Conference PaperPDF Available

Mesurer la formation de la première impression d'une interface à l'aide du test des 5 secondes

Abstract and Figures

Cette étude se propose de mesurer la validité scientifique d'une méthode souvent utilisée, mais peu formalisée en évaluation ergonomique d'une Interface Homme-Machine : le test des 5 secondes. Ce test consiste à présenter à un utilisateur, pendant exactement 5 secondes, une page fixe (page web, écran de logiciel) qu'il doit explorer visuellement. Après 5 secondes, la page disparaît et sa première impression est généralement recueillie à l'aide de quelques questions ouvertes. Afin de mesurer la validité de la méthode, un protocole expérimental a été mis en place afin de comparer les éléments qui sont les plus retenus lors d'un affichage pendant 5 secondes ou pendant une durée illimitée. L'hypothèse qui est posée est que l'utilisateur portera tout d'abord son attention sur les éléments propres à la qualité non-instrumentale de l'interface au cours des premiers instants de l'interaction ; puis au delà de 5 secondes, ce sont les qualités instrumentales qui seront mieux perçues. Les résultats obtenus valident en partie cette hypothèse, et montrent selon nous tout l'intérêt du test des 5 secondes que la recherche doit poursuivre de valider. MOTS-CLÉS Test des 5 secondes, utilisabilité, qualité perçue, expérience utilisateur, méthode d'évaluation d'interface.
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!
Eléments
perçus
d'un
système
Attention portée sur
les qualités non-
instrumentales
(esthétisme, attractivité)
Formation de la
première impression
Rejet ou
d'acceptation du
système
Inférences sur les
qualités
instrumentales
Attention portée sur
les qualités
instrumentales
(utilité, utilisabilité)
Chronologie temporelle
Premiers instants
de l'interaction
Au delà de
5 secondes
Biais de
conrmation
Légende :
liens explorés dans
cette étude
liens théoriques
!
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... Moreover, fewer resources are needed to administer the questionnaires and collect the data since no effort should be invested in designing them, as the set of questions is invariable, and the experience is reported by themselves [3]. Finally, the questionnaires have been statistically validated, so they are considered reliable and valid for measuring UX [4]. ...
Chapter
Standardized questionnaires are widely used instruments to evaluate UX and their capture mechanism has been implemented in written form, either on paper or in digital format. This study aims to determine if the UX evaluations obtained in the standardized UEQ questionnaire (User Experience Questionnaire) are equivalent if the response capture mechanism is implemented using the traditional written form (digitally) or if a conversational voice interface is used. Having a UX evaluation questionnaire whose capture mechanism is implemented by voice could provide an alternative to collect user responses, preserving the advantages present in standardized questionnaires (quantitative results, statistically validated, self-reported by users) and adding the ease of use and growing adoption of conversational voice interfaces. The results of the case study described in this paper show that, with an adequate number of participants, there are no significant differences in the results of the six scales that make up UEQ when using either of the two response capture mechanisms.
... is makes them inexpensive and easy to use, since they are selfapplied by the user based on the perceived or anticipated experience of using a product or service, and for this reason, its use is extended. In addition, they are considered reliable and valid to measure UX [10]. e three most recognized standardized questionnaires for UX evaluation are AttrakDiff, UEQ, and meCUE as it stated in studies such as those presented by Lallemand et al. [9,11], Baumgartner et al. [12], Forster et al. [13], and Klammer and van den Anker [14]. ...
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Background. Standardized questionnaires are well-known, reliable, and inexpensive instruments to evaluate user experience (UX). Although the structure, content, and application procedure of the three most recognized questionnaires (AttrakDiff, UEQ, and meCUE) are known, there is no systematic literature review (SLR) that classifies how these questