experimental studies involve

Experimental studies involve manipulating one variable to determine if changes in one variable cause changes in another variable. For instance, comparing two teaching methods (teacher A's method to teacher B's method).

Experimental studies are a type of research design that allows researchers to manipulate one variable to determine if changes in that variable cause changes in another variable. This is often used in fields such as psychology, sociology, and education to test hypotheses and draw conclusions. In the given example, the variable being manipulated is the teaching method, and the variable being measured for changes is the students' learning outcomes.