| Characteristic | Excellent | Very good | Good | Fair | Poor |
|---|---|---|---|---|---|
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
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Source
Release date
February 2013
Region
United States
Survey time period
March 7 to April 23, 2012
Number of respondents
n = 2,462
Special properties
middle and high school teachers
Method of interview
Online survey
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