What instructional strategy focuses on teaching key concepts before detailed instruction?

The correct answer is Advance Organizers. This instructional strategy is designed to introduce and present the overarching ideas or key concepts before delving into more detailed information. By providing students with a framework or pre-lesson overview, Advance Organizers help learners connect new knowledge to prior knowledge, making it easier for them to process and retain the information that follows.

By highlighting the essential themes or main points at the beginning of the lesson, educators can enhance students' understanding and set a clear purpose for learning. This approach facilitates better comprehension of complex material, as students are equipped with a mental structure to organize and integrate new facts and details as they are introduced.

Direct Instruction, on the other hand, typically involves explicit teaching of a specific skill or fact in a structured manner but does not necessarily preface learning with an overview of key concepts. Discovery Learning emphasizes exploration and emphasizes that students learn through their own experiences, which may not always include a clear presentation of overarching ideas before the details are taught. Collaborative Learning focuses on group work and peer interaction, and while it fosters engagement, it is not primarily centered on pre-teaching key concepts in the way that Advance Organizers do.