unfits

form logistic four-parameter model by introducing c parameter and y parameter at the same time and estimate one more time. this model makes all kinds of unfits, including the first, second, third and fourth unfits, rectified.

同时增加c、γ参数形成Logistic四参数模型，再对被试进行能力估计，这时该模型对各类失拟现象，包括第一、第二、第三、第四失拟现象都具有良好拟合能力。

'By experience,' says Roger Ascham, 'we find out a short way by a long wandering.' Not seldom that long wandering unfits us for further travel, and of what use is our experience to us then?

依靠经验，罗杰阿斯坎说，我们要经过漫长的游荡才能找到一条捷径。①漫长的游荡不适合我们继续往前走，这并不少见，那么我们这种经验对我们又有什么用处呢？

His age unfits him for such a position.

他的年龄使他不适合此种职位.