39. Halo Effect
P1:讲了halo effect 是什么,有什么影响
halo effect (tendency to make specific inferences <-- general impression) undermine
P2:举例说明 由于halo effect --> 因果倒置
no : a company can achieve success if it follows a specific set of steps
--> data are undermined by the halo effect.
successful co. tended to be described in the same way.
P3:为什么上面的例子中原来的推理方向错误
a simple reason
performance is relative not absolute.
success depend on actions of co. + rivals
rival improve at a faster rate the performance may suffer.