Which of the Following Studies Would NOT Have a Possible

question 2

Multiple Choice

Which of the following studies would NOT have a possible threat of observer bias?

• A)A study looking at the effect of eating fruits and vegetables and general physical fitness
• B)A study looking at the effect of tutoring on SAT scores
• C)A study looking at whether increasing the number of hours listening to music increases singing ability
• D)A study looking at the effect of increasing the rate of text messaging in a day on writing/English composition skill

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Definitions:

Restaurant

A business establishment where meals or refreshments are prepared and served to customers in exchange for money.

Possession

The state or fact of owning or having control over something.

Rights

Entitlements or freedoms that are guaranteed by law, ethics, or customs, allowing individuals to perform or not perform certain actions.

Terminal Disease

A progressive disease that has no cure or feasible treatment and is reasonably expected to result in the death of the patient.