How teacher talk guidance during Invention activities shapes students’ cognitive engagement and transfer

International Journal of STEM Education

Table 8 Regression models predicting transfer scores from proportions of teacher-student exchanges

	B	SE B	β	F (df)	ΔF (df)	R ²	ΔR²
Model 1				6.16 (1, 16)^*	–	.28	–
Pretest^*	0.42	0.17	0.53
Model 2				9.35 (2, 15)^**	9.44 (1, 15)^**	.56	.28
Pretest^**	0.46	0.14	0.58
T-S constructive^**	1.57	0.51	0.53
Model 3				6.65 (3, 14)^**	1.11 (1, 14)	.59	.03
Pretest^**	0.43	0.14	0.55
T-S constructive	1.10	0.67	0.37
T-S active	0.65	0.62	0.24
Model 4				5.03 (4, 13)^*	0.66 (1, 13)	.61	.02
Pretest^**	0.45	0.14	0.57
T-S constructive	1.03	0.69	0.35
T-S active	0.35	0.73	0.13
T-S passive	− 1.29	1.58	− 0.19