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

ID: 3465484 • Letter: W

Question

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

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

The correct answer is Option B. A study looking at the effect of tutoring on SAT scores would not have a possible threat of observer bias.

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