Norm-referenced and criterion-referenced reliability and validity of the back-saver sit-and-reach. Meas Phys Educat Exerc Sci. 2003;7(2):71- 87.HARTMAN J,LOONEY M.Norm-referenced and criterion-referenced reliability and validity of the back-saver sit-and-reach. Meas Phys Edu Exe Sci . ...
however, show that the campaign has grown substantially year-over-year for the past decade. In 2019, the campaign topped $1 billion for the first time, according to estimates of online and offline donations released by GivingTuesday,