From: Teaching evolution in U.S. public schools: a continuing challenge
| Teaching in 2007 | Began teaching after 2007 | |
|---|---|---|
| Mean number of college courses with evolution focus | ||
| Non-Framework | 1.8 | 1.9 |
| Based on Framework | 1.9 | 1.9 |
| Adopted NGSS* | 2.2 | 1.9 |
| N | 501 | 261 |
| Mean number of college courses with some evolution | ||
| Non-Framework | 3.0 | 1.9 |
| Based on Framework | 3.1 | 1.9 |
| Adopted NGSS | 3.1 | 1.9 |
| N | 466 | 261 |
| Mean number of professional development courses with evolution focus | ||
| Non-Framework | 1.4 | 1.4 |
| Based on Framework† | 1.7 | 1.2 |
| Adopted NGSS† | 1.8 | 1.2 |
| N | 466 | 251 |