Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePrincipal Component Analysis of Smoothed Tetrachoric Correlation Matrices as a Measure of Dimensionality.AuthorsDebelak, Rudolf; Tran, Ulrich S.SubjectsALGORITHMS; STATISTICAL correlation; EDUCATIONAL tests &; measurements; FACTOR analysis; DATA analysis software; DESCRIPTIVE statisticsPublicationEducational & Psychological Measurement, 2013, Vol 73, Issue 1, p63ISSN0013-1644Publication typeJournal ArticleDOI10.1177/0013164412457366