Code-reading support environment visualizing three fields and educational practice to understand nested loops

Research and Practice in Technology Enhanced Learning

Table 4 Differences in the average scores for positive and negative groups

		Number of students	Q1	Q2	Q3	Q4
A1	Positive	7	1.43*	1.57	1.29*
A1	Negative	5	0.00	−0.50	−0.75
A2	Positive	5	0.80	2.60*	0.60
A2	Negative	7	1.00	−0.67	0.50
A3	Positive	4	1.17	1.67	1.50*
A3	Negative	8	0.60	−0.20	−0.60
A4	Positive	4				2.63*
A4	Negative	8				−0.75