Anne C Bellows, Sudha Raj, Ellen Pitstick, Matthew R Potteiger, Stewart A W Diemont
Foraging Wild Edibles: Dietary Diversity in Expanded Food Systems
Nutrients
teacher quality widely believed important education despite little evidence teachers credentials matter student achievement accurately measure variation achievement due teachers characteristicsboth observable unobservableit essential identify teacher fixed effects unlike previous studies use panel data estimate teacher fixed effects controlling fixed student characteristics classroom specific variables find large statistically significant differences among teachers one standard deviation increase teacher quality raises reading math test scores approximately 20 24 standard deviations respectively nationally standardized scale addition teaching experience statistically significant positive effects reading test scores controlling fixed teacher quality