Practice Quiz

Registered Dietitian

Category - Nutrition Science

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A linear correlation coefficient (r) of 1.0 in a research study indicates:
  1. A perfect correlation between the study variables
  2. No correlation between the study variables
  3. A negative correlation between the study variables
  4. Not enough information is provided to make an assessment
Explanation
Answer: A - A linear correlation coefficient (r) of 1.0 in a research study indicates a perfect correlation between the study variables, and means that the relationship between the variables is very strong. In research studies, r values of 0.5 or greater indicate strong correlations, while r values below 0.5 indicate weaker correlations.
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