id author title date pages extension mime words sentence flesch summary cache txt h128nc60x08 Samantha F. Anderson Missing Data in Randomized Pretest Posttest Studies: A Growth Curve Perspective 1904 .txt text/plain 356 12 34 Although missing data handling has seen advances over the past several decades, effective and practical solutions for handling missing data in RPP designs are lacking. However, missing data at posttest is a ubiquitous occurrence with this type of design. cache/h128nc60x08.txt txt/h128nc60x08.txt