Table 4. Summary of analyses of...

Table 4.

Summary of analyses of frequency of engagement of DfA practices (one-sample t-test)

Summary of analyses of the frequency of engagement of DfA practices (one-sample t-test)
S/N	DfA practices	Cronbach’s alpha = 0.919, test value = 3.50
S/N	DfA practices	T-value	Mean	Std. deviation	Rank	p-value
DP 1	Designing to ensure the functional resilience of buildings	9.195	4.08	0.977	5th	0.000^t
DP 2	Creating designs having in mind the structural durability of the building	13.456	4.27	0.876	2nd	0.000^t
DP 3	Outlaying the structure to have space-plan flexibility	12.389	4.23	0.909	3rd	0.000^t
DP 4	Keeping a balance of structural durability and space-plan flexibility in my designs	11.128	4.16	0.907	4th	0.000^t
DP 5	Endorsing the use of durable elements in my design specification	13.880	4.28	0.858	1st	0.000^t
DP 6	Recommending the use of flexible connection methods within the building	6.196	3.88	0.935	9th	0.000^t
DP 7	Designing with materials that can be easily dismantled	2.635	3.68	1.062	15th	0.009^t
DP 8	Creating a structural grid that allows for a modular building skin	7.263	3.99	1.040	6th	0.000^t
DP 9	Designing space plans based on standard material dimensions	4.560	3.79	0.971	10th	0.000^t
DP 10	Incorporating design measures that maintain comfortability and a healthy indoor environment	7.138	3.97	1.012	7th	0.000^t
DP 11	Creating designs using bioclimatic and biophilic principles	2.971	3.71	1.074	13th	0.003^t
DP 12	Organizing building layers (i.e. the site, structure, skin, services, space plan and stuff) according to their end-of-life span in my designs	3.519	3.74	1.054	12th	0.001^t
DP 13	Designing to ensure that building service systems are separated	3.729	3.75	1.047	11th	0.000^t
DP 14	Recommending the use of recyclable materials in my design specifications	2.156	3.65	1.087	16th	0.032^t
DP 15	Endorsing the reuse of materials in my designs	1.577	3.61	1.032	18th	0.116
DP 16	Creating designs to ensure the possibility of vertical expansions	1.273	3.59	1.074	19th	0.204
DP 17	Using building elements that can be reassembled in my design	0.235	3.52	1.109	20th	0.815
DP 18	Designing with a deconstruction plan in mind	1.800	3.64	1.157	17th	0.073
DP 19	Ensuring that components can be selectively disassembled	2.791	3.71	1.143	14th	0.006t
DP 20	Creating designs that preserve the heritage of buildings	6.836	3.95	1.009	8th	0.000t

Summary of analyses of the frequency of engagement of DfA practices (one-sample t-test)
S/N	DfA practices	Cronbach’s alpha = 0.919, test value = 3.50
S/N	DfA practices	T-value	Mean	Std. deviation	Rank	p-value
DP 1	Designing to ensure the functional resilience of buildings	9.195	4.08	0.977	5th	0.000^t
DP 2	Creating designs having in mind the structural durability of the building	13.456	4.27	0.876	2nd	0.000^t
DP 3	Outlaying the structure to have space-plan flexibility	12.389	4.23	0.909	3rd	0.000^t
DP 4	Keeping a balance of structural durability and space-plan flexibility in my designs	11.128	4.16	0.907	4th	0.000^t
DP 5	Endorsing the use of durable elements in my design specification	13.880	4.28	0.858	1st	0.000^t
DP 6	Recommending the use of flexible connection methods within the building	6.196	3.88	0.935	9th	0.000^t
DP 7	Designing with materials that can be easily dismantled	2.635	3.68	1.062	15th	0.009^t
DP 8	Creating a structural grid that allows for a modular building skin	7.263	3.99	1.040	6th	0.000^t
DP 9	Designing space plans based on standard material dimensions	4.560	3.79	0.971	10th	0.000^t
DP 10	Incorporating design measures that maintain comfortability and a healthy indoor environment	7.138	3.97	1.012	7th	0.000^t
DP 11	Creating designs using bioclimatic and biophilic principles	2.971	3.71	1.074	13th	0.003^t
DP 12	Organizing building layers (i.e. the site, structure, skin, services, space plan and stuff) according to their end-of-life span in my designs	3.519	3.74	1.054	12th	0.001^t
DP 13	Designing to ensure that building service systems are separated	3.729	3.75	1.047	11th	0.000^t
DP 14	Recommending the use of recyclable materials in my design specifications	2.156	3.65	1.087	16th	0.032^t
DP 15	Endorsing the reuse of materials in my designs	1.577	3.61	1.032	18th	0.116
DP 16	Creating designs to ensure the possibility of vertical expansions	1.273	3.59	1.074	19th	0.204
DP 17	Using building elements that can be reassembled in my design	0.235	3.52	1.109	20th	0.815
DP 18	Designing with a deconstruction plan in mind	1.800	3.64	1.157	17th	0.073
DP 19	Ensuring that components can be selectively disassembled	2.791	3.71	1.143	14th	0.006t
DP 20	Creating designs that preserve the heritage of buildings	6.836	3.95	1.009	8th	0.000t

Note(s):

^tone sample t-test result is significant at 0.05 significance level, p-value < 0.05 (two-tailed)

Source(s): Table created by authors

[ViewLarge]

Sharing Unavailable