????-???·??????·??????·??????????·??
?????????????????????????
????????????????? 2014 ? 1 ?? 2015 ? 12 ????????? Thamar ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? PC???? SPSS ???????????? N-Anove ????????????? P ????????????? R ???
????????????? 300 ?????? (56.3%) ??? (43.7%) ???????? (61.7%) ??? 16 ????120 ??? (40.0%) ???????147 ??? (49.0%) ??????????? <1-5 ???????????????????????????????????????????????????P ???? 0.001 ? 0.0001??? N-Anove ???????????????????????????????P ??? 0.000???????????????????????????????????????P????0.034?0.017?0.008??
?????????????????????????????????????????
English 
Spanish 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi 