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Table 4 Intra-rater reliability (Cohen’s kappa) by domain

From: A reliability assessment of a direct-observation park evaluation tool: the Parks, activity and recreation among kids (PARK) tool

Domain # Items Average Kappa Highest Kappa Lowest Kappa # Items ≥ 0.40 Kappa % Items ≥ 0.40 Kappa
Activities 15 0.74 0.94 −0.03 13 93 %
Environmental Quality 9 0.60 1.00 0.38 8 89 %
Services 8 0.66 0.73 0.63 7 100 %
Safety 6 0.49 0.74 0.32 4 67 %
General Impression 6 0.62 0.84 0.48 6 100 %
Overall 44 0.62 0.85 0.36 38 90 %
  1. Note: kappa could not be calculated for 1 item in the Activities domain and 1 item in the Services domain due to a lack of response variation between observers