maximum value the category could obtain). Those estimations allowed
us to identify the relative value of some categories in relation to others.
To cross-check responses, on November 2010 we followed the
same procedure to conduct the valuation of home garden ecosystem
services with a scientific panel. We used a purposive sample to generate the panel. The panel was integrated by seven scientists from the
Institut de Ciència i Tecnologia Ambientals (ICTA) of Universitat
Autònoma de Barcelona (UAB) working in the field of ecosystem
services and willing to answer the survey. Each member of the
panel independently valued their conformity with the 19 statements
about ecosystem services provided by home gardens, using the same
questionnaire than stakeholders.
Finally, we ran a power correlation analysis to examine the similarity between both sets of responses. For the statistical analysis we