**Updated 4.27.2022** with Polio (2012) A LOT of this research has been shared by Eric Herman, either in the Acquisition Classroom Memos, his book, “Research Talks…,”or from my direct requests. Thanks, dude! As you’ll see, there is very little support (none?) for explicit grammar, or traditional rule-based language instruction. Even effectiveness aside, it should be … Continue reading Studies Showing the Ineffectiveness of Grammar Instruction & Error Correction