I think that i would need the support of a technical person to be able to use this system. Computer system usability questionnaire csuq, developed by james lewis lewis, 1995, 2002 at ibm, is well regarded and available in the public domain. The system usability scale sus was introduced by british software engineer john brooke in 1986. Measuring usability with system usability scale sus. System usability scale survey template sample survey. Administering sus to users of an application can provide an easy and valid measure of perceived usability.
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. The participants scores for each question are converted to a new number, added together and then multiplied by 2. Ill embed a link in the question for context for those unfamiliar with the term. How to measure product usability with the system usability. 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 ryte wiki the digital marketing wiki. It is often assumed that a likert scale is simply one based on forced. Sus the system usability scale in response to these requirements, a simple usability scale was developed. System usability scale sus is a simple and standard measure of usability. Jun 05, 2015 usability data on home health care devices were collected in the field remotely, without direct usability testing.
While its original term system has fallen somewhat out of favor, its usage has notwith thousands of citations in the literature. This questionnaire is used as a quantitative method to dwell upon the global view on the subjective assessment of usability. 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. Quick usability measurements of applications, websites, and services. To meet the timing needs for product development, usability testing needs to be performed in a quick, cost effective manner. Software usability measurement inventory sumi 2 is a rigorously tested and proven method of measuring software quality from the end users point of view. Standard usability score questions apache openoffice wiki. System usability scale an overview sciencedirect topics. Physicians score ehrs an f on usability, study finds. Op if youre using acronyms in questions you shouldnt assume everyone knows what you are referring to. It was found that a significant proportion of nonnative english speakers failed to understand the word cumbersome in item 8 of the sus that is, i found the system to be very. I think that i would like to use this website frequently. The system usability scale sus is a questionnaire which can be used to help evaluate the usability of a project.
The system usability scale sus was administered verbally to native english and nonnative english speakers for several internally deployed applications. Contoh rekap datanya seperti pada tabel dibawah ini. The goal of this symposium is to discuss the validity of the sus in usability tests and beyond. I think that i would like to use this system frequently. 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. The usability scale sus is a standardized set of survey questions that allows us to benchmark our application against other offerings. System usability scale online with analytics usabilitest. 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. 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. The system usability scale sus is the most widely used standardized questionnaire for the assessment of perceived usability. The study employed two novel applications of the 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. To test the usability of the three apps we used the system usability scale sus see table 2. This article serves as an introduction to the symposium.
More than 1,000 users were queried about the usability of these products using an online survey methodology. In spite of its age, over the years it turned out to be quick but not at all dirty. For each of the following statements, mark one box that best describes your reactions to the website today. Jan 26, 2015 the system usability scale is an attempt to solve this problem. In systems engineering, the system usability scale sus is a simple, tenitem attitude likert scale giving a global view of subjective assessments of usability. Brooke, 1996 is an instrument commonly utilized in usability testing of commercial products. Introduction the sus system usability scale yields a single number representing a composite measure of the overall usability of the system being studied. The system usability scale brooke, 1996 is a widely used, standardized 10item questionnaire to measure user satisfaction. 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. 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.
Read more about us become an author at usabilitygeek. Note that scores for individual items are not meaningful on their own brooke, 1996, p. The system usability scale sus a reliable, lowcost usability scale that can be used for global assessments of systems usability. However, for the aspects that are unique to mobile apps, these questionnaires cannot provide the desired unique information in mobile apps. 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. Sample size in the application of system usability scale to. Apr 11, 2019 frequently used usability questionnaires are the system usability scale sus and poststudy system usability questionnaire pssuq,14. This article characterizes the usability of 14 common, everyday products using the system usability scale sus.
It was developed by john brooke at digital equipment corporation in the uk in 1986 as a tool to be used in usability engineering of electronic office systems. System usability scale sus plus what is sus and how it can help you improve usability of your product. 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 sus is a free technology agnostic survey with a tenitem, fivepoint likert scale, providing a. System usability scale sus is a questionnaire that is used to evaluate the usability of products and services.
It consists of a 10 item questionnaire with 5 optio. 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. Mar 07, 2019 cara menggunakan system usability scale sus selanjutnya, kamu bisa menuliskan data hasil dari responden di excel atau aplikasi lain. The sus is a 10 item questionnaire with 5 response options. Because of its popularity, some benchmark data providing sus scores from a wide range of studies are available for comparison purposes. 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.
Usability ratings for everyday products measured with the. The system usability scale sus is undoubtedly the most frequently used questionnaire to measure usability. Hence the required sample size of participants for a usability study is one of the critical factors. 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. 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. Cara menggunakan system usability scale sus pada evaluasi. Interpreting the scores usually involves the following process.
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. 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. Brooke himself describes sus as a quick and dirty tool for assessing the usability of electronic office systems. 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. For german users, a group of sap usability professionals made a translation available in 20 which we proudly repost in this community. 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. Measuring and interpreting system usability scale sus. Usability questionnaire an overview sciencedirect topics. 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. 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. Nov 07, 2017 the system usability scale sus is the most widely used questionnaire for measuring the perception of usability. It has been used extensively by various industries to test numerous systems and applications, including hardware, software, mobile devices, websites and applications usability.
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. Citeseerx the system usability scale and nonnative english. Testing, usability evaluation, user research, usercentered design process. The system usability scale sus is a standardized metric for measuring the usability of a website or other interactive system. The system usability scale sample survey template consists of only 10 questions, which are answered using a likert scale. System usability scale sus a key tool in that usability metric toolbox is the system usability scale. The system usability scale sus is a simple, tenitem scale giving a global view of subjective assessments of usability.
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