Abstract-The development of smartphone technology allows people to do their daily activities in more efficient and effective ways through mobile applications. Therefore, the mobile apps industry has grown significantly in the last decade. To make the mobile apps industry develop further, knowledge on the elements needed in maximizing the user experience (UX) is necessary. The UX analysis in developing mobile apps has to be conducted in order to create an app that matches with user's preferences. This research focuses on one of the categories related to health, which is health-tracker apps. Based on the preliminary survey conducted, it was found that two of the most popular apps are the Google fit and Myfitnesspal. Thus, this research takes both apps as the objects of the research. The usability of the apps are then assessed by using AMOS-SEM. The results of the research is that Google fit had only one variable which is affect that influenced user's UX assessment while Myfitnesspal had two variables which are usability and affect that influenced it.
Abstract-Environmental design and quality has been known to have strong influence toward productivity and behavior. This research aims to discover the effect of Indoor Environmental Quality (IEQ) to human performance and discover the optimal combination of the IEQ aspects. This research also aims to examine human preference towards atmospheric cues to change their shopping behavior, in this case taking an example from airport shopping area. Combining both of these studies will draw a clear picture of the environmental design effect towards performance and behavior -which in this case is shopping behavior. Based on the research it's found that temperature of 23.5oC, lighting of 500 lux and blue room color is the optimum combination in working environment, and store with in-store visibility, cool colors on window display, floors, wall and ceiling, and bright lighting for airport hallway is the preferred option in shopping area.Index Terms-Choice-based conjoint, human performance, indoor environment quality, purchase intention.
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