In the Experiment by Tordoff and Friedman (1988), Reduced Eating

question 36

Multiple Choice

In the experiment by Tordoff and Friedman (1988) , reduced eating in a hungry rat was noted after

• A) infusions of glucose or fructose into the hepatic portal vein.
• B) removal of nutrients from the stomach.
• C) the investigators cut the hepatic branch of the vagus nerve.
• D) placement of nutrients directly into the stomach.
• E) 2-DG was injected into the hepatic portal vein.

Understand that correlation does not imply causation.

Recognize the elements that contribute to the external validity of correlational research.

Comprehend the meaning and calculation of correlation coefficients, including their direction and magnitude.

Distinguish between different magnitudes of correlation coefficients and their implications for statistical significance.

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