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| || | ||  |  ___|| | || | ||  /_   _//   ____    
| '--' ||  | ||__   | '--' ||   -| ||-   |    \\  
| .--. ||  | ||__   | .--. ||   _| ||_   | [] ||  
|_|| |_||  |_____|| |_|| |_||  /_____//  |  __//  
`-`  `-`   `-----`  `-`  `-`   `-----`   |_|`-`   
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發送短信 : The effect of self-referencing on risk behaviours : evidence from Amazon mechanical turk