Which of the following statements is true?
A. Fifty percent of deaths from the 10 leading causes of death in the United States can be traced to communicable diseases.
B. Smoking is the leading preventable cause of death in the United States.
C. Smoking has been estimated to cause around 80% of all deaths.
D. All of the these are correct
Answer: B
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A repeated-measures ANOVA produced an F-ratio of F = 4.00 with df = 1, 14 . If the same data were analyzed with a repeated-measures t test, what value would be obtained for the t statistic?
a. 2 b. 4 c. 16 d. Cannot determine without more information
What is the function of language at the formal operations stage?
What will be an ideal response?
How can researchers determine the heritability of a trait?
What will be an ideal response?
A researcher is studying factors that influence political philosophy (conservative or liberal). She finds that adopted children are more likely to share their political philosophy with their adoptive parents than their biological parents
Which of the following should she conclude? A) Genes have no influence on political philosophy. B) Adoptive parents are more likely to be liberal. C) Political philosophy has high heritability. D) Political philosophy has low heritability.