哪位大仙有五点量表的信度分析案例？五点量表的信度分析要怎么做？为什么我计算后的Alpha系数是负值，而且还是错的离谱？同时我附上我的数据，求解
| 题目\选项 | 非常同意 | 同意 | 中立 | 不同意 | 非常不同意 |
| 滨江特色鲜明 | 21.93% | 38.30% | 26.02% | 11.99% | 1.75% |
| 文化底蕴深厚 | 35.67% | 45.03% | 14.91% | 3.80% | 0.58% |
| 知名度高 | 18.42% | 33.92% | 31.58% | 14.33% | 1.75% |
| 旅游资源丰富 | 21.35% | 39.77% | 28.07% | 9.36% | 1.46% |
| 休闲度假氛围浓 | 17.84% | 29.53% | 29.53% | 18.13% | 4.97% |
| 自然景色优美 | 32.46% | 49.12% | 16.67% | 1.17% | 0.58% |
| 生态环境好 | 29.53% | 46.20% | 19.01% | 4.09% | 1.17% |
| 民俗丰富多彩 | 15.50% | 25.44% | 34.50% | 21.05% | 3.51% |
| 宗教氛围浓厚 | 11.40% | 18.42% | 30.70% | 30.12% | 9.36% |
| 现代化气息浓郁 | 19.59% | 38.89% | 32.75% | 7.31% | 1.46% |
| 经济发展快速 | 19.59% | 44.15% | 26.61% | 7.89% | 1.75% |
| 有许多新兴建筑 | 19.88% | 47.66% | 24.27% | 7.02% | 1.17% |
| 常有各种文化表演活动 | 12.87% | 30.70% | 33.33% | 20.18% | 2.92% |
| 水上休闲活动多样并刺激 | 13.45% | 19.88% | 36.55% | 24.85% | 5.26% |
| 节庆活动有特色，吸引人 | 15.50% | 22.81% | 33.92% | 23.68% | 4.09% |
| 旅游设施齐全 | 12.28% | 18.71% | 38.30% | 26.32% | 4.39% |
| 旅游服务周到 | 12.28% | 21.93% | 35.09% | 26.61% | 4.09% |
| 旅游价格合理 | 12.28% | 29.53% | 39.47% | 16.37% | 2.34% |
| 旅游商品品种丰富 | 11.11% | 20.18% | 34.21% | 29.53% | 4.97% |
| 旅游交通便捷舒适 | 14.04% | 36.26% | 32.16% | 15.50% | 2.05% |
| 旅游信息获取容易 | 12.57% | 32.46% | 33.92% | 19.59% | 1.46% |
| 饮食有地方特色 | 20.47% | 40.64% | 26.61% | 11.11% | 1.17% |
| 社会治安状况好 | 17.84% | 42.40% | 30.99% | 6.73% | 2.05% |
| 居民对游客态度好 | 16.67% | 41.23% | 32.46% | 8.48% | 1.17% |
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