Nurture interest-driven creators in programmable robotics education: an empirical investigation in primary school settings

Research and Practice in Technology Enhanced Learning

Table 3 Results of chi-square difference tests

	Comparison	χ² diff	ΔCFI
Four-factor vs. three-factor (best)	M0-M6	23.45***	− 0.01
Three-factor (best) vs. two-factor (best)	M6-M12	159.76***	− 0.02
Two-factor (best) vs. one-factor	M12-M14	271.16***	− 0.04