Table 2 CFA model improvement,...

Table 2

CFA model improvement, re-specification and comparison

	Modification				Goodness-of-fit indices
Model	Construct	Error terms of items	M.I.	Parameter change	χ² value	df	Δ χ²	χ²/df	CFI	RMSEA
1a	–	–	–	–	1425.45	659	–	2.16	0.87	0.05
1b	DMC	10 and 11	82.49	0.57	1334.67	658	90.78^*	2.04	0.88	0.05
1c	DMCP	4 and 5	22.69	0.26	1311.29	657	23.38^*	2.00	0.89	0.05
1d	DMCP	1 and 2	15.82	0.16	1294.66	656	16.63^*	1.97	0.89	0.05
1e	DMS	9 and 10	11.54	0.18	1282.58	655	12.08^*	1.96	0.89	0.05
1f	DMC	3 and 7	9.08	0.15	1269.79	654	12.79^*	1.94	0.89	0.05
1g	DMC	1 and 2	9.01	0.12	1260.15	653	9.62^*	1.93	0.90	0.05

	Modification				Goodness-of-fit indices
Model	Construct	Error terms of items	M.I.	Parameter change	χ² value	df	Δ χ²	χ²/df	CFI	RMSEA
1a	–	–	–	–	1425.45	659	–	2.16	0.87	0.05
1b	DMC	10 and 11	82.49	0.57	1334.67	658	90.78^*	2.04	0.88	0.05
1c	DMCP	4 and 5	22.69	0.26	1311.29	657	23.38^*	2.00	0.89	0.05
1d	DMCP	1 and 2	15.82	0.16	1294.66	656	16.63^*	1.97	0.89	0.05
1e	DMS	9 and 10	11.54	0.18	1282.58	655	12.08^*	1.96	0.89	0.05
1f	DMC	3 and 7	9.08	0.15	1269.79	654	12.79^*	1.94	0.89	0.05
1g	DMC	1 and 2	9.01	0.12	1260.15	653	9.62^*	1.93	0.90	0.05

Note(s): M.I. = modification index; item numbers reflect the sequence in the QoDoS instrument (Donelan et al., 2016), DMC = decision-making culture, DMCP = decision-making competence, DMS = decision-making style

^*p ≤ 0.01; RMSEA decreases from 0.053 in Model 1a to 0.047 in Model 1g

Source(s): Own elaboration

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