How is it possible for kappa to be less than 1.00 for sex?
Well, the students could change sex, but this is not plausible within an anatomy practical. It also seems unlikely that the student observing could not tell. This must be a recording error of some kind. This could happen when the data were first written down or when they were entered into the computer.
It could also be that the wrong answer has been recorded as a bit of sabotage or mischief.
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