The system usability scale sus was introduced by british software engineer john brooke in 1986. While its original term system has fallen somewhat out of favor, its usage has notwith thousands of citations in the literature. The sus is a 10 item questionnaire with 5 response options. For each of the following statements, mark one box that best describes your reactions to the website today. The system usability scale sus is the most widely used standardized questionnaire for the assessment of perceived usability. Testing, usability evaluation, user research, usercentered design process. Original system usability scale, also known by its abbreviation as sus was developed by john brooke in 1986, it allows you to evaluate a wide variety of products and services, including hardware, software, mobile devices and websites. Apr 11, 2019 frequently used usability questionnaires are the system usability scale sus and poststudy system usability questionnaire pssuq,14. Long a favorite among ux researchers for its simplicity and accuracy, sus is a valuable quantitative tool for anyone trying to optimize the user experience. System usability scale an overview sciencedirect topics. Sus the system usability scale in response to these requirements, a simple usability scale was developed. System usability scale sus is one of the most efficient ways of gathering statistically valid data and giving your appsite a clear and reasonably precise score. System usability scale survey template sample survey. Administering sus to users of an application can provide an easy and valid measure of perceived usability.
The system usability scale sus is a questionnaire which can be used to help evaluate the usability of a project. Brooke himself describes sus as a quick and dirty tool for assessing the usability of electronic office systems. The usability scale sus is a standardized set of survey questions that allows us to benchmark our application against other offerings. Nov 07, 2017 the system usability scale sus is the most widely used questionnaire for measuring the perception of usability. Ill embed a link in the question for context for those unfamiliar with the term. Hence the required sample size of participants for a usability study is one of the critical factors. The system usability scale sus is an inexpensive, yet effective tool for assessing the usability of a product, including web sites, cell phones, interactive voice response systems, tv applications, and more. Introduction the sus system usability scale yields a single number representing a composite measure of the overall usability of the system being studied. System usability scale survey template by questionpro is a questionnaire that is used to evaluate the usability of a project. Measuring and interpreting system usability scale sus. The questionnaire is used as a quantitative analysis method within the framework of usability tests. Using the system usability scale sus, participants were asked to rate the subjective usability of common home health care devices with which they had direct experience. To meet the timing needs for product development, usability testing needs to be performed in a quick, cost effective manner.
I think that i would need the support of a technical person to be able to use this system. The system usability scale sample survey template consists of only 10 questions, which are answered using a likert scale. Brooke, 1996 is an instrument commonly utilized in usability testing of commercial products. The system usability scale sus is a simple, tenitem scale giving a global view of subjective assessments of usability. The goal of this symposium is to discuss the validity of the sus in usability tests and beyond.
Usability questionnaire an overview sciencedirect topics. However, for the aspects that are unique to mobile apps, these questionnaires cannot provide the desired unique information in mobile apps. Software usability measurement inventory sumi 2 is a rigorously tested and proven method of measuring software quality from the end users point of view. Nov 18, 2019 in the study, ehrs earned an average score of 45 on the system usability scale, a standard metric used to measure technology usability on a scale of 0 to 100. System usability scale sus is a simple and standard measure of usability.
Interpreting the scores usually involves the following process. Jan 26, 2015 the system usability scale is an attempt to solve this problem. System usability scale ryte wiki the digital marketing wiki. This article characterizes the usability of 14 common, everyday products using the system usability scale sus. Sus is a practical and reliable tool for measuring perceived ease of use, and it can be used across a broad range of digital products and services to help ux practitioners determine if there. I think that i would like to use this system frequently.
These survey questions are used as a quantitative method to evaluate and get actionable insights on the usability of a wide variety of new systems which may be either software or hardware. Mar 07, 2019 cara menggunakan system usability scale sus selanjutnya, kamu bisa menuliskan data hasil dari responden di excel atau aplikasi lain. It consists of a 10 item questionnaire with 5 optio. The system usability scale brooke, 1996 is a widely used, standardized 10item questionnaire to measure user satisfaction. Physicians score ehrs an f on usability, study finds.
