Tamir et al. (2008) conducted a study to see what impact music has on participants playing computer games. The researchers had participants play computer games while listening to angry, exciting, and neutral music.
The researchers then measured the participant's performance while listening to each type of music. Which of the following is a disadvantage of this type of research design?
a. fewer participants
b. less statistical variance
c. equal group sizes
d. fatigue
Question 2
Which of the following statements accurately describes the use of double blind studies?
a. Double blind studies are not ethical as the researcher is not given total access to participant data.
b. Double blind studies are a preferred technique because they reduce the threats to internal validity.
c. Single blind studies are preferred over double blind studies because the researcher can directly interact with the participants.
d. None of the above
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