Open Access

Table 2

Interpretation of Fleiss’s kappa coefficient for agreement: from Landis & Koch (1977).

κ range Interpretation
<0 No agreement
0.0–0.19 Poor agreement
0.20–0.39 Fair agreement
0.40–0.59 Moderate agreement
0.60–0.79 Substantial agreement
0.80–1.00 Almost perfect agreement

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