Research

Why lo-fi instructional review can work.

CramTrax is designed around established learning principles — not “music makes you smarter” claims. The goal is retention and consistency.

Cognitive load

Reduce extraneous load so working memory can focus on the task.

Dual coding

Encode information through verbal and auditory channels for stronger recall.

Spaced repetition

Short re-exposures over time combat forgetting and improve long-term memory.

Two listening modes

  • Background Mode: instrumental focus while reading/writing.
  • Active Review Mode: instructional tracks where the vocals are the lesson.

Citations

  • Sweller (1988) Cognitive Load Theory
  • Paivio (1971) Dual Coding Theory
  • Ebbinghaus (1885) Forgetting Curve
  • Salamé & Baddeley (1989) Irrelevant speech effect