This paper draws parallels between the principal components analysis of factorless high‐dimensional nonstationary data and classical spurious regression. We show that a few such absorb nearly all variation. The corresponding scree plot suggests contain factors, which is corroborated by standard panel information criteria. Furthermore, Dickey–Fuller tests unit root hypothesis applied to estimate...

abstract background and aim: the purpose of the present research was to validating the revised dyadic adjustment scales for marital quality in men and women referred in sanandaj counseling centered. methods: disgn is a study of correlation sort (factor analysis of tendentious oblimin rotation sort). in this research 384 subjects(women and men) were selected from clients in sanandaj counseling c...

background: several instruments have so far been developed in english language to measure the level of work-family conflict and further validation is required for non-english speakers. objective: to test factorial structure and construct validity of the persian version of work-family conflict scale among iranian nurse. methods: this study was conducted among 456 iranian nurses working at public...