id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
educatio-240	Dina, Firma; Efendi, Jon	The Effectiveness of Project-Based Learning in a Skirt Making Skill for Deaf Students	2020	10	.pdf	application/pdf	2739	111	56	Furthermore, the instrument can already be used in research to collect data, and the data is later tested with statistical tests using a formula that corresponds to the type of data collected, which in this research the formula to be used is the formula Wilcoxon signed ranks test. The calculation of the Wilcoxon test formula can be done using the SPSS16 application, and from these calculations we get the following results: Table 2 Descriptive initial test scores (pre-test) and final test scores (post-test)	cache/educatio-240.pdf	txt/educatio-240.txt