Which radiation detection device is commonly used for personal dosimetry?

The dosimeter badge is the correct choice for personal dosimetry as it is specifically designed to measure an individual's exposure to radiation over time. These badges typically contain materials that react to radiation by developing a latent image or accumulating a dose that can later be read and quantified. They are worn on the body to provide a record of radiation exposure in occupational settings, ensuring that individuals are monitored for their safety and compliance with radiation safety standards.

In contrast, while ionization chambers and scintillation counters are effective radiation detection devices, they are primarily used for measuring radiation levels in an environment or for specific applications rather than for personal exposure monitoring. Geiger (GM) counters, like these other devices, are used more for detecting and measuring radiation in various settings but do not provide the continuous, long-term exposure data that dosimeter badges do. Hence, dosimeter badges are the standard and most effective option for personal dosimetry.