Table 7 Benchmark scales for Kappa’s value, as proposed by different investigators

<.0 Poor

.00 to .20; Slight

<.20 ;Poor

<.40; Poor

.21 to .40; Fair

.21 to .40; Fair

.40 to .75; Intermediate to Good

.41 to .60; Moderate

.41 to .60; Moderate

.61 to .80; Substantial

.61 to .80; Good

More than .75; Excellent

.81 to 1.00; Almost Perfect

.81 to 1.00; Very Good