However, surprisingly few studies have used sus to evaluate the perceived usability of learning management systems lmss. One of the most important things to look at in the hyperlinks to the full usability reports is the sus or system usability scale. The system usability scale sus was released into this world by john brooke in 1986. The system usability scale sus was invented by john brooke in 1986 and is a quick and dirty but trusted way to measure the perceived usability of your website or app. For each of the following statements, mark one box that best describes your reactions to the website today.
There are different usability factors, whichare expected to influence systems usability. The usability of electronic medical record systems. An empirical evaluation of the system usability scale. The system usability scale sample survey template consists of only 10 questions, which are answered using a likert scale.
It focuses on providing lightweight 10 questions subjective feedback from users. System usability scale sus originally created by john brooke dec in 1986, sus is one of the best known standardized usability rating scales. 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. System usability scale a case study paul olyslager. In response to these requirements, a simple usability scale was developed. Requirements can be provided in a broad variety of formats by business units, customers and subject matter experts. It can be used to rate the usability of any system. They found that it was possible to predict nps scores based on sus scores, which means the inverse is also true. The system usability scale sus provides a quick and dirty, reliable tool for measuring the usability.
While sus is frequently used today to measure the usability of websites, its usage is not limited to websites. The system usability scale sus is a wellresearched and widely used questionnaire for perceived usability evaluation. Pdf perceived usability evaluation of learning management. Usability ratings for everyday products measured with the system usability scale. The system usability scale sus was introduced by british software engineer john brooke in 1986. It is often assumed that a likert scale is simply one based on forced. In systems engineering, the system usability scale sus is a simple, tenitem attitude likert scale giving a global view of subjective assessments of usability. Sus is based on a likert scale questionnaire with standardized content that gives an overall usability and user satisfaction index ranging from 0 to 100. 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. The system usability scale, or sus, was created in 1986 by john brooke and has been used extensively by a variety of industries to test numerous applications and systems. This questionnaire is based on the system usability scale sus, which was developed by john brooke while working at digital. The article explains the direct correlation found between sus scores and net promoter scores nps. 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 sus usability body of knowledge.
The evaluation must be fulfilled in tandem with analyzing the usage metrics derived from interaction traces in a nonintrusive fashion. Ill embed a link in the question for context for those unfamiliar with the term. The system usability scale sus was originally created as a quick and dirty scale for administering after usability tests on systems like vt100 terminal greenscreen applications. Experimental results reveal that the system usability scale score is not a sufficient measure to express the true acceptance and satisfaction level of lecturers for using the elearning systems. In spite of its age, over the years it turned out to be quick but not at all dirty. An overview of the system usability scale in library website. It is a simple, tenitem likert scale with five response options for respondents. The system usability scale sus is a reliable tool for measuring the usability. One of the most widely used tools for assessing the perceived usability of a system or product is the system usability scale. Op if youre using acronyms in questions you shouldnt assume everyone knows what you are referring to. A sus score appeals to stakeholders because it is simple, reliable and costeffective.
Methodology system usability scale measurement tool. Medical practitioners usually encounter usability difficulties while using a health information system like other systems. This construct is a key to making systems easy to learn and easy to use. Sus is technology independent and has since been tested on hardware, consumer software, websites, cellphones, ivrs and even the yellowpages. Pdf what does the system usability scale sus measure. Brooke himself describes sus as a quick and dirty tool for assessing the usability of electronic office systems. John brooke i john brooke made sus freely available to a number of colleagues, with permission to pass it on to anybody else who might find it useful, and over the next few years occasionally heard of evaluations of systems where researchers and usability engineers had used it with some success. Comparing sus scores across different stages of a project shows how usability is changing. Usability factors assessment in health information system. System usability scale survey template by questionpro is a questionnaire that is used to evaluate the usability of a project. Research has demonstrated a need for adopting usability and human factors principles in the design of ehr systems. 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.
The system usability scale sus is a commonly used, freely distributed, and reliable questionnaire consisting of 10 items. Perceived usability evaluation of learning management. Pdf the system usability scale sus is widely used as a quick method for measuring usability. System usability scale online with analytics usabilitest. 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 the usability of a system, as defined by the iso standard iso 9241 part 11. In proceedings of the human factors society and ergonomics society annual meeting pp. Abs tra ct usability is a field of study to analyze or test the level of ease of use of software. Development of the telehealth usability questionnaire tuq. Jan 26, 2015 the system usability scale is an attempt to solve this problem.
It was created by john brooke while he was working at digital equipment corporation in 1986 in the u. The system usability scale, or sus, is a simple survey that provides a highlevel score for the usability of a product. For german users, a group of sap usability professionals made a translation available in 20 which we proudly repost in this community. The sus is a technology agnostic tool consisting of ten questions with five responses for each question ranging from strongly agree to strongly disagree. Its based on a 100point scale, and provides a global subjective evaluation of the users satisfaction with the system based on performance. About 20 years ago, john brooke published the concept of a system usability scale, a reliable, lowcost usability scale that can be used for global assessments of systems usability. The system usability scale sus is a tenitem rating scale for measuring perceived usability. Errors preventions, patient safety and privacy are. System usability scale sus is a simple and standard measure of usability. Systems usability is one of the critical attribute of any systems quality.
