FAKTORIJALNA INVARIJANTNOST U LONGITUDINALNIM STUDIJAMA: MERENJE ISTOG KONSTRUKTA TOKOM VREMENA
Sažetak
Neretko se u istraživanjima prilikom ponavljanog zadavanja istog instrumenta podrazumeva da će taj instrument jednako da meri pretpostavljeni latentni konstrukt koliko god puta da ga zadamo, odnosno da se njegova svojstva neće promeniti tokom vremena. Međutim, invarijatnost merenja nije nešto što instrument poseduje kao default, već je invarijatnost potrebno testirati. Cilj ovog rada se upravo ogleda prikazu načina na koji se primenom konfirmativne faktorske analize na setu longitudinalnih podataka može ispitati faktorijalna invarijatnost. Prvi deo rada je teorijski i predstavlja pregled različitih tipova invarijatnosti, dok je drugi deo rada zamišljen kao praktikum jer prikazuje na koji način se konfirmativna faktorska analiza za ponovljena merenja realizovana u softverskom okruženju R koristi za ispitivanje invarijatnosti.
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