The p-value criterion for hypothesis testing is to reject the null hypothesis if:
a. p-value = ?
b. p-value < ?
c. p-value > ?
d. -? < p-value < ?
B
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Which of the statistical techniques below does not involve a metric independent variable (Figure 16.1 in the text)?
A) t test B) ANOVA C) regression D) Both A and B are correct.
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Direct-to-consumer marketing by pharmaceutical companies and the vast amount of health information available to patients on websites has consumers ready to self-diagnose and self-prescribe.
Answer the following statement true (T) or false (F)
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High validity and can provide triangulation are two advantages of which of the following data gathering methods?
a. focus groups b. surveys/questionnaires c. observations d. unobtrusive measures
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What is the purpose of the randomized block design?
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