The system usability scale sus is a 10question questionnaire that offers a quick, costeffective yet accurate way to evaluate the usability of a website. The overall result is calculated by averaging the scores from the 7 points of the scale. Usability is the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use. System usability scale the system usability scale1 sus is a respected. To meet the timing needs for product development, usability testing needs to be performed in a quick, cost effective manner. 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. The system usability scale request pdf researchgate. With the plans for integrating biometrics into many areas of government and public life, the importance of usability research has increased. The following are illustrative examples of usability requirements. Exploring user satisfaction for elearning systems via. Pdf for almost 20 years, practitioners and researchers have been using the system usability scale sus as a quick and dirty method of. 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. An overview of the system usability scale in library. 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.
Examples of web authentication systems are passwords, federated identity systems e. Usability is the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use iso9241. The system usability scale was not created to measure usability of websites. It was developed at digital equipment corporation in the uk in 1986 as a tool in usability engineering of electronic office systems. Errors preventions, patient safety and privacy are vital usability factors and should not be. The system usability scale is not diagnostic and will not tell you what specific problems you face, but it will give you a red or green light to know how badly your usability needs work. 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. Page4 sus the system usability scale in response to these requirements, a simple usability scale was developed.
There are different usability factors, which are expected to influence systems usability. System usability scale sus a key tool in that usability metric toolbox is the system usability scale. Usability of web authentication systems refers to the efficiency and user acceptance of online authentication systems. An empirical analysis of banking systems in distress ppt. Testing, usability evaluation, user research, usercentered design process. It consists of a 10 item questionnaire with five response options for respondents. In order to reap the potential benefits of telehealth technologies, the delivery system has to be usable for both patients and clinicians. 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. Hence the required sample size of participants for a usability study is one of the critical factors. The system usability scale sus a is a wellresearched and widely used questionnaire for perceived usability evaluation.
If they were then presented with a long questionnaire, containing in excess of 25 questions it. The system usability scale sus is a simple, tenitem scale giving a global view of subjective assessments of usability. What is sus and how it can help you improve usability of your product. The sus, developed by brooke 1996, reflected a strong need in the usability community for a tool that could quickly and easily collect a users subjective rating of a products usability. The system usability scale sus is a 10item likert scale questionnaire that provides an ataglance look at the ease of use or lack thereof of websites, software, hardware, mobile devices, and other technological applications. Measuring and interpreting system usability scale sus. A retrospectivejus the journal of usability studies. The translation is based on a crowdsourcing project initiated by wolfgang reinhardt during his time at the university of paderborn. Pdf validation of the system usability scale sus researchgate. 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. It has been used extensively by various industries to test numerous systems and applications, including hardware, software, mobile devices, websites and applications usability. Perceived usability affects greatly students learning effectiveness and overall learning experience, and thus is an important requirement of educational software. As we began to study the usability of biometric technologies and applications we realized that our partners in the biometric community were unfamiliar with usability terminology and methodologies. Measuring usability with system usability scale sus.
System usability scale an overview sciencedirect topics. The system usability scale brooke, 1996 is a widely used, standardized 10item questionnaire to measure user satisfaction. 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. On the dimensionality of the system usability scale.
The system usability scale is a questionnaire of 10 statements, much like the nps net promoter score, but instead of measuring the loyalty of customers towards your brand, the sus measures the perception of usability of your tool, system or website. How to use the system usability scale sus to evaluate. Measuring usability with the system usability scale sus. It was originally created as a quick and dirty scale for administering after usability tests on systems like vt100 terminal greenscreen applications. The system usability scale sus is the most widely used standardized questionnaire for the assessment of perceived usability. However, surprisingly few studies have used sus to evaluate the perceived usability of learning management. Sample size in the application of system usability scale to.
In systems engineering, the system usability scale sus is a simple, tenitem attitude likert. Because of its popularity, some benchmark data providing sus scores from a wide range of studies are available for comparison purposes. System usability scale sus is a questionnaire that is used to evaluate the usability of products and services. Jim lewis wrote an article in 2012 for measuring usability. Usability represents an important yet often overlooked factor impacting the adoption and meaningful use of electronic health record ehr systems. Usability requirements are documented expectations and specifications designed to ensure that a product, service, process or environment is easy to use. I think that i would like to use this website frequently. The factor structure of the system usability scale pdf. The system usability scale sus was invented by john brooke who, in 1986, created this quick and dirty usability scale to evaluate practically any kind of system. 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 the system usability scale consists of only 10 questions. This toolkit would also provide objective yet practical means to assess whether the usability of ehrs support such primary care functions as proper diagnosis, identification of highrisk. System usability scale sus plus what is sus and how it can help you improve usability of your product. The system usability scale sus a reliable, lowcost usability scale that can be used for global assessments of systems usability. Revitalizing sus, the system usability scale jens oliver.
System usability scale survey template sample survey. System usability scale susthat could be used to take a quick measurement of how people. The sus has been tried and tested throughout almost 30 years of use, and has proven itself to be a dependable method of evaluating the usability of systems compared to industry. This article presents nearly 10 years worth of system usability scale sus data collected on numerous products in all phases of the development lifecycle. How to use the system usability scale sus to evaluate the. The system usability scale sus is a standardized metric for measuring the usability of a website or other interactive system. This questionnaire is used as a quantitative method to dwell upon the global view on the subjective assessment of usability. 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.
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