Table 2.
Cluster analysis results (Top 10 clusters).
| Number | Size | Silhouette | Mean (Year) | Top Terms (LLR) |
|---|---|---|---|---|
| #1 | 87 | 0.717 | 2014 | corporate social responsibility; organizational identification; green human resource management; employee green behavior |
| #2 | 77 | 0.774 | 2010 | environmentally responsible behavior; place attachment; ecological behavior; nature-based tourism |
| #3 | 71 | 0.765 | 2013 | sustainable consumption behavior; urban residents; impact; energy-saving behavior |
| #4 | 71 | 0.706 | 2010 | theory of planned behavior; habit; personal norm; perceived behavioral control |
| #5 | 67 | 0.881 | 2013 | green intention; triple bottom line; quantitative methods; renewable energy |
| #6 | 66 | 0.767 | 2012 | knowledge; university students; higher education; sustainable consumption |
| #7 | 64 | 0.715 | 2006 | value; attitude; belief; pro-environmental behavior |
| #8 | 62 | 0.804 | 2009 | spillover; social norms; efficiency; psychological distance |
| #9 | 60 | 0.676 | 2009 | moral licensing; future orientation; time perspective; psychology |
| #10 | 51 | 0.808 | 2011 | social identity; public goods; activism; happiness; prosocial behavior |