Sentences with phrase «true teacher effects»
These effects, rather, might have been more likely caused by bias given the types of students non-randomly assigned to teachers» classrooms versus «true teacher effects.»
http://vamboozled.com/
Researchers find that no VAM «accurately captures true teacher effects in all scenarios, and the potential for misclassifying teachers as high - or low - performing can be substantial [emphasis added].»
Not exact matches
The net effect of growing charter schools, closing under - enrolled traditional public schools, and only hiring back the best and most desired teachers from those schools is a true merit pay system.
To take just one example, one of the most disturbing negative effects of test - based accountability is that many young teachers have been trained specifically to use bad test prep — test prep that generates bogus gains in scores rather than true improvements in learning.
If teachers tend to rely more on lectures when assigned more capable or attentive students, this would generate a positive relationship between the amount of time spent lecturing and student achievement, even in the absence of a true causal effect.
Most Head Start teachers hold a bachelors degree and that held true for Gerde's sample but she and her team found previous education had no effect on the amount of science instruction teachers offered.
The trend is that instead of having such figures with 99 % of teachers being rated as satisfactory or above (see «The Widget Effect» report here), these new and improved teacher evaluation systems are to distribute teachers» evaluation scores around a normal curve, that is more likely true, whereas many more teachers are to be identified for their ineffectiveness.
Unfortunately, the opposite is true as well: if a student has an ineffective teacher, the negative effect on her achievement may not be fully remediated for up to three years.»
So a VA model that identifies teachers» true effects should show no effect of 5th grade teachers on their students» 3rd grade test scores two years earlier.