Experimental techniques are methods used by scientists to test hypotheses and gather data. These techniques can include controlled experiments, where variables are manipulated to observe effects, and observational studies, where researchers collect data without interference. Common tools in these experiments may involve laboratory equipment, surveys, or field studies. In addition to traditional methods, modern experimental techniques often incorporate technology, such as computer simulations and data analysis software. These advancements allow for more precise measurements and the ability to analyze large datasets, enhancing the reliability of results. Overall, experimental techniques are essential for advancing knowledge in various scientific fields.