Indeed, the reliability that we saw with
single classroom observations (around.4) would have been on the low end of the reliability of value - added measures.
A single classroom observation has lower reliability than a value - added measure, but a combination of four classroom observations yields a higher reliability of about 0.65.
Often there is some kind of pre-conference, one
single classroom observation and a post-conference.
Not exact matches
Under IMPACT, all teachers receive a
single score ranging from 100 to 400 points at the end of each school year based on
classroom observations, measures of student learning, and commitment to the school community.
When used for a teacher in a
single classroom, we frequently only have 20 or 25
observations (if that).
Whereas traditional evaluations tend to be one - dimensional, relying exclusively on a
single observation of a teacher in a
classroom, more comprehensive models capture a richer picture of a teacher's performance.