Practice Quiz

Registered Dietitian

Category - Nutrition Science

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A researcher is investigating the effects of income on fresh fruit and vegetable consumption. Her data show that income and fresh orange juice consumption are positively associated at a “p” level of 0.001. What conclusion(s) can be drawn from the “p” value?
  1. There is no relationship between income and fresh orange juice consumption.
  2. Income is a strong predictor of fresh orange juice intake.
  3. People who make less money do not buy fresh orange juice
  4. Fresh orange juice is more expensive than frozen orange juice.
Explanation
Answer: B - The conclusion that can be drawn from this “p” value is that income is a strong predictor of fresh orange juice intake. In research studies the “p” value is a measure of significance of a study finding; the lower the value the more significant the association. “P” values below 0.05 are considered to be strongly significant.
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