Item MO022004: A model is similar to the thing it represents in some ways but different in other ways.
In what ways is a model similar to the thing it represents?
- A model must be identical to the thing it represents in every way.
- 
    A model must be identical to the thing it represents in every way
 except that it can be made out of different materials.
- 
    A model must be identical to the thing it represents in every way
 except that it can be a different size.
- A model can be different from the thing it represents in either its size or the materials it is made of.
- Distribution of Responses
 
																- Students Responding Correctly
| Group | Correct | Total | Percent | 
|---|---|---|---|
| Overall | 5868 | 9412 | 62% | 
| Grades | |||
| 6–8 | 3396 | 5839 | 58% | 
| 9–12 | 2459 | 3556 | 69% | 
| Gender | |||
| Male | 2639 | 4497 | 59% | 
| Female | 3107 | 4714 | 66% | 
| Primary Language | |||
| English | 5380 | 8456 | 64% | 
| Other | 369 | 731 | 50% | 

