Avaliação da percepção do idoso sobre a usabilidade dos sistemas de abertura de embalagens alimentícias.

Abstract

This research had as main objective evaluate perception about how the elderlies has usability to use the packaging opening foodstuffs systems. Was used methodology based on experimental procedures and was characterized for having objective‟s exploratory. The survey data was carried out in two phases. The first consisted of researching some systems for opening food packages on the market and after selecting three packages (vinegar, crackers and peas/corn) do Test about the Usability. In phase two, some elderlies were selected; application of first Questionnaire (Usability Perceived), which aimed investigate elderly's realize the product without handling it, and the Usability Test with the application of second Questionnaire (System Usability Scale -SUS), which aimed to evaluate measures of effectiveness, efficiency and satisfaction. Finally the last step was the third questionnaire application, which will assess if the packages systems selected was with the parameters requested in seven's principles of Design Universal. The results for Perceived Usability denote that 88.88% of elderly thought they would be able to open the packages with their hands, easily, and it didn't happen. For all usability's measures as such: effectiveness, efficiency and satisfaction, women was more able to do then men, being the package with pea / corn (Tetra Pak) which presented the biggest usability problems , not satisfying more than 90% of elderlies. Consequently therefore, the third Questionnaire presented that packaging pea/corn opening systems were not compatible with five of the seven principles Design Universal with an efficacy rate by the seniors group below 30% average. The investigation revealed that the packaging opening system biscuit (easily opens tape) was the most widely accepted among the elderlies, with an average satisfaction rate of 77.5%, in addition highlighting the predominance of women with the best results in completing tasks, performance and satisfaction. The research concluded that in order to understand the user's perception in the process of interaction with packaging, usability tests are essential.