| Dimension | Scoring Notes | Score |
|---|---|---|
| Study Design | Human observational and some controlled studies for sleep disorders, pain, and stress in 1980s-1990s European (mainly Swiss/German) research. Older literature base, no modern RCT. |
15 / 25 |
| Sample Size | Small studies typical of 1980s neuropeptide research — usually 10-30 subjects. No large modern trials. |
4 / 20 |
| Replication | Some replication across European groups in the 1980s but research effectively stalled since ~1995. No modern independent replication. |
5 / 20 |
| Journal Impact Factor | Published in Peptides journal (IF ~3), Experientia, Pharmacology Biochemistry and Behavior (IF ~3). Older mid-tier journals. |
4 / 15 |
| Funding Independence | Academic European (Swiss SNSF, German DFG) funded. Independent from commercial interests. |
4 / 10 |
| Population Diversity | Predominantly small European cohorts. Limited diversity. |
3 / 5 |
| Researcher h-Index | Primary DSIP researchers (Monnier, Graf, Schoenenberger) are retired/deceased. h-Index not current or findable in modern databases. |
2 / 5 |