id author title date pages extension mime words sentence flesch summary cache txt b8515m62t0k Sara M. Fulmer Academic challenge in middle school: Teacher perceptions and student reactions 2013 .txt text/plain 354 16 29 These findings suggest that, in the context of moderate reading difficulty, perceived difficulty and fluency have divergent effects on different motivational outcomes. The change in interest was predicted by perceived difficulty and fluency, whereas the change in affect was predicted only by perceived difficulty. cache/b8515m62t0k.txt txt/b8515m62t0k.txt