This is not to say that it is impossible to do so, but it will either be impractical or unethical to do so. For example, a researcher may be interested in the effect of illegal, recreational drug use (the independent variable(s)) on certain types of behaviour (the dependent variable(s)).
This tutorial was last updated on March 17, 2015 and is only intended for desktop/laptop users running the Mac OS X 10.10.x (or above) operating system. While Apple's Safari is a well-known favorite among Mac users, OS X's default browser is far from the only game in town. With popular alternatives such as Chrome and Firefox available on the platform, along with other formidable options like Maxthon and Opera, it not uncommon to have several browsers installed on the same system.
You can still make Google (, Tech30) Chrome, Mozilla Firefox, Apple (, Tech30) Safari or another app your default browser in Windows 10, but it's not as easy or intuitive to do that as it was in previous versions of Windows. Here's how to do that: 1) Click the Use this as my default browser button.