问题 名词解释

分半信度

答案

参考答案:

分半信度是测验信度的一种,是指在测验没有复本且只能实施一次的情况下,采用分半法(常为奇偶分半法)估计得到的信度系数。分半信度的具体计算方法是将测验题目分成对等的两半,根据各人在这两半测验的分数,计算其相关系数,来作为信度的指标。把测验分成两半相当于在最短时距施测了两个平行测验,这样就考察了两半题目之间的致性,所能分半信度又叫做内部致性系数。

阅读理解

阅读理解。

     An old woman opens her windows and looks out.What a sunny day !  But she is surprised there is a

man in the front of her garden. The old woman looks  at  him and says to  herself,  " He  is  eating grass

(草 ) . Why?"  She goes out into her garden and says to him," Are you very hungry? Why don't you go

to  work and get  some food?"The man looks at her and says,  "I don't like working. I  just  like  eating.

Now I'm hungry,  I  have nothing for my breakfast.  You see,  I'm eating grass.  Can you give me some

food ? "

     The old woman says,"Come to the back door of my house. " The man is very glad. He thinks he can

get food from the old woman.  So he  goes  with her.  The old woman opens the back door and says to

the man. " Look, the grass here is longer than that in the garden. Just enjoy it here ! "            

l. What's the man doing in the garden?He is     there .

A. working hard        

B. opening the windows

C. eating some food      

D. eating grass

2. What does the man have for breakfast?

A. Some food.            

B.Nothing.

C. Vegetables.            

D. Fruits.

3. How does the man feel when the old woman asks him to the back door?

He is       .

A. sad                    

B. sorry

C. interesting              

D. happy

4. What does the woman ask him to do?

A. She asks him to work for her.

B. She asks him to the back door and eat food.

C. She asks him to the back door and eat the grass there.

D. She gives him some food at the back door.

5. What does the man like doing?

A. He likes working.    

B. He likes dancing.

C. He likes eating.      

D. He likes singing.

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