![]() ![]() User control and freedom: Users often choose system functions by mistake and will need a clearly marked "emergency exit" to leave the unwanted state without having to go through an extended dialogue. ![]() Follow real-world conventions, making information appear in a natural and logical order. Match between system and the real world: The system should speak the users' language, with words, phrases and concepts familiar to the user, rather than system-oriented terms.Visibility of system status: The system should always keep users informed about what is going on, through appropriate feedback within reasonable time. ![]() Nielsen refined the list originally developed in 1990 by himself and Rolf Molich. Though many groups have developed heuristics, one of the best-known sources is the set developed by Nielsen’s in 1994. The evaluation may identify more minor issues and fewer major issues. You should use multiple experts and aggregate their results. ![]() Trained usability experts are sometimes hard to find and can be expensive. It requires knowledge and experience to apply the heuristics effectively. You can conduct usability testing to further examine potential issues. You can use it together with other usability testing methodologies. You can obtain feedback early in the design process.Īssigning the correct heuristic can help suggest the best corrective measures to designers. It can provide some quick and relatively inexpensive feedback to designers. Although the heuristics relate to criteria that affect your site’s usability, the issues identified in a heuristic evaluation are different than those found in a usability test. The analysis results in a list of potential usability issues.Īdvantages and Disadvantages of HeuristicsĪ heuristic evaluation should not replace usability testing. In a heuristic evaluation, usability experts review your site’s interface and compare it against accepted usability principles. ![]()
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