# Circular instead of hierarchical: methodological principles for the evaluation of complex interventions

**Type:** Papers  
**Canonical URL:** https://picoportal.org/library/papers/circular-instead-of-hierarchical-methodological-principles-for-the-evaluation-of/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Harald Walach,Torkel Falkenberg,Vinjar Fønnebø,George Lewith,Wayne B. Jonas |
| Citations | 247 |
| DOI | 10.1186/1471-2288-6-29 |
| Fields | Decision Sciences,Economics, Econometrics and Finance,Medicine |
| Open Access | true |
| OA Status | gold |
| OA URL | https://bmcmedresmethodol.biomedcentral.com/track/pdf/10.1186/1471-2288-6-29 |
| OpenAlex ID | https://openalex.org/W2114497206 |
| PMID | 16796762 |
| Type | article |
| Year | 2006 |

## Paper authors

- [Harald Walach](https://picoportal.org/library/researchers/harald-walach/)
- [George Lewith](https://picoportal.org/library/researchers/george-lewith/)
- [Wayne B. Jonas](https://picoportal.org/library/researchers/wayne-b-jonas/)

## Paper journal

- [BMC Medical Research Methodology](https://picoportal.org/library/journals/bmc-medical-research-methodology/)

## Paper primary topic

- [Meta-analysis and systematic reviews](https://picoportal.org/library/topics/meta-analysis-and-systematic-reviews/)

## Paper topics

- [Meta-analysis and systematic reviews](https://picoportal.org/library/topics/meta-analysis-and-systematic-reviews/)
- [Health Systems, Economic Evaluations, Quality of Life](https://picoportal.org/library/topics/health-systems-economic-evaluations-quality-of-life/)
- [Clinical practice guidelines implementation](https://picoportal.org/library/topics/clinical-practice-guidelines-implementation/)

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Source: PICO Portal — public research metadata, principally OpenAlex. See https://picoportal.org/library/sources/ for provenance and https://picoportal.org/library/methodology/ for what these figures mean.