Ranked barrier statement and analysis result
| Rank code benefit statement | Descriptive | Wilcoxon test | Friedman test | |||||
|---|---|---|---|---|---|---|---|---|
| Item (N = 58) | WAS | StdDev | BIV | Siga,b(p) | Decision(H0 = 3) | Mean rank | ||
| 1 | 04BR. | Lack of public awareness and education limits | 4.19 | 0.826 | 9.263 | 0.000 | Reject H0 | 10.48 |
| interest in Earthship homes | ||||||||
| 2 | 02BR. | Local building regulations make it difficult to | 4.14 | 1.017 | 8.211 | 0.000 | Reject H0 | 10.53 |
| obtain approval for Earthship construction | ||||||||
| 3 | 05BR. | Banks and lenders are unlikely to provide | 3.91 | 0.996 | 7.836 | 0.000 | Reject H0 | 9.62 |
| financing for Earthship projects | ||||||||
| 4 | 12BR. | Earthship construction is labor-intensive, relying | 3.45 | 0.94 | 7.120 | 0.001 | Reject H0 | 8.01 |
| on volunteer labor, which can be difficult to | ||||||||
| sustain | ||||||||
| 5 | 13BR. | Without volunteer support, labour costs for | 3.53 | 1.012 | 7.018 | 0.000 | Reject H0 | 8.25 |
| Earthship homes may be higher than conventional | ||||||||
| housing | ||||||||
| 6 | 06BR. | Finding qualified professionals to design and build | 3.5 | 1.112 | 6.647 | 0.002 | Reject H0 | 8.40 |
| Earthships is challenging | ||||||||
| 7 | 03BR. | Earthship aesthetics and design may not appeal to | 3.26 | 1.036 | 6.407 | 0.075 | Retain H0 | 7.41 |
| buyers in suburban or urban areas | ||||||||
| 8 | 09BR. | Securing land in appropriate locations for | 3.31 | 1.127 | 6.247 | 0.047 | Reject H0 | 7.53 |
| Earthship construction is challenging | ||||||||
| 9 | 14BR. | Acquiring the knowledge, skills, and building | 3.12 | 1.061 | 6.061 | 0.412 | Retain H0 | 7.06 |
| methods required for Earthship construction can | ||||||||
| be challenging | ||||||||
| 10 | 07BR. | The use of recycled materials may lead to | 3.17 | 1.11 | 6.026 | 0.274 | Retain H0 | 7.15 |
| misconceptions about durability and safety | ||||||||
| 11 | 10BR. | Constructing Earthships is a labor-intensive | 3.12 | 1.093 | 5.975 | 0.413 | Retain H0 | 7.03 |
| process requiring specialized skills | ||||||||
| 12 | 01BR. | The upfront cost of building an Earthship home | 2.86 | 1.067 | 5.540 | 0.343 | Retain H0 | 6.00 |
| makes it unaffordable for most Australians | ||||||||
| 13 | 11BR. | Dependence on renewable energy and water | 2.41 | 1.009 | 4.799 | 0.000 | Reject H0 | 4.66 |
| systems may pose risks in extreme climate | ||||||||
| conditions | ||||||||
| 14 | 08BR. | Earthship designs may not be well-suited for | 1.81 | 1.017 | 3.590 | 0.000 | Reject H0 | 2.88 |
| Australia's climate and environmental risks | ||||||||
| Rank code benefit statement | Descriptive | Wilcoxon test | Friedman test | |||||
|---|---|---|---|---|---|---|---|---|
| Item ( | WAS | StdDev | BIV | Siga,b( | Decision(H0 = 3) | Mean rank | ||
| 1 | 04BR. | Lack of public awareness and education limits | 4.19 | 0.826 | 9.263 | 0.000 | Reject H0 | 10.48 |
| interest in Earthship homes | ||||||||
| 2 | 02BR. | Local building regulations make it difficult to | 4.14 | 1.017 | 8.211 | 0.000 | Reject H0 | 10.53 |
| obtain approval for Earthship construction | ||||||||
| 3 | 05BR. | Banks and lenders are unlikely to provide | 3.91 | 0.996 | 7.836 | 0.000 | Reject H0 | 9.62 |
| financing for Earthship projects | ||||||||
| 4 | 12BR. | Earthship construction is labor-intensive, relying | 3.45 | 0.94 | 7.120 | 0.001 | Reject H0 | 8.01 |
| on volunteer labor, which can be difficult to | ||||||||
| sustain | ||||||||
| 5 | 13BR. | Without volunteer support, labour costs for | 3.53 | 1.012 | 7.018 | 0.000 | Reject H0 | 8.25 |
| Earthship homes may be higher than conventional | ||||||||
| housing | ||||||||
| 6 | 06BR. | Finding qualified professionals to design and build | 3.5 | 1.112 | 6.647 | 0.002 | Reject H0 | 8.40 |
| Earthships is challenging | ||||||||
| 7 | 03BR. | Earthship aesthetics and design may not appeal to | 3.26 | 1.036 | 6.407 | 0.075 | Retain H0 | 7.41 |
| buyers in suburban or urban areas | ||||||||
| 8 | 09BR. | Securing land in appropriate locations for | 3.31 | 1.127 | 6.247 | 0.047 | Reject H0 | 7.53 |
| Earthship construction is challenging | ||||||||
| 9 | 14BR. | Acquiring the knowledge, skills, and building | 3.12 | 1.061 | 6.061 | 0.412 | Retain H0 | 7.06 |
| methods required for Earthship construction can | ||||||||
| be challenging | ||||||||
| 10 | 07BR. | The use of recycled materials may lead to | 3.17 | 1.11 | 6.026 | 0.274 | Retain H0 | 7.15 |
| misconceptions about durability and safety | ||||||||
| 11 | 10BR. | Constructing Earthships is a labor-intensive | 3.12 | 1.093 | 5.975 | 0.413 | Retain H0 | 7.03 |
| process requiring specialized skills | ||||||||
| 12 | 01BR. | The upfront cost of building an Earthship home | 2.86 | 1.067 | 5.540 | 0.343 | Retain H0 | 6.00 |
| makes it unaffordable for most Australians | ||||||||
| 13 | 11BR. | Dependence on renewable energy and water | 2.41 | 1.009 | 4.799 | 0.000 | Reject H0 | 4.66 |
| systems may pose risks in extreme climate | ||||||||
| conditions | ||||||||
| 14 | 08BR. | Earthship designs may not be well-suited for | 1.81 | 1.017 | 3.590 | 0.000 | Reject H0 | 2.88 |
| Australia's climate and environmental risks | ||||||||
Note(s): X2(13) = 216.531, p < 0.001
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