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. 2016 Mar 17;11(3):e0151693. doi: 10.1371/journal.pone.0151693

Fig 4. Relationship between years of schooling and different levels of competence or knowledge.

Fig 4

Visual recognition: r2 = 0.352, p = <0.001; Plant form: r2 = 0.3742, p = <0.001; Generic name: r2 = 0.4077, p = <0.001; Specific name: r2 = 0.426, p = <0.001; Use: r2 = 0.43, p = <0.001; Global Index: r2 = 0.42, p = <0.001.