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Can Science Cure the Common Cold?
Chapter 1, Problem 5

One hypothesis states that eating chicken noodle soup is an effective treatment for colds. Which of the following results does this hypothesis predict? a. People who eat chicken noodle soup have shorter colds than do people who do not eat chicken noodle soup; b. People who do not eat chicken noodle soup experience unusually long and severe colds; c. Cold viruses cannot live in chicken noodle soup; d. People who eat chicken noodle soup feel healthier than do people who do not eat chicken noodle soup; e. Consuming chicken noodle soup causes people to sneeze

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1
Identify the hypothesis: The hypothesis states that eating chicken noodle soup is an effective treatment for colds.
Understand the prediction: A hypothesis predicts outcomes that we should observe if the hypothesis is true.
Analyze the options: Each option should be evaluated to see if it directly relates to the effectiveness of chicken noodle soup in treating colds.
Link the prediction to the hypothesis: The correct prediction would show a direct consequence of eating chicken noodle soup on the duration or severity of colds.
Eliminate unrelated options: Options that do not directly deal with the impact of chicken noodle soup on cold symptoms or duration should be considered irrelevant to the hypothesis.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Hypothesis Testing

Hypothesis testing is a statistical method used to determine the validity of a proposed explanation or prediction. In this context, the hypothesis suggests that eating chicken noodle soup can influence the duration or severity of colds. To test this hypothesis, one would compare the health outcomes of those who consume the soup against those who do not, looking for significant differences.
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Causation vs. Correlation

Causation refers to a direct cause-and-effect relationship between two variables, while correlation indicates a relationship without implying causation. The hypothesis implies that eating chicken noodle soup may cause a reduction in cold duration, which is a causal claim. Understanding this distinction is crucial for interpreting the results of any study related to the hypothesis.
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Control Groups

A control group is a baseline group in an experiment that does not receive the treatment being tested, allowing for comparison against the experimental group. In the context of the hypothesis, a control group would consist of individuals who do not consume chicken noodle soup, enabling researchers to assess the soup's effect on cold symptoms accurately. This helps to isolate the impact of the soup from other variables.
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Related Practice
Textbook Question
A scientific hypothesis is                   . a. an opinion; b. a proposed explanation for an observation; c. a fact; d. easily proved true; e. an idea proposed by a scientist
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Textbook Question
How is a scientific theory different from a scientific hypothesis? a. It is based on weaker evidence; b. It has not been proved true; c. It is not falsifiable; d. It can explain a large number of observations; e. It must be proposed by a professional scientist
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Textbook Question

In science, a theory is a(n)                  . a. educated guess; b. inference based on a lack of scientific evidence; c. idea with little experimental support; d. body of scientifically acceptable general principles; e. statement of fact

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Textbook Question

If I perform a hypothesis test in which I demonstrate that the prediction I made in question 5 is true, I have                  . a. proved the hypothesis; b. supported the hypothesis; c. not falsified the hypothesis; d. B and C are correct; e. A, B, and C are correct

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Textbook Question
Control subjects in an experiment                   . a. should be similar in most ways to the experimental subjects; b. should not know whether they are in the control or experimental group; c. should have essentially the same interactions with the researchers as the experimental subjects; d. help eliminate alternative hypotheses that could explain experimental results; e. all of the above
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Textbook Question
An experiment in which neither the participants in the experiment nor the technicians collecting the data know which individuals are in the experimental group and which ones are in the control group is known as                   . a. controlled; b. biased; c. double-blind; d. falsifiable; e. unpredictable
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