The sus is a free technology agnostic survey with a tenitem, fivepoint likert scale, providing a. How to measure product usability with the system usability. The system usability scale, or sus, was created in 1986 by john brooke as a quick and dirty way to measure the usability of products usability. It is often assumed that a likert scale is simply one based on forced. Nov 19, 2018 system usability scale sus contains 10 questions where participants are given 15 scale to fill, according to how they agree with every statement regarding product or feature on the test. Measuring usability with system usability scale sus.
The system usability scale sus has become particularly popular because it is reliable with small numbers of participants tullis and stetson, 2004 and is relatively short 10 rating scales. Quick usability measurements of applications, websites, and services. Cara menggunakan system usability scale sus pada evaluasi. I think that i would like to use this website frequently. The system usability scale sus a reliable, lowcost usability scale that can be used for global assessments of systems usability. The system usability scale sus, created by john brooke in 1986, offers a quick and effective way to evaluate the usability of your products and designs.
The system usability scale sus is a standardized metric for measuring the usability of a website or other interactive system. System usability scale measurement tool quick usability. Originally developed by john brooke in 1986, over the last 31 years its become an indispensable method to quickly and accurately determine how a sites user experience compares to industry standards. Note that scores for individual items are not meaningful on their own brooke, 1996, p. Usability geek is a blog that provides practical and useful insights into topics like usability, user experience ux, human computer interaction hci, information architecture ia and related fields. System usability scale sus contains 10 questions where participants are given 15 scale to fill, according to how they agree with every statement regarding product or feature on the test. In systems engineering, the system usability scale sus is a simple, tenitem attitude likert scale giving a global view of subjective assessments of usability. System usability scale online with analytics usabilitest. As an example, to obtain a single numerical result for a questionnairebased metric, we might use the average of scores on questions 1, 2, 5, and 8 as averaged.
In spite of its age, over the years it turned out to be quick but not at all dirty. The system usability scale sus is undoubtedly the most frequently used questionnaire to measure usability. Sample size in the application of system usability scale to. Rather more than 25 years ago, as part of a usability engineering program, i developed a questionnairethe system usability scale susthat could be used to take a quick measurement of how people perceived the usability of computer systems on which they were working. System usability scale sus is a questionnaire that is used to evaluate the usability of products and services.
Contoh rekap datanya seperti pada tabel dibawah ini. System usability scale sus plus what is sus and how it can help you improve usability of your product. Op if youre using acronyms in questions you shouldnt assume everyone knows what you are referring to. This questionnaire is used as a quantitative method to dwell upon the global view on the subjective assessment of usability. Because of its popularity, some benchmark data providing sus scores from a wide range of studies are available for comparison purposes.
The participants scores for each question are converted to a new number, added together and then multiplied by 2. In the study, ehrs earned an average score of 45 on the system usability scale, a standard metric used to measure technology usability on a. Jun 05, 2015 usability data on home health care devices were collected in the field remotely, without direct usability testing. Standard usability score questions apache openoffice wiki. It has been used extensively by various industries to test numerous systems and applications, including hardware, software, mobile devices, websites and applications usability.
Computer system usability questionnaire csuq, developed by james lewis lewis, 1995, 2002 at ibm, is well regarded and available in the public domain. Citeseerx the system usability scale and nonnative english. In ux, sus is always used in an online survey or after each usability testing session for users to fill in if the year 1986 crosses your mind, yes you are right to be curious. System usability scale sus a key tool in that usability metric toolbox is the system usability scale. For german users, a group of sap usability professionals made a translation available in 20 which we proudly repost in this community. Read more about us become an author at usabilitygeek. When a sus is used, participants are asked to score the following 10 items with one of five responses that range from strongly agree to strongly disagree.
Usability ratings for everyday products measured with the. This article serves as an introduction to the symposium. Jan 06, 2015 the system usability scale sus is a 10item questionnaire that was published by john brooke in 1996 as a quick and dirty usability scale. To test the usability of the three apps we used the system usability scale sus see table 2. An overview of the system usability scale in library website.
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