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A Nutritionist Conducted an Experiment on Memory for Dreams

question 20

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A nutritionist conducted an experiment on memory for dreams.She wanted to test whether it really was true that eating cheese before going to bed made you have bad dreams.Over three nights,the nutritionist fed people different foods before bed.On one night they had nothing to eat,a second night they had a big plate of cheese,and the third night they had another dairy product,milk,before bed.All people were given all foods at some point over the three nights.The nutritionist measured heart rate during dreams as an index of distress.Which statement is the correct way to report these results? A nutritionist conducted an experiment on memory for dreams.She wanted to test whether it really was true that eating cheese before going to bed made you have bad dreams.Over three nights,the nutritionist fed people different foods before bed.On one night they had nothing to eat,a second night they had a big plate of cheese,and the third night they had another dairy product,milk,before bed.All people were given all foods at some point over the three nights.The nutritionist measured heart rate during dreams as an index of distress.Which statement is the correct way to report these results?     A) There was no significant effect of food on the distress caused by memories,F(2,76) = 2.27,p = .11. B) There was a significant effect of food on the distress caused by memories,F(2,76) = 2.27,p < .05. C) There was a significant effect of food on the distress caused by memories,F(1.97,74.90) = 2.27. D) There was no significant effect of food on the distress caused by memories,F(1.97,74.90) = 2.27. A nutritionist conducted an experiment on memory for dreams.She wanted to test whether it really was true that eating cheese before going to bed made you have bad dreams.Over three nights,the nutritionist fed people different foods before bed.On one night they had nothing to eat,a second night they had a big plate of cheese,and the third night they had another dairy product,milk,before bed.All people were given all foods at some point over the three nights.The nutritionist measured heart rate during dreams as an index of distress.Which statement is the correct way to report these results?     A) There was no significant effect of food on the distress caused by memories,F(2,76) = 2.27,p = .11. B) There was a significant effect of food on the distress caused by memories,F(2,76) = 2.27,p < .05. C) There was a significant effect of food on the distress caused by memories,F(1.97,74.90) = 2.27. D) There was no significant effect of food on the distress caused by memories,F(1.97,74.90) = 2.27.


Definitions:

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples to determine if their population mean ranks differ.

Null Hypothesis

The presumption of no association or effect between variables until evidence indicates otherwise, used as a benchmark for statistical significance testing.

Cholesterol Levels

Measures of the total amount of cholesterol in the blood, including low-density and high-density lipoprotein cholesterol.

Special Diet

A diet that is tailored to meet specific health conditions, nutritional needs, or food preferences of an individual.

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