Question

Please Answer All 4 questions

The British Museum, located in the Bloomsbury area of London in the United Kingdom, is a public institution dedicated to human history, art, and culture. To ensure the safety of its famous and precious collections, engineers selected the 100 most crowded and popular exhibition areas within the museum and checked their environment to avoid potential damages to collections.

1.) b) What is the sample in this problem?
The British Museum
All exhibition areas in the British Museum which are open to the public.
The 100 most crowded and popular exhibition areas.
The environment in the British Museum.

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Pepsi is a carbonated soft drink manufactured by PepsiCo. Coca-Cola, or Coke, is a carbonated soft drink manufactured by The Coca-Cola Company. These two drinks are popular all over the world. They share quite similar color and taste thus it is hard to say which one is better than the other. Forty people are randomly selected to determine which one is better. Each person is blind-folded and asked to drink a small cup of Pepsi and the same amount of Coke. Since they are blind-folded, they don’t know which drink they are drinking. Then they are asked to select which drink they prefer.

c.) What is the factor or treatment in this study?
40 cups of Pepsi and Coke
The drink people prefer
Type of drinks
All people around the world
All drinks
40 participants

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(0.5 pts.) d) What is the outcome variable of this study?
All drinks
Type of drinks
The drink people prefer
40 participants
All people around the world
40 cups of Pepsi and Coke

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(1 pt.) e) State a possible source of bias in this study. Feel free to speculate beyond the explicit statement of the question. However, nothing that is assumed can be contradicted by what is stated. Please include any assumptions that you are making.

Answer 1

1.)

b)

The sample is "The 100 most crowded and popular exhibition areas​​​​​​".

Because that is what engineers selected to perform the study from all exhibition areas in the British Museum which is the population.

c)

The factor or treatment in this study is "Type of drinks​​​​​​".

Because that is what being tested - which type they prefer (response) for which treatment is the two types of drinks that each participant take.

d)

The outcome variable of the study is "The drink people prefer​​​​​​".

Because it is the response(outcome) of a participant about which drink they prefer by drinking both types of drinks.

e)

A possible source of bias is "prior knowledge of drinks​​​​​​". Even though they are blind folded, they may differentiate between the two types of drinks due to their prior knowledge of such drinks. Another possible source of bias is "order bias". The first drink they take may influence the decision of what they prefer. Hence, for all participants, the same type of drink should not be given first.