| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | doppler effect | Western countries | Commonly taught in physics and astronomy classes as a fundamental principle of wave behavior. | 1 |
| 2 | doppler effect | Western countries | Commonly understood principle in physics and astronomy, often used in explaining redshift in celestial objects. | 1 |
| 3 | doppler effect | Western countries | Doppler effect is commonly studied in physics classes and is well understood in Western countries. | 1 |