id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
bece-456	Wei, Yi	The Effects of Teacher Professional Development on Student Achievement	2021	1	.pdf	application/pdf	325	13	28	In addition, stu- dents’ achievement and teachers’ effectiveness are affected by various fac- tors, therefore, it is also important to combine quantitative and qualitative re- searches, collecting multi-dimensional teacher data, so as to more objectively evaluate the effects of teachers’ participation in professional development ac- tivities on students’ achievement. Email: ywei@ciefr.pku.edu.cn OST of the previous empirical studies on teacher professional devel- opment mainly focused on the impacts of professional development activities on teachers themselves, while fewer analyzed the impacts on stu- dents.	cache/bece-456.pdf	txt/bece-456.txt