The document summarizes research on teaching grammar deductively versus inductively. It describes a study that compared teaching 10 French grammar points deductively by explaining rules first versus inductively by exposing students to example sentences first without explanation. Students performed better on immediate and delayed tests of the grammar points when they were taught inductively, discovering the rules through meaningful examples and communication rather than being directly taught the rules. The document concludes with criteria for effective inductive grammar lessons, noting students can communicate using new structures before being taught the linguistic rules.