Cello Method
CELLO is largely derived from the expert-based heuristic method promoted by Jacob Neilsen. It is similar to heuristic or expert evaluation except it is collaborative in that multiple experts, guided . (Read Complete Description)
Co Discovery
Co-discovery is a type of usability testing similar to think aloud protocol except two participants attempt to perform tasks together while being observed in a realistic work environment. As with thin . (Read Complete Description)
Cognitive Walkthrough
Using a prototype, a conceptual design document, or the final product, a group of evaluator steps through tasks, evaluating at each step how difficult it is for the user to identify and operate the sy . (Read Complete Description)
Diagnostic Evaluation
A diagnostic evaluation is a usability assessment to diagnose problems with a system so that they can be remedied. It involves the use of a representative sample of subject matter experts who are run . (Read Complete Description)
Feature Inspection
Feature inspections involve the assessment of a product’s feature set within the context of the task to be performed. Emphasis is placed on sequence of tasks, accessibility, potential for confusion, a . (Read Complete Description)
Focus Groups
A focus group brings together stakeholders and / or experts to help refine the requirements of a system or to evaluate a particular system. Views are elicited by a facilitator on relevant topics. A fo . (Read Complete Description)
Formal Usability Inspection
A formal usability inspection is usually conducted by a team of stakeholders and experts each of which is assigned a particular aspect of the system to evaluate. A moderated meeting is then convened w . (Read Complete Description)
Heuristic Evaluation
Heuristic evaluation, also known as expert evaluation, is a quick technique used to identify general usability problems that operators can be expected to encounter when using a computer or a telematic . (Read Complete Description)
Journaled Sessions
A journaled session is a way to evaluate the usability of software remotely. Users are provided with a disk or CD containing the prototype interface and asked to perform a variety of tasks. The softwa . (Read Complete Description)
A mockup is a large-scale, proportioned model of the final equipment, subsystem, or system used for validation of layout. There are three basic types of physical mockup: 1) Class I - A class I mockup . (Read Complete Description)
Questionnaire for Interaction Satisfaction (QUIS)
QUIS is a tool developed by the University of Maryland designed to assess users' subjective satisfaction with specific aspects of the human-computer interface. The QUIS 7.0 is the current version. It . (Read Complete Description)
Scenario Building
A scenario-based usability test involves presenting representative end-users with scenarios, or specific tasks, designed to cover the major functionality of the software system and to simulate expecte . (Read Complete Description)
Self-Reporting Logs 
Self-reporting logs are paper-and-pencil journals in which users are requested to log their actions and observations while interacting with a product. . (Read Complete Description)
Software Usability Measurement Inventory (SUMI)
SUMI was developed on the project by the Human Factors Research Group (HFRG), University College, Cork. This generic usability tool comprises a validated 50-item paper-based questionnaire in which res . (Read Complete Description)
System Usability Scale( SUS)
SUS is a 10-item questionnaire that employs a Likert scale to obtain an overview of user satisfaction with software. It was developed by John Brooke to: provide an easy test for subjects to complete . (Read Complete Description)
Usability Content Analysis
Usability Context Analysis is a structured method for eliciting detailed information about a product and how it will be used, and for deriving a plan for a user based evaluation of a product. For this . (Read Complete Description)
Usability Problem Inspector (UPI)
The Usability Problem Inspector (UPI) is an inspection tool based on an organizing framework of usability concepts and issues. The UPI is intended to help inspectors conduct a highly focused inspectio . (Read Complete Description)