Revising the Redundancy Principle in Multimedia Learning

  title={Revising the Redundancy Principle in Multimedia Learning},
  author={Richard E. Mayer and Cheryl I. Johnson},
College students viewed a short multimedia PowerPoint presentation consisting of 16 narrated slides explaining lightning formation (Experiment 1) or 8 narrated slides explaining how a car’s braking system works (Experiment 2). Each slide appeared for approximately 8–10 s and contained a diagram along with 1–2 sentences of narration spoken in a female voice. For some students (the redundant group), each slide also contained 2–3 printed words that were identical to the words in the narration… CONTINUE READING