Reliable assessment methods should allow different assessors to come to the same conclusions.
There are [disagreements] several times. There is something that I think 'ha, this is problematic.' My colleagues say 'no, that's okay.' And then we try to make an agreement on that. And then when we agree on that, if we think it's okay or problematic, then we also add it to the evaluation rubric.
And it gives clarity. [...] You give consistent instructions and you expect the TAs to actually follow the instructions consistently. To apply them consistently.