2017-03-022025-07-302017-03-022017-03-02https://ir.ntus.edu.tw/handle/987654321/7010596975 bytesapplication/pdf社會階層;社會流動;社會功績;社會認同;社會學習;馬拉松選手social stratification;social mobility;social meritocracy;social identity;social learning;marathon runnerreport