In fact, studies of informal surveys of principals (see «When Principals Rate Teachers,» research, Spring 2006) and teacher ratings by mentor teachers find that these more -
subjective evaluation methods have similar power to detect differences in teacher effectiveness as the TES ratings.
Not exact matches
We contend, however, that
evaluations based on observations of classroom practice are valuable, even if they do not predict student achievement gains considerably better than more
subjective methods like principal ratings of teachers.
Rothstein also argued in favor of using seniority to handle layoffs, which he says is a less costly,
subjective, and controversial
method than using annual performance
evaluations.
Beyond the
evaluation of the sensitivities, the
method also provides a rigorous calculation of the probability for a parameter to be within a given interval, without all the
subjective «confidence» or «likelihood» statements which adorn every paragraph of the IPCC WG1 reports.