In the study depicted in the figure above, how could a researcher transform the study into a within-groups design?
A) Adding a control group
B) Removing the first blood pressure measurement
C) Adding another independent variable
D) Having participants play both the competitive game and the noncompetitive game

Question

In the study depicted in the figure above, how could a researcher transform the study into a within-groups design? 
A) Adding a control group 
B) Removing the first blood pressure measurement 
C) Adding another independent variable 
D) Having participants play both the competitive game and the noncompetitive game

Quizplus · Accepted Answer

To transform the study into a within-groups design, the researcher would need to have each participant play both the competitive game and the noncompetitive game. This would allow for a comparison of the same participant's blood pressure in both situations, rather than comparing different participants in each condition.

In the Study Depicted in the Figure Above, How Could