Abstract Background Health Related Quality of Life (HRQoL) is a relevant variable in the evaluation of health outcomes. Questionnaires based on Classical Test Theory typically require a large number of items to evaluate HRQoL. Computer Adaptive Testing (CAT) can be used to reduce tests length while maintaining and. in some cases. https://poolsproductscanadas.shop/product-category/zodiac-cyclonic-leaf-catcher-parts/