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Design+ Importance of material selection

• Identification of 11 material selection and 7 sustainability
Literature review
criteria

• Evaluation of the importance of criteria on a 5-point Likert
Survey study scale from the responses of 141 respondents

• Descriptive statistics on demographic characteristics of
Descriptive and inferential participants and criteria
analysis • Investigation on whether participants' opinions differ
according to their demographic characteristics

Calculation of relative • Calculation of RII of both material selection and
importance indexes sustainability criteria

Discussion of results • Evaluation of importance of criteria based on the literature

Figure 1. Methodology used in this study
Abbreviation: RII: Relative importance index.

Table 1. Material selection criteria Table 2. Sustainability criteria related to material selection
No. Criteria References No. Criteria References
1 Durability of the Designing Buildings, 2021; Cabral and 1 Being durable and easy to maintain Carp, 2020; Yang, 2023 41,42
material Blanchet, 2023 22,23 2 Being energy efficient Takano et al., 2014 Hong
2 Availability of material Patel and Vyas, 2011; Pitkänen 2024 24,25 et al., 2015 43,44
3 Availability of skilled Gudienė et al. 2013; Alawag et al. 2023. 3 Being cost-effective Arch 20, 2024 45
labor force Akomah et al. 2020 26-28 4 Being non-toxic Abera, 2024 46
4 Sustainability Mathiyazhagan et al., 2019; Chen et al., 5 Being renewable Lin (2021)
47
2021 29,30 48
5 Esthetics of the material Aydin et al., 2019; Rockfon, 2022; 6 Being recyclable or being produced Cudjoe et al., 2021
of recyclable materials
Besten, 2020 31-33
7 Being local Champ, 2024; Ibuchim
6 Ease of maintenance Mohanta, and Das, 2023; Zhu et al., et al. 2010 49,50
2018 34,35
7 Ease of construction Haq et al., 2022 36 convenience sampling, instead of purposive sampling,
8 Construction speed Celentano et al., 2019 was used. Convenience sampling involves the inclusion of
37
9 Initial cost of material Dinh et al., 2024 38 individuals in the study because they are willing, available,
10 Maintenance cost Sahlol et al., 2021; Yıldız et al., 2024 12,39 or easy to reach or communicate with on a practical level.
11 Popularity of the material Jaffar et al., 2024 40 First, reliability analysis is required to determine whether
the scale is reliable or not. Then, inferential analyses are
important. In the second section, participants were asked needed to see whether the results can be generalized and
to indicate the importance of the seven criteria regarding interpreted collectively. It is possible to conduct inferential
the sustainability of the materials presented in Table 2, analyses with parametric or non-parametric tests. To
again on a 5-point Likert scale. In addition, respondents decide which tests to use, normality tests were performed
were asked how much additional cost they would bear for and accordingly, hypotheses were tested with appropriate
adopting more sustainable materials. methods. It is possible to generalize the tested hypotheses
as follows:
The survey was conducted with 141 respondents
and the results were analyzed using the Statistical H : There is a significant difference between the
o
Package for Social Sciences (SPSS) 26.0 program. opinions of the participants in terms of material
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Since the study aimed to determine the general views of selection/sustainability criteria according to gender/
citizens on material selection and sustainability criteria, age group/education level/work experience/profession.

Volume 2 Issue 1 (2025) 4 doi: 10.36922/dp.4491