Skip to main content

Table 1 Percentage of students selecting each answer choice for the three questions

From: Exploring the practicing-connections hypothesis: using gesture to support coordination of ideas in understanding a complex statistical concept

Answer choice Percentage of students
Question 1. Based on the description of the study, what would you conclude about the effect of eating chocolate on test performance?
 A. I am fairly certain there is an effect 48
 B. I’m not sure—I would need more information 50
 C. I’m fairly certain there is not an effect 2
Question 2. Which of the following additional pieces of information would be useful for determining if chocolate had an effect on test performance? (select all that apply.)
 A. The mean test scores for each group 81
 B. The standard deviation of test scores within each group 74
 C. A rating of how much each participant likes chocolate 16
 D. A list of the exact test items that were used 27
 E. More information about what kind of chocolate was used 8
Question 3. If you could only choose one, which of the following additional pieces of information would be most useful for determining if chocolate had an effect on test performance?
 A. The mean test scores for each group 61
 B. The standard deviation of test scores within each group 24
 C. A rating of how much each participant likes chocolate 6.5
 D. A list of the exact test items that were used 6.5
 E. More information about what kind of chocolate was used 2