Articles by Obead Alhadreti
Dr. Alhadreti is an assistant professor at the Computing College, Umm Al-Qura University, Saudi Arabia. He has been involved in usability testing since 2009. His doctoral research focuses on the use of the TA methods within usability testing. His interests involve usability evaluation, cultural usability, and user experience.
Are Two Pairs of Eyes Better Than One? A Comparison of Concurrent Think- Aloud and Co-Participation Methods in Usability Testing
Abstract This paper presents the results of a study that aimed to compare the traditional concurrent think-aloud protocol with the co-participation method to determine the benefit of adding an additional participant to the testing session. The two methods were compared through an evaluation of a library website, and their relative validity and utility were measured […] [Read More]
Eye Tracking in Retrospective Think-Aloud Usability Testing: Is There Added Value?
Abstract Eye tracking is the process of recording users’ eye movements while they are looking at the location of an object. In usability testing, this technique is commonly used in combination with think-aloud protocols. This paper presents an experimental study involving 24 participants; with the aim of comparing two variants of retrospective think-aloud (RTA) methods, […] [Read More]
To Intervene or Not to Intervene: An Investigation of Three Think-Aloud Protocols in Usability Testing
Abstract This paper presents the results of a study investigating the use of three think-aloud methods in website usability testing: the concurrent think-aloud, the speech-communication, and the active intervention methods. These three methods were compared through an evaluation of a library website, which involved four points of comparison: overall task performance, test participants’ experiences, the […] [Read More]