FIGURE 1.6 Effects of Testing on Retention: Experimental Results One week after the experimental sessions concluded, participants were tested to see how much they retained from material they had studied. As you can see, the participants who were repeatedly tested remembered much more of the information than the students who had repeatedly studied the same material.
Source: Data from Roediger & Karpicke, 2006.
Source: Data from Roediger & Karpicke, 2006.