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Intercoder agreement expressed as Cohen κ and percent agreement for usability categories and factors.
| Data set | Agreement level | ||||
|
|
Usability category | Usability factor | |||
| Data set 8 | |||||
|
|
Usability problems, n | 18 | 18 | ||
|
|
Percent agreement (%) | 72 | 67 | ||
|
|
Cohen κ | 0.62 | 0.63 | ||
| Data set 7 | |||||
|
|
Usability problems, n | 41 | 41 | ||
|
|
Percent agreement (%) | 76 | 66 | ||
|
|
Cohen κ | 0.67 | 0.62 | ||
