Peter is not stupid
– he just can’t hear nor understand what the teacher is saying
| 1) | “Speech Intelligibility in Classrooms” research project conducted by The Department of Building Engineering & Surveying of Herriot-Watt University in Edinburgh | |
| 2) | Danish National Research Center for Working Environment: “Noise from human activity” | |
| 3) | Julian Treasure, Sound Business, 2007 | |
| 4) | Source: Health Technical Memorandum 08-01: Acoustics |
