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Correlations between HDI and difficulties to identify the most relevant indicators and indices. Depicted are Spearman rank correlations (upper line) and error probabilities (lower line)
| HDI value | Difficulty to identify the most relevant water quality indicator | Difficulty to identify the most relevant water quality index |
|---|---|---|
| rSp | −.245 | −.113 |
| p | .068 | .417 |
