Which instructional method is considered efficient for delivering knowledge quickly?

A lecture is considered an efficient instructional method for delivering knowledge quickly because it allows an instructor to present a substantial amount of information in a structured format to a large audience in a relatively short amount of time. Lectures are designed to convey facts, concepts, and theories efficiently by focusing on key points and using tools like slides or handouts to reinforce understanding. This method enables learners to absorb a breadth of information without needing to engage in the interactive processes that other methods, such as group discussions or hands-on activities, might require, which can take more time for the same amount of content to be conveyed.

While methods such as group discussion, debate, and hands-on activities are valuable in fostering deeper understanding and enhancing critical thinking skills, they typically involve more time for interaction and reflection, which can lead to a longer duration before knowledge is fully assimilated. In contrast, a well-structured lecture can deliver essential information quickly, making it an efficient choice when the goal is to provide foundational knowledge rapidly.