"It is a method that requires participants to verbalize waht they are doing and thinking as they complete a test, revealing aspects of an interface that delight, confuse, and frustrate."

Concurrent think-aloud and retrospective think-aloud are two commeon procedures of the think-aloud protocol.

Think-aloud Protocol

"It focuses on people and their tasks, and seeks empirical evidence about how to improve the usability of an interface."

Usability Testing

- "Heuristic evaluation summarized a set of usability best practices that can help detext usability problems before actual users are brought in to further evaluate an interface."
- See the node "Nielsen Norman Group" for the 10 heuristics that Nielsen built in 1994.

Heuristic Evaluation

Some user research methods could be both depending on how the researcher conducts it.

Michigan State University

Boise State University

University of Michigan - Ann Arbor

User research methods can be divided into two subsets: 
- Quantitative 
- Qualitative

User Research Methods

Hanington, Bruce M. Universal Methods Of Design: 100 Ways To Research Complex Problems, Develop Innovative Ideas, And Design Effective Solutions. Beverly, MA : Rockport Publishers, 2012. Print.

Universal Methods of Design

Hybrid (Quantitive & Qualitative)

Ethnographic field studies and interviews focus on the reasoning behind users' behavior and are examples of methods that can help you form an understanding of users' behavior, such as why they left a website so quickly. 

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