Despite the importance of spelling for both writing and reading, there is considerable disagreement regarding how spelling skills are best acquired. During this and virtually all of the last century, some scholars have argued that spelling should not be directly or formally taught as such instruction is not effective or efficient. We conducted a…

This article examines what we know about effective adolescent writing instruction and what we still need to know. What we know is established by bringing together the findings from three sources: a comprehensive meta-analysis of experimental and quasi-experimental studies (Graham & Perin, 2007), a meta-analysis of single-subject design studies…