The engagement of students when learning to use a personal audio classifier to control robot cars in a computational thinking board game

Research and Practice in Technology Enhanced Learning

Table 1 Paired-sample t test between the pre- and posttests of learning effectiveness for the experimental and control groups

Group	Learning achievement	N	Mean	SD	t
Experimental group	Pretest	31	47.61	13.65	− 6.90***
Experimental group	Posttest	31	67.87	11.74
Control group	Pretest	28	46.75	15.82	− 3.63***
Control group	Posttest	28	59.11	14.88