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Table 1 Definition of methods to collect raw data and construct indices

From: Evaluating indices of traditional ecological knowledge: a methodological contribution

  Method to collect raw data Method to construct index Index Definition
THEORETICAL DIMENSION (1) Multiple-choice task on uses of wild plants Cultural consensus Cultural knowledge of uses % of individual questions coinciding with the most frequent response in the group
   Matching with experts Agreement with experts % of individual questions matching with the answers from elders in the group
  (2) Multiple-choice task on ecology of wild plants Cultural consensus Ecological cultural knowledge % of individual questions coinciding with the most frequent response in the group
   Matching ecological data Ecological knowledge Number of responses on plant ecology matching textbook information.
PRACTICAL DIMENSION (3) Interview of reported use of plants Data aggregation Average plants used Average number of plants brought to the household per day
   Data aggregation Total plants used Number of plants brought to the household/entire search period
   Richness index Total species used Total number of different species brought to the household/entire research period
  (4) Questionnaire on skills Data aggregation Skills using plants Self-reported number of plant-made items that the participant reported knowing how to make