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
Republican candidates John McCain and Sarah Palin campaign at Franklin & Marshall University in
Group Study
Daily Calorie Intake from Sugar Drinks, United States, 2005–2008
Total Fertility Rate in the United States, 1860–2008
The Prison Study
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.