APA format psych stats A researcher wants to test the effectiveness of two drive
ID: 3179983 • Letter: A
Question
APA format psych stats
A researcher wants to test the effectiveness of two driver education classes, one online class and one in-person class. In order to do this, the researcher randomly selects 12 high school students and randomly assigns them to complete the control condition (no driver education course), the online course, or the in-class course. After the courses were complete, the researcher measured the amount of driving mistakes the participants made during a weeklong period. The data can be found below. What can you conclude about the effectiveness of each course?Explanation / Answer
Answer:
One factor ANOVA
Mean
n
Std. Dev
7.3
4
1.71
control
6.8
4
1.71
online
2.3
4
1.50
in person
5.4
12
2.78
Total
ANOVA table
Source
SS
df
MS
F
p-value
Treatment
60.67
2
30.333
11.26
.0036
Error
24.25
9
2.694
Total
84.92
11
The 4 participants in the control group had an average number of driving mistakes of 7.3 (SD = 1.71); the 4 participants in the online group had an average of 6.8 (SD = 1.71), and the 4 participants in the In person group had a mean of 2.3 (SD = 1.5). The effect is significant, F(2,9) = 11.26, p=.004.
One factor ANOVA
Mean
n
Std. Dev
7.3
4
1.71
control
6.8
4
1.71
online
2.3
4
1.50
in person
5.4
12
2.78
Total
ANOVA table
Source
SS
df
MS
F
p-value
Treatment
60.67
2
30.333
11.26
.0036
Error
24.25
9
2.694
Total
84.92
11