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How to reduce the number of rating scale items without predictability loss?
Koczkodaj WW, Kakiashvili T, Szymańska A, Montero-Marin J, Araya R, Garcia-Campayo J, Rutkowski K, Strzałka D. Koczkodaj WW, et al. Scientometrics. 2017;111(2):581-593. doi: 10.1007/s11192-017-2283-4. Epub 2017 Feb 16. Scientometrics. 2017. PMID: 28490822 Free PMC article.
Peer assessment as a method for measuring harmful internet use.
Koczkodaj WW, Kowalczyk A, Mazurek M, Pedrycz W, Redlarski G, Rogalska E, Strzalka D, Szymanska A, Wilinski A, Xue OS. Koczkodaj WW, et al. MethodsX. 2023 Jun 15;11:102249. doi: 10.1016/j.mex.2023.102249. eCollection 2023 Dec. MethodsX. 2023. PMID: 37416490 Free PMC article.
Pairwise comparisons and visual perceptions of equal area polygons.
Adamic P, Babiy V, Janicki R, Kakiashvili T, Koczkodaj WW, Tadeusiewicz R. Adamic P, et al. Among authors: koczkodaj ww. Percept Mot Skills. 2009 Feb;108(1):37-42. doi: 10.2466/PMS.108.1.37-42. Percept Mot Skills. 2009. PMID: 19425444
No sex difference in area estimation.
Koczkodaj WW. Koczkodaj WW. Percept Mot Skills. 2009 Aug;109(1):168. doi: 10.2466/pms.109.1.168-168. Percept Mot Skills. 2009. PMID: 19831097