لینک دانلود و خرید پایین توضیحات
دسته بندی : پاورپوینت
نوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )
تعداد اسلاید : 48 اسلاید
قسمتی از متن powerpoint (..ppt) :
بنام خدا
1
2
اندازه های وقوع بیماری
Reverse causality
When lifelong smokers are told they have lung cancer, many may then quit smoking.
This change of behavior after the disease develops can make it seem as if:
ex-smokers are actually more likely to die of lung cancer than current smokers .
the decisions by smokers to stop smoking or drinking did not cause them to get sick and die.
دسته بندی : پاورپوینت
نوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )
تعداد اسلاید : 48 اسلاید
قسمتی از متن powerpoint (..ppt) :
بنام خدا
1
2
اندازه های وقوع بیماری
Reverse causality
When lifelong smokers are told they have lung cancer, many may then quit smoking.
This change of behavior after the disease develops can make it seem as if:
ex-smokers are actually more likely to die of lung cancer than current smokers .
the decisions by smokers to stop smoking or drinking did not cause them to get sick and die.