Table 3.

Conditions enabling co-creation: resources, capacities and effort required, in order to select the most appropriate tool (Source: authors).

Size of stakeholder group	Time frame	Level of expertise / effort needed
o Small group (1–5 people)	o Less time consuming (30–60 min)	o Relatively easy to apply
o Middle group (from 6 up to 12 people)	o Middle time consuming (0.5–1.5 h preparation and 1–2 h activity)	o Needs certain expertise to apply
o Large group (from 13 up to 100 people and more)	o Highly time consuming (long preparation, several rounds of activities, post-event analysis)	o Needs expertise and experience