Which approach best supports long-term retention of skills?

• A. Interleaving different skills within a session.
• B. Focusing on a single skill exclusively in every session.
• C. Skipping breaks to push through the material.
• D. Distributed practice over time.

Answer: (D)

Distributed practice over time uses the spacing effect to strengthen skills for lasting retention. By revisiting the skill after intervals, you reinforce memory traces and improve your ability to recall and apply the skill later, reducing forgetting. Spacing also invites retrieval practice across sessions, which further solidifies learning. Interleaving within a single session can help you distinguish between different skills, but spreading practice across days or weeks provides stronger long-term retention. Focusing on one skill exclusively in every session tends to create massed practice, giving quicker short-term gains but poorer durability. Skipping breaks harms focus and encoding, so it’s not effective for durable learning.