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?

  1. A model must be identical to the thing it represents in every way.
  2. A model must be identical to the thing it represents in every way
    except that it can be made out of different materials.
  3. A model must be identical to the thing it represents in every way
    except that it can be a different size.
  4. A model can be different from the thing it represents in either its size or the materials it is made of.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Language
6–8 9–12 Male Female Primary Language is English Primary Language is not English
A. 7% 8% 4% 8% 5% 6% 8%
B. 11% 13% 8% 12% 11% 11% 17%
C. 20% 20% 19% 21% 18% 19% 24%
D. 62% 58% 69% 59% 66% 64% 50%