Sebbe Isaac Kurian

design sebbe isaac kurian sebbe user experience ux ux design user experience design user interface interaction design ui graphic design usability user research user interface design ui design art case study ux research user testing usability testing usability evaluation sketch concept illustration sketching graphics front-end web design photography storyboard visual storytelling design testing a-b testing preference testing product design indian railways app irctc mobile app affinity diagram contextual inquiry need finding user needs assessment user needs user experience research nielsen ten usability heuristics 10 usability heuristics usability heuristics heuristic evaluation idea design thinking innovation visualization visualisation ideation graphic novel educational comics learning education and training learning design instructional design comics children school k-12 education visualizer visualiser visual communication responsive html5 css concept design creative interaction marketing branding internet communication