Sadohnyané, ipun mautsaha mupulang data mangda sistem kadi punika prasida nagingin makasami variabel prasida katentuang, raris ring dija ja efek variasi ring silih tunggil variabel prasida nampek ring konstan sané ngawinang efek variabel tiosan prasida kacingakin.
For a natural experiment, researchers attempt to collect data in such a way that the effects of all the variables can be determined, and where the effects of the variation remain fairly constant so that the effects of other factors can be determined.