Scientific research methodologies explore the many aspects of reliable, valid and sound research techniques. Based on his or her knowledge, a scientific research methodologist can act as a consultant on different research projects, as well as providing expert opinion and oversight.

The United States of America commonly called the United States, is a federal republic consisting of fifty states and a federal district. The 48 contiguous states and the federal district of Washington, D.C. are in first North America between Canada and Mexico. The state of Alaska is in northwestern North America, west of Canada and east of Russia across the Bering Strait, and the state of Hawaii is an archipelago in the mid-North Pacific. The country also has five populated and nine unpopulated territories in the Pacific and the Caribbean.

Graduate certificate programs intend to confer professional credentials on students who wish to advance their careers. These programs might be particularly useful to students wishing to pursue postgraduate studies or professionals who wish to secure more credibility.

Online or distance learning refers to the use of electronic media and information and communication technologies (ICT) in education. With online learning, one can access education at any time and from any location with an available internet connection.