Percentage of responses per gender (a), age (b), level of education (c), and level of participation (d).

 
 
  Part of: Tiago P, Gouveia MJ, Capinha C, Santos-Reis M, Pereira HM (2017) The influence of motivational factors on the frequency of participation in citizen science activities. Nature Conservation 18: 61-78. https://doi.org/10.3897/natureconservation.18.13429