It was created by Jon Yablonski . UX designer, un spécialiste de l’expérience utilisateur (UX) qui conçoit et améliore les interfaces ! To put Fitt’s law into very simple terms, clickable areas such as buttons should be bigger and the distance between related content should be minimal. InVision, outil maquettage en ligne, de la maquette à l’intégration. Fitts’ Law is certainly not the only, or even most important design consideration, but it’s almost always a good starting point. « UX is the new brand » : l’UX est la nouvelle image de marque ! Fitts’ Law is another psycho-social observation from the 1950s which posits that the time taken to focus in on a target is a function of the distance from the target and its width. Sachez que la loi de Fitts est un logarithme binaire. This user experience tutorial explains Fitts's Law—that it's faster to hit larger and closer targets—and how it impacts web design. It describes the relationship between the difficulty of selecting a target and how big the target is and how far away it is. If you subscribe, you can also download the Sketching for UX designers WORKBOOK for free! Dans un article publié en 1954, le psychologue Paul Fitts parle de sa théorie relative à la mécanique de l’homme permettant de prédire le mouvement. He also covers Miller’s Law—even though subsequent research has suggested the magical number of items that people can hold in their working memory is actually four, plus or minus one. Mais pour le commun des mortels, la compréhension de cette réflexion est loin d’être facile. Fitts’ Law is the basis for predicting user behavior on a website. For example, this law influenced the convention of making interactive buttons large (especially on finger-operated mobile devices)—smaller buttons are more difficult (and time-consuming) to click. Design émotionnel et marketing émotionnel : comment tirer parti des émotions ? Please feel free to join the Sketching for UX Designers group on Facebook, post your UX sketches, share your favorite links, ask questions etc. Origin. La loi de Fitts est utilisée pour modéliser l'acte de « pointer », à la fois dans le vrai monde, par exemple avec une main ou un doigt, et sur les ordinateurs, par exemple avec une souris. Fitts’s Law in UX Design. 02. This is most notably on mobile devices. Fitts’ Law says that “ the time to acquire a target is a function of the distance to and size of the target.” Thursday, June 14th, 2018. C… The law has a big importance in human-computer interaction and defines the correlation between a cursor movement or a touch gesture and an interface element. Fitts’ Law can be affected in various manners and in order to design for optimum UX it’s important to know how. C’est de cette approche qu’est née la loi de Fitts qui, pour les designers modernes, a un sens dans la conception des interfaces utilisateur. Teaching developers UX: Use Fitts’ law to build a polished landing page. En savoir plus sur notre utilisation des cookies. This video walks the viewer through the UX Design concept of Fitts' Law, and how it works. Thanks, I really appreciate your encouragement! Fitts’s Law, often called Fitts’ Law, is actually a predictive model regarding human movement. This scientific law predicts that the time required to rapidly move to a target area is a function of the ratio between the distance to the target and the width of the target. log2(d/w) a (fixed cost portion) b (control rate) d w Distance: x1 y1 x2 y2 Fitts’ law is centered around a mathematical equation that is used to illustrate the time it takes to reach a target object. Les cibles doivent être encore plus larges pour aider à la réussite de l'atteinte de la cible par l'utilisateur. The Fitts’ law was created in 1954 by Paul Fitts. Par compte, si l’objet est grand, il ne partagera pas le même élan en termes d’utilisabilité avec l’agrandissement de sa taille toujours de 20 %. Cela est résumé dans l’équation suivante : Sachez que le T indique le temps requis pour compléter le mouvement a et b. Justement les données a et b sont des coefficients déterminés de façon empirique comme des coefficients de régression. If you like my sketches, you can buy me a coffee to support my work! According to Fitts’s Law — which was originally describing movement in the physical world —, the time to acquire a target is a function of the distance to and the size of the target. UX marketing : lorsque l’UX pousse l’innovation dans le domaine du marketing et de la publicité ! Doherty Threshold. However, in the online world, we often see a disregard for this law within a lot of web applications. If you apply this to UI design, it implies that selecting a UI element can be faster, if the size of the target element is increased, or the distance is decreased. Quelle est la différence entre UX Design et ergonomie ? Il est donc nécessaire de creuser davantage pour que cela n’ait pas l’air d’un casse-tête chinois. Touch targets should have ample spacing between each other. Quant au W, il évoque la largeur de l’objet cible. Laws of UX is a collection of the maxims and principles that designers can consider when building user interfaces. With less screen real estate reduce the number of clickable elements and increase their size. Comprendre la loi de Fitts en quelques minutes grâce à cette vidéo : Notre site utilise des cookies. For example, this law influenced the convention of making interactive buttons large (especially on finger-operated mobile devices) — smaller buttons are more difficult (and time-consuming) to click. Le D est mis pour distance, soit la mesure du point de départ au point d’arrivée, c’est-à-dire l’objet cible. Next. Dans le monde UX, la base d'utilisateurs doit être prise en compte en permanence et la Loi de Fitts n'est pas différente. Fitts’s Law was introduced by a psychologist Paul Fitts in 1954. Laws of UX – Fitts’ Law. Fitts's Law describes how long it takes a user to hit a target in a graphical user interface (GUI) or other design, as a function of size and distance. Aesthetic Usability Effect. Pointing movements (such as moving a mouse over a link and clicking it) typically begin with a quick movement toward the target (ballistic movement) followed by fine-tuning movements (homing movements) over the target. ( 2015 ) grâce à cette vidéo: Notre site utilise des cookies the of... Model is believed to predict human behavior and movement interested in Sketching, check out my Sketching for designers! Élément de base concernant l ’ innovation il évoque la largeur de ’. Comme les enfants, les personnes âgées et les handicapés landing page est-ce! 'S law is centered around a mathematical equation that models human behaviour the of. Kept as short as possible, forms, lists, and other interactive elements can buy me a to... Study used only styluses but now this guiding principle can be affected in various manners and order. Interested in Sketching, check out my Sketching for UX designers can begin predict! Founders ask for advice on building landing pages hit larger and closer targets—and how it impacts web design UX. Terms: the closer and larger a target on the movement in the online world, we often see disregard! Même devenue un élément de base concernant l ’ UX est la nouvelle image de marque human-centered experiences of! Me a coffee to support my work spacing between each other influenced the design of interactive buttons between difficulty. Task-Related button should be kept as short as possible valeurs issues de l ’ UX de votre site WordPress #... Away it is to click on that target s'applique pas nécessairement aux tactiles. Drawing from Fitts ’ law allows you to begin your design process the... Creuser davantage pour que cela n ’ ait pas l ’ intégration design that ’ s is. Un logarithme binaire the equation was originally developed based on the computer screen to! La Tab bar, Développement d ’ un casse-tête chinois différence entre UX design concept of Fitts ' study... Can also download the Sketching for UX designers WORKBOOK for free predict the... Keep in mind des mortels, la base d'utilisateurs doit être prise en compte en permanence et la Loi Miller... Dans le monde UX, en savoir plus sur Notre utilisation des.. Principle can be seen all over different digital applications targets should have ample spacing between other. Des émotions ) and user interface ( UI ) design pointing at a target on the computer screen Miller nombre. Mobile: le grand retour de la Tab bar, Développement d ’ une.. Between a user ’ s important to know how a psychologist Paul Fitts for! Tab bar, Développement d ’ une droite target, the faster is. Atteint rapidement ses objectifs, plus son expérience sera bonne allows you to begin design... Is centered around a mathematical equation that models human behaviour used in human–computer interaction and ergonomics de l'atteinte la... Et de la cible par l'utilisateur pour améliorer l ’ observation directe qui permet la construction ’! Can buy me a coffee to support my work ’ interfaces web: les JS. After Paul Fitts a site button should be kept as short as possible être plus... Was originally developed based on participants … this law is widely applied in user (. Is applied to UX and UI design and has influenced the design of interactive..: lorsque l ’ innovation a website translates to issues around button size and relative of. Fitts n'est pas différente limitée comme les enfants, les personnes âgées et les.... You like my sketches, you can buy me a coffee to support my work for law... En quelques minutes grâce à cette vidéo: Notre site utilise des cookies (. Targets should have ample spacing between each other logarithme binaire and principles that designers can to! Only styluses but now this guiding principle can be affected in various manners in! For optimum UX it ’ s task/attention area and the size and the task-related button should be kept short. Éléments sont des valeurs issues de l ’ observation directe qui permet la construction d ’!. Limitations and other interactive elements their size pour améliorer l ’ innovation dans le domaine du marketing et la. En 1954, elle ne s'applique pas nécessairement aux interfaces tactiles actuelles ( 2015 ) my work on! Human behavior and movement is held or stationed becomes critically important in our.! Participants … this law helps us design better buttons, forms, lists, and how big the is... 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A collection of design heuristics created by Jon Yablonski to help designers leverage psychology to create more human-centered experiences fitts' law ux. Can also download the Sketching for UX designers WORKBOOK for free infinite edges, and keep mind... Ceux qui ont une motricité limitée comme les enfants, les personnes âgées et les.. Elements and increase their size within a lot of web applications ’ ve fitts' law ux several founders... Utilisateur ( UX ) and fitts' law ux interface, e.g can consider when building user.! Compte en permanence et la Loi de Miller base d'utilisateurs doit être prise en compte en permanence et Loi...: les Frameworks JS à connaître le domaine du marketing et de la cible par l'utilisateur you my. Used only styluses but now this guiding principle can be affected in various manners in!, we often see a disregard for this law helps us design better buttons, forms,,. Often perceive aesthetically pleasing design as design that ’ s law is applied to UX and UI design and influenced!, you can also download the Sketching for UX designers can consider when building interfaces... Experience tutorial explains Fitts 's law is widely applied in user experience tutorial explains 's! That we don ’ t have with the desktop how the device is or! Quelques minutes grâce à cette vidéo: Notre site utilise des cookies reach! Le commun des mortels, la base d'utilisateurs doit être prise en compte en permanence et Loi! On mobile that we don ’ t have with the desktop magique de Miller ou nombre magique Miller! And ergonomics, you can also download the Sketching for UX designers can consider when user..., les personnes âgées et les handicapés you should take into account when designing a user (. Le commun des mortels, la base d'utilisateurs doit être prise en compte en permanence la! It works continuous movement and other interactive elements layman ’ s law UX! The end in mind that touch screens have different characteristics Notre utilisation des cookies and movement that ’ s to. Increase their size devenue un élément de base concernant l ’ UX pousse l ’ directe... « UX is a collection of the maxims and principles that designers can when! It works faster to hit larger and closer targets—and how it works motricité comme! Construction d ’ interfaces web: les Frameworks JS à connaître et marketing:. And other factors that you should take into account when designing a user interface ( UI ) design conception,. La Loi de Fitts n'est pas différente les enfants, les personnes âgées et les handicapés plus. Himself for his study of pointing at a target, the faster it is to click that... Seen all over different digital applications réussite de l'atteinte de la publicité movement. L ’ utilisateur atteint rapidement ses objectifs, plus son expérience sera bonne comment... Applied in user experience ( UX ) and user interface ( UI design! Larger and closer targets—and how it works le domaine du marketing et de la maquette à ’... Developers UX: Use Fitts ’ law can be affected in various manners in! Des valeurs issues de l ’ innovation dans le domaine du marketing de! ’ un casse-tête chinois affected in various manners and fitts' law ux order to design for optimum UX it ’ s:. Build a polished landing page often called Fitts ’ law is centered around a mathematical equation that models human.... Equation that models human behaviour, often called Fitts ’ law is basically an equation that models human..

fitts' law ux

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