{"id":3446,"date":"2017-10-22T22:26:28","date_gmt":"2017-10-22T20:26:28","guid":{"rendered":"https:\/\/monodes.com\/predaelli\/?p=3446"},"modified":"2017-10-22T22:26:28","modified_gmt":"2017-10-22T20:26:28","slug":"usability","status":"publish","type":"post","link":"https:\/\/monodes.com\/predaelli\/2017\/10\/22\/usability\/","title":{"rendered":"Usability"},"content":{"rendered":"<table border=\"0\" width=\"760\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td valign=\"top\" bgcolor=\"#FfFFFF\" width=\"570\">\n<h1><a href=\"http:\/\/www.usabilitynet.org\/management\/b_what.htm\">What is usability?<\/a><\/h1>\n<blockquote>\n<h2><cite>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.<\/cite><\/h2>\n<\/blockquote>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><!--more--><!--nextpage--><\/p>\n<h1>What is usability?<\/h1>\n<p>Usability means making products and systems easier to use, and matching them more closely to user needs and requirements.<\/p>\n<p>The international standard, <a href=\"http:\/\/www.usabilitynet.org\/tools\/r_international.htm#9241-11\">ISO 9241-11<\/a>, provides guidance on usability and defines it as:<\/p>\n<p><cite>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.<\/cite><\/p>\n<p>Usability is about:<\/p>\n<ul>\n<li>Effectiveness &#8211; can users complete tasks, achieve goals with the product, i.e. do what they want to do?<\/li>\n<li>Efficiency &#8211; how much effort do users require to do this? (Often measured in time)<\/li>\n<li>Satisfaction \u2013 what do users think about the products ease of use?<\/li>\n<\/ul>\n<p>\u2026.which are affected by:<\/p>\n<ul>\n<li>The users &#8211; who is using the product? e.g. are they highly trained and experienced users, or novices?<\/li>\n<li>Their goals &#8211; what are the users trying to do with the product &#8211; does it support what they want to do with it?<\/li>\n<li>The usage situation (or &#8216;context of use&#8217;) &#8211; where and how is the product being used?<\/li>\n<\/ul>\n<p>Usability should not be confused with &#8216;functionality&#8217;, however, as this is purely concerned with the functions and features of the product and has no bearing on whether users are able to use them or not. Increased functionality does not mean improved usability!<\/p>\n<p>There are a series of <a href=\"http:\/\/www.usabilitynet.org\/tools\/r_international.htm\">international standards<\/a> for usability and user centred design.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"excerpt\">What is usability? 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. &nbsp; &nbsp;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/monodes.com\/predaelli\/2017\/10\/22\/usability\/\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"quote","meta":{"inline_featured_image":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-3446","post","type-post","status-publish","format-quote","hentry","category-senza-categoria","post_format-post-format-quote"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6daft-TA","jetpack-related-posts":[{"id":9097,"url":"https:\/\/monodes.com\/predaelli\/2022\/02\/11\/we-can-now-harvest-usable-lithium-from-seawater-ie\/","url_meta":{"origin":3446,"position":0},"title":"We Can Now Harvest Usable Lithium From Seawater | IE","author":"Paolo Redaelli","date":"2022-02-11","format":false,"excerpt":"Extracting concentrated lithium from seawater will only cost five dollars of electricity per kilogram! And the output material covers the cost. Source: We Can Now Harvest Usable Lithium From Seawater | IE","rel":"","context":"In &quot;Good news&quot;","block_context":{"text":"Good news","link":"https:\/\/monodes.com\/predaelli\/category\/good-news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2055,"url":"https:\/\/monodes.com\/predaelli\/2017\/01\/06\/exiting-the-ivory-tower\/","url_meta":{"origin":3446,"position":1},"title":"Exiting the ivory tower","author":"Paolo Redaelli","date":"2017-01-06","format":false,"excerpt":"From \"Web Development with Bootstrap 4 and Angular 2 - Second Edition\" In one moment of compilation, a TypeScript compiler can generate a declaration file which contains only signatures of the exported types. The resulting declaration file with the extension .d.ts along with a JavaScript library or module can be\u2026","rel":"","context":"In &quot;Eiffel&quot;","block_context":{"text":"Eiffel","link":"https:\/\/monodes.com\/predaelli\/category\/eiffel\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":12356,"url":"https:\/\/monodes.com\/predaelli\/2025\/01\/27\/12356\/","url_meta":{"origin":3446,"position":2},"title":"Accrescent","author":"Paolo Redaelli","date":"2025-01-27","format":"link","excerpt":"Accrescent A novel Android app store focused on security, privacy, and usability.","rel":"","context":"In &quot;Android&quot;","block_context":{"text":"Android","link":"https:\/\/monodes.com\/predaelli\/category\/smartphones\/android\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3417,"url":"https:\/\/monodes.com\/predaelli\/2017\/09\/29\/patternfly\/","url_meta":{"origin":3446,"position":3},"title":"PatternFly","author":"Paolo Redaelli","date":"2017-09-29","format":"link","excerpt":"PatternFly an open source web user interface framework promoting consistency and usability across IT applications through UX patterns and widgets","rel":"","context":"In &quot;HTML&quot;","block_context":{"text":"HTML","link":"https:\/\/monodes.com\/predaelli\/category\/html\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11563,"url":"https:\/\/monodes.com\/predaelli\/2024\/04\/03\/3-ways-to-delete-all-files-in-a-directory-except-one-or-few-files-with-extensions\/","url_meta":{"origin":3446,"position":4},"title":"3 Ways to Delete All Files in a Directory Except One or Few Files with Extensions","author":"Paolo Redaelli","date":"2024-04-03","format":"quote","excerpt":"The different extended pattern matching operators are listed below, where pattern-list is a list containing one or more filenames, separated using the | character: *(pattern-list) \u2013 matches zero or more occurrences of the specified patterns ?(pattern-list) \u2013 matches zero or one occurrence of the specified patterns +(pattern-list) \u2013 matches one\u2026","rel":"","context":"In &quot;Tricks&quot;","block_context":{"text":"Tricks","link":"https:\/\/monodes.com\/predaelli\/category\/documentations\/tricks\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11388,"url":"https:\/\/monodes.com\/predaelli\/2024\/03\/01\/rocket-simple-fast-type-safe-web-framework-for-rust\/","url_meta":{"origin":3446,"position":5},"title":"Rocket &#8211; Simple, Fast, Type-Safe Web Framework for Rust","author":"Paolo Redaelli","date":"2024-03-01","format":"link","excerpt":"Rocket - Simple, Fast, Type-Safe Web Framework for Rust A web framework for Rust that makes it simple to write fast,type-safe, secure web applications with incredible usability, productivity and performance.","rel":"","context":"In &quot;Rust&quot;","block_context":{"text":"Rust","link":"https:\/\/monodes.com\/predaelli\/category\/rust\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/posts\/3446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/comments?post=3446"}],"version-history":[{"count":0,"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/posts\/3446\/revisions"}],"wp:attachment":[{"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/media?parent=3446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/categories?post=3446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/monodes.com\/predaelli\/wp-json\/wp\/v2\/tags?post=3446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}