FIGURE 10.3. An agreement matrix, as displayed by GSEQ, for which kappa is .84; an agreement was tallied if coders agreed within + 2 seconds. A total of 1255 seconds were coded. Code ulp combines unoccupied, onlooking, and person; ob = object; Yop combines symbol-only, object-symbol, and person-symbol; sj = supported joint and cj = coordinated joint engagement; Ss = symbol-infused supported and Cs = symbol-infused coordinated joint engagement.
represents the proportion of agreement actually observed (.87 for the tallies in Figure 10.3), k
represents the proportion of agreement expected due to chance (.18 for the tallies in Figure 10.3), and
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