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Applying exclusion criteria to identified literature limits analysis to relevant articles
| Criterion | Number |
|---|---|
| Total articles identified in search | 255 |
| Published 1988–2018 (of 255) | 200 |
| Peer reviewed (of 200) | 177 |
| Related to biology education content (of 177) | 161 |
| Either: Emphasizes the importance of interest (of 161) | 125 |
| and/or: Reports on students’ interest (of 161) | 109 |
| Final relevant articles analyzed in the review | 139 |
