Expanding disciplinary and interdisciplinary core idea maps by students to promote perceived self-efficacy in learning science

Semilarski, Helen; Soobard, Regina; Holbrook, Jack; Rannikmäe, Miia

doi:10.1186/s40594-022-00374-8

International Journal of STEM Education

Table 9 Experimental (N = 209) and control group (N = 162) CFA on students’ perceived self-efficacy towards DCIs and ICIs (grade 11) after the conducted intervention (May–June 2020)

From: Expanding disciplinary and interdisciplinary core idea maps by students to promote perceived self-efficacy in learning science

The group of disciplinary and interdisciplinary core ideas	Factor loadings		Exp		Con		Paired sample t-test			Sig. level 0.05
The group of disciplinary and interdisciplinary core ideas	Factor loadings		M	SD	M	SD	Paired sample t-test
	Exp	Con	M	SD	M	SD	t	df	SE
Life Science
Cell functions in human tissues	0.54	0.44	3.32	0.80	2.85	0.70	5.92	369	0.08	< 0.05
Aerobic and anaerobic respiration			2.99	0.88	2.95	0.64	0.49	369	0.08	> 0.05
Heredity and DNA*			3.57	0.83	2.84	0.66	9.17	369	0.08	< 0.05
Genetic variation*			3.41	0.79	2.83	0.63	7.65	369	0.08	< 0.05
Earth Science
Rainforest deforestation	0.63	0.55	2.95	0.80	2.90	0.73	0.62	369	0.08	> 0.05
Land surface change*			3.00	0.89	2.50	0.52	6.36	369	0.08	< 0.05
Weather and climate*			3.12	0.70	2.30	0.66	11.47	369	0.07	< 0.05
Natural hazards			3.13	0.65	2.60	0.65	7.79	369	0.07	< 0.05
Climate warming			3.09	0.83	2.15	0.57	12.33	369	0.08	< 0.05
Solar and lunar eclipse			3.00	0.87	2.76	0.60	3.00	369	0.08	> 0.05
Chemistry
Chemical reactions*	0.67	0.72	2.51	0.93	2.38	0.73	1.46	369	0.09	> 0.05
Natural phenomena at the particulate level			2.49	0.89	2.43	0.81	0.67	369	0.09	> 0.05
The nature of interactions between bodies			2.50	0.90	2.40	0.78	1.12	369	0.09	> 0.05
Characteristics of substances*			2.54	0.97	2.37	0.85	1.77	369	0.10	> 0.05
Physics
Electricity generator	0.58	0.63	2.40	0.71	2.05	0.59	5.06	369	0.07	< 0.05
Motions and waves*			2.56	0.86	2.32	0.59	3.04	369	0.08	< 0.05
Energy conversion*			2.47	0.84	2.17	0.60	3.85	369	0.08	< 0.05
Models and Systems
Systems*	0.70	0.67	3.25	0.86	2.52	0.60	9.20	369	0.08	< 0.05
Cause and effect			3.13	0.86	2.65	0.69	6.16	369	0.08	< 0.05
Natural and human-made systems			3.30	0.95	2.05	0.66	14.29	369	0.09	< 0.05
Structural properties of the objects			3.25	0.87	2.25	0.67	12.11	369	0.08	< 0.05
Models*			3.26	0.85	2.30	0.65	11.92	369	0.08	< 0.05

^*Disciplinary core ideas used in the intervention research; *Significance level 0.05; M-mean; SD-standard deviation; t-statistics; df degrees of freedom; SE-standard error of difference; measured on 4-point Likert-type scale

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