. Their parents are less intelligent than other parents. d. They are more likely to be put to bed on their stomachs.
Approximately how many Americans fell below the poverty line in 2011?
a.7,000,000 b. 10,000,000 c. 23,000,000 d. 46,000,000
Which definition best describes the "age of viability"?
A. the point at which an infant can survive prematurely, approximately 22 weeks B. the point at which an infant can survive prematurely, approximately 6 months C. the point at which an infant can survive prematurely, approximately 3½ months D. when an infant is born earlier than 25 weeks
Which neuroimaging technique uses electrical activity to measure neural activity?
a. CT scan b. MRI scan c. ERP recordings d. special populations