Randomized elements are components in a system or process that are determined by chance rather than by a fixed rule. They introduce variability and unpredictability, making outcomes less certain. For example, in video games, loot boxes often contain randomized elements, providing players with different rewards each time they open one. In scientific research, randomized elements are used in experiments to eliminate bias. By randomly assigning subjects to different groups, researchers can ensure that the results are not influenced by external factors. This method is crucial in fields like medicine and psychology to validate findings and improve the reliability of conclusions.