From: Chatbot to improve learning punctuation in Spanish and to enhance open and flexible learning environments
Group
N
Mean
Std. deviation
Std. error mean
Pretest
Experimental group
52
22.9038
7.66520
1.06297
Control group
51
23.5686
7.98312
1.11786
Posttest
32.1346
9.53225
1.32189
28.4706
9.43473
1.32113