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. 2021 Jul 15;16(7):e0253692. doi: 10.1371/journal.pone.0253692

Table 3. Overview of scales for knowledge and skills (Peter et al. 2021).

Scales Number of items Reliability (Cronbach’s Alpha)
Knowledge
Change in awareness of species 3 0.857
Change in understanding of biodiversity 3 0.951
Learning about species, environment, and science 3 0.769
Skills
Gain in skills of data collection 4 0.845
Gain in skills of data analysis, etc. 6 0.865