id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
epaa-4421	Davis, Keith; Rogers, Deborah; Harrigan, Martin	A review of state policies on principal professional development	2020	22	.pdf	application/pdf	10016	443	40	In the following section we will discuss how we refined and utilized the criteria created from this review to assess whether state PPD policies adhere to research-based recommendations. The research covered in this literature review demonstrates not only the need for PPD, but for effective PPD policies.	cache/epaa-4421.pdf	txt/epaa-4421.txt