id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
gsjp-10828	Nosen, Elizabeth; Woody, Sheila R.	Online Surveys: Effect of Research Design on Rates of Invalid Participation and Data Credibility	2008	12	.pdf	application/pdf	9245	427	48	Detecting Invalid Participation Identifying and removing invalid participants prior to data analysis is another strategy for enhancing integrity of online research. Repeating the MANOVAs showed that group differences in central tendency still remained in both the cognition variables and the smoking variables after removing invalid participants, Pillai’s Trace’s 0.11, F’s 2.58, p < .01, p 2 0.06.	cache/gsjp-10828.pdf	txt/gsjp-10828.txt