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1.5 Data and Location
The data of the study were collected from Tibet Autonomous Region（TAR）of China in 2009, and Tama City of Japan in 2001, 2004 and 2007.
Figure 1-8 Hypothetical model of dissertation
Note: Latent variable is included in the oval shape and observed variable is included in the rectangle shape. Single-headed arrow indicates the direction of relationship between two variables.