INSERT is a strategy with several uses. Students mark a text (with pencil or sticky flags) with symbols such as +. -. !, ? to monitor their comprehension during reading. These marks can then be used by the teacher to help students engage in discussions, and clarify understanding. Students can also use the marks to make notes after reading.
This is actually 2 articles from American Educator Spring 2011
-Putting Students on the Path to Learning: The Case for Fully Guided Instruction
-Principles of Instruction: Research-Based Strategies That All Teachers Should Know
The first article asserts that “teachers are more effective when they provide explicit guidance accompanied by practice, not when they require students to discover many aspects of what they must learn.”
The second article presents 10 research-based principles of instruction, along with suggestions for classroom practice.