From: The impact of a virtual teaching assistant (chatbot) on students' learning in Ghanaian higher education
Sum of squares
df
Mean square
F
p
ηp2
Time
33,105
1
33,105.4
2087
 < 0.001
0.969
Time*cohort
2975
2974.9
188
0.740
Residual
1047
66
15.9