Table 2
Initial screening, identification of main impacts, and SNA data collection and preliminary analysis.
Première exploration, identification des principaux impacts, et collecte des données et première analyse SNA.
| SNA stages | Explanations |
|---|---|
| (a1) Face-to-face interviews (sample) | For each of the dimensions of SNA (information flows, financial and collaboration links), the stakeholders defined the intensities of relationships in relation to organic crop production. The rating was from 0 to 3. The stakeholders reconstructed the network of actors corresponding to the initial situation in 1999, as well as to changes in four different periods: 2000–2003, 2003–2005, 2005–2010 and 2010–2014. |
| (a2) Data cleaning | The three dimensions of the SNA were agglomerated (simple average). Since the direction of the relationships was not considered, the strength of a link from actor A to actor B, for instance, was expressed as an average between the score provided by A (on its relation with B) and the one provided by B (on its relation with A). When only the actor A (for instance) could tell its level of relationships with actor B, this score only was taken into account. |
| (a3) Generalization of the SNA sample to the population (“wider” sample) | The sample was expanded to the population of 35 organic farmers. The interest of generalizing the sample was to ensure that stakeholders are not under or over represented in the network. This generalization was made on a theoretical basis, by “multiplying” farmers involved in the sample. |
| (a4) Calculation of SNA indicators (on the basis of the “wider” sample) | Calculation of the following indicators by the UCINET software: Betweenness. Clustering coefficient (for nodes and on average). Degrees (for nodes and on average). |
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