Recent usability studies of Nielsen Norman Group with touch phone users from US, UK, Australia, Netherlands, etc., revealed 38% average failure rate of mobile sites and 26% failure for mobile apps. It is twice as hard to understand content on small devices as it is on desktop screens. The problems faced by mobile users is [...]
How can one define and measure usefulness of a product? We discuss this topic in the paper “Measuring a product’s usefulness” to be presented at the ergonomics world congress IEA 2012. Paper is written in collaboration with Prof. Jean-Marc Robert (École Polytechnique of Montreal) and Tigran Atoyan, M.Sc. (University of Oxford). A product’s usefulness can be evaluated by [...]
Situation (Business and user experience objectives): Because of the growing trend of online insurance shopping, the brokerage insurance company Merlin wanted to get online presence and gain this market share along with the existing broker channels. The company did not want to upset their brokers and lose their business while implementing online presence. They hence [...]
Situation: Cognitive Group has been hired to look at back office operations of one of the world’s largest financial institutions for the fulfillment of commercial loans. When the client requests a new loan or loan increase, the bank needs to update all of the information regarding the client, the financial risk, and the securities, to prepare [...]
Apple products are intuitive and easy to use. They have proven that user experience is a primary quality. Quality made Apple the best brand in the world. However, there are still usability issues in Apple products. For instance, the multi-touch functionality is not consistently applied across all applications. It is also underused in many applications. [...]
En mai, le groupe cognitif a rencontré des pairs pour présenter les « incertitudes dans l’environnement dynamique complexe ». La présentation était en lien avec l’essai analytique fait par Hasmik Atoyan récemment accepté par JIPS (Journal d’Interaction Personne-Système). L’essai fut écrit en collaboration avec Dr. Jean-Marc Robert (École Polytechnique de Montréal) et Dr. Jean-Rémi Duquet (Lockheed Martin [...]
Sujet: Décision Illusion Cet entretien avec est à voit absolument (présenté à la conférence TED, publié en mai 2009) Les gens ont des illusions visuelles et cognitives (prise de décisions). Dans les illusions visuelles, on peu facilement démontrer les erreurs. Par exemple, on peu prendre des mesures pour vérifier si notre comparaison visuelle est juste. Les [...]
Situation The Quebec Worker Compensation Board (CSST) provides services to 3 million workers across the province of Quebec in Canada. The information technology department of the CSST was looking to improve the quality of their help desk. The Information Technology support service provides on-line technical support and maintains the CSST network infrastructure. There was indications [...]
When using a system, a tool, a software, I want to accomplish a goal, a task I expect the system to provide me the information and tools necessary for me to accomplish my task I want to be able to accomplish my task in the natural flown of my thinking: Search for information Look at [...]
Moody’s gave the best rating to PCAA in 2007. Desjardins lost 591 million because of PCAA in the last quarter of 2008. In 2009, Moody’s express warning on the Risk Management at Desjardins since they do not manage properly complex financial products such as the PCAA. It appears that overconfidence in Moody’s was one of [...]