Table 3 Distribution of types of evidence for 86 human evolution lesson plans
From: A content analysis of pre-college lesson plans on human evolution
| Â | n | Types of Evidence Presented in Human Evolution Lessons | Used a Social Science Perspective | ||
|---|---|---|---|---|---|
Direct | Indirect | Both | |||
The Lesson Plans that presented: | 86 | 9 | 52 | 25 | 15 |
 1 type of evidence for evolution | 35 | 9 | 25 | 0 | 1 |
 2 types of evidence for evolution | 28 | 0 | 20 | 8 | 7 |
 3 types of evidence for evolution | 15 | 0 | 4 | 11 | 4 |
 4 types of evidence for evolution | 6 | 0 | 2 | 4 | 3 |
 5 types of evidence for evolution | 1 | 0 | 0 | 1 | 0 |
 6 types of evidence for evolution | 1 | 0 | 0 | 1 | 0 |