Generated by All in One SEO v5.0.0.1, this is an llms.txt file, used by LLMs to index the site. # Blucadò Designing for human efficiency, happiness, and ethicality ## Sitemaps - [XML Sitemap](https://blucado.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [Self-Assessment Manikin (SAM): A UX Practitioner's Guide](https://blucado.com/self-assessment-manikin-sam-a-ux-practitioners-guide/) - SAM is a valid picture-based measurement of perceived emotion. Emotion is measured in three dimensions (Pleasure, Arousal, Dominance), Dominance isn't needed. - [The User Experience Questionnaire (UEQ): A Practical Semantic Differential](https://blucado.com/the-user-experience-questionnaire-ueq-a-practical-semantic-differential/) - The UEQ is a promising UX questionnaire that measures product Attractiveness, and Pragmatic and Hedonic Quality broken down to five-subscales. - [The SUPR-Q: Assessing Website User Experience and Its Aspects](https://blucado.com/the-supr-q-assessing-website-user-experience-and-its-aspects/) - SUPR-Q measures a website’s UX broken down into 4 aspects: Usability, Trust, Loyalty, and Appearance. It uses 10 questions and has a good factor structure. - [Understanding the UMUX: A guide to the short but accurate questionnaire](https://blucado.com/understanding-the-umux-a-guide-to-the-short-but-accurate-questionnaire/) - The UMUX is a short, 4 items questionnaire,a valid and reliable way of measuring perceived usability. A dministered in-the-wild or on user testings. - [UMUX-Lite: A detailed insight on the UMUX's kid](https://blucado.com/umux-lite-a-detailed-insight-on-the-umuxs-kid/) - TL;DR: The UMUX-Lite is a short 2-items questionnaire that incorporates the TAM. It has good psychometric properties and can be correlated with the System Usability Scale. The UMUX-Lite is really a direct descendant of UMUX, it assumes that user acceptance of a new technology is based on its perceived usefulness (Item 2 of the UMUX) - [System Usability Scale 101 — An extensive insight in quantitative usability](https://blucado.com/system-usability-scale-101-an-extensive-insight-in-quantitative-usability/) - SUS uses 10 questions, from strongly disagree to strongly agree, to measure perceived usability. It is a valid and reliable measure of usability. - [When to use loading indicators (and which)](https://blucado.com/when-to-use-loading-indicators-and-which/) - TL;DR: Use a looped animation for waiting times between 2000ms and 10000ms. A progressbar is best to be used for waiting times from 10000ms to 30000ms. When the expected waiting time is more than 30000ms (half a minute) show a progress bar and a time-to-complete estimation, to inform the visitor when to come back. Looped - [Promo codes on checkout pages: Pros and cons](https://blucado.com/promo-codes-on-checkout-pages-pros-and-cons/) - TL;DR: Promo codes help visitors save money and increase sales for people already interested. Adding a promotional code to a design increases the likelihood of process abandonment, as people may wander off to another website in search of the code. Visitors that have a code could be more satisfied with their purchase, while those who - [Size guidelines for text legibility](https://blucado.com/size-guidelines-for-text-legibility/) - TL;DR: For creating a legible text use font size of 18 pixels or larger, with line spacing of at least 120% —with larger line spacings being more likeable. Adding at least some margin around the text, makes it more preferable. Deciding which font size to use can be an endeavour. Whether deciding for a blog - [Defining User-Centred Design](https://blucado.com/defining-user-centred-design/) - User-centred design, user-centred approach, user-driven development, user-centric organisation, are all trying to describe the same phenomenon. An entity which performs design for a product, with high-priority consideration and constant input of the person who will use it. Furthermore, we see everyday more and more organisations converting themselves to being user-centric. So the question appears, what - [Presenting quantitative usability test results](https://blucado.com/presenting-quantitative-usability-test-results/) - Setting up the test It probably doesn’t come as a surprise, for presenting quantitative test results we need to define and set up the actual test. There are a ton of ways to approach gathering usability results. A way to gather quantitative data is questionnaires. Measuring usability quantitatively Usability questionnaires have gathered the attention of - [The positive SUS: as good as the original](https://blucado.com/the-positive-sus-as-good-as-the-original/) - The positive SUS is as good at measuring perceived usability as the original System Usability Scale. It could help in studies in which cognitive load is a concern. - [Are usability measurements reliable for all kinds of systems?](https://blucado.com/are-usability-measurements-reliable-for-all-kinds-of-systems/) - A recent study found that the system’s feedback influences the usability ratings. Research in other domains is advised. ## Pages - [Blucadò](https://blucado.com/) - We provide research, meta-analysis, and thoughts on HCI to optimise visitor's experience of any application. Design for human efficiency. - [SUPR-Q Calculator](https://blucado.com/supr-q-calculator/) - A web-based calculator calculates the score, subscales, and other statistics of the SUPR-Q, paste your data and calculate instantly. - [About Interaction Experience (IX) Calculator](https://blucado.com/interaction-experience-ix-calculator/) - IX Calculator by Blucadò offers a powerful, web-based alternative to Excel or SPSS for analysing data from UX and usability questionnaires - [IX Questionnaires Index](https://blucado.com/ix-questionnaires-index/) - Index to the multiple standardised IX questionnaires that have been proposed in the literature, includes the most prominent and interesting instruments. - [Calculators Beta](https://blucado.com/calculators/) - Performing quantitative usability testing can be quite labor intensive, especially if you want to calculate more complicated statistical metrics. That's why we have created a list of calculators to support the most common usability metrics and statistical analysis. We are giving them for free, no strings attached. We will always list all relevant research and - [UMUX-Lite Calculator](https://blucado.com/umux-lite-calculator/) - Calculate the UMUX-Lite with our web-based tool. No Excel or SPSS required, just paste your data and get instant results. - [UMUX Calculator Beta](https://blucado.com/umux-calculator/) - Enhance your understanding of user experience by utilizing our simple and intuitive calculator for the Usability Metric for User Experience (UMUX). Each row corresponds to a single participant and each column to the score the participant gave, it supports up to 150. The UMUX was originally developed by Kraig Finstad. (You can paste directly from - [Positive SUS Calculator Beta](https://blucado.com/positive-sus-calculator/) - Calculate the mean Positive SUS from a set of replies. Each row corresponds to a single participant, and each column to the score that the participant gave. The all-positive version of SUS was introduced by Jeff Sauro and James R. Lewis. This is the calculator for the positive SUS, for calculating the original SUS click - [SUS Calculator Beta](https://blucado.com/sus-calculator/) - Easily calculate the mean System Usability Score (SUS) from a set of replies. Each row corresponds to a single participant, each column to the score that participant gave. The result is calculated based on the original publication by Brooke, J. (1996). SUS: A ‘quick and dirty’ usability scale, graded 1 = Strongly disagree, 5 = - [Privacy Policy](https://blucado.com/privacy-policy/) - Who we are Our website address is: https://blucado.com. Comments When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymized string created from your email address (also called a hash) may be provided - [About Blucadò — Counter business objectives](https://blucado.com/about-blucado-counter-business-objectives/) - Blucadò is a virtual initiative aiming at improving user experience in the web. Our vision is that a website’s visitor should be treated as humanly as possible; prioritising friendliness and eliminating business objectives. We crave a web that would treat an online visitor as an in-store visitor. To aid with that, we publish research, meta-analysis, and thoughts ## Categories - [UX Guidelines](https://blucado.com/category/ux-guidelines/) - Topics and meta-analysis that regard user experience guidelines. - [Quantitative Usability](https://blucado.com/category/quantitatice_usability/) - We have compiled a collection of informative articles covering a range of topics related to usability testing, user-centered design, and more, with a focus on quantitative data and analysis. Each article is centering around a concept of usability, describing it from a quantitative data and analysis approach. A list of resources for anyone involved in creating digital products and services with valuable insights and practical tips to enhance the user experience. - [IX Questionnaires](https://blucado.com/category/quantitatice_usability/ix-questionnaires/) - Questionnaires measuring Usability - [Expert’s summaries](https://blucado.com/category/experts-summaries/) - Summaries of state of the art papers in 1000 words or less. All summaries are created by our usability experts. - [UX Questionnaires](https://blucado.com/category/quantitatice_usability/ux-questionnaires/) - Questionnaires measuring overall User Experience ## Tags - [user experience guidelines](https://blucado.com/tag/user-experience-guidelines/) - [loading indicators](https://blucado.com/tag/loading-indicators/) - [UXTools](https://blucado.com/tag/uxtools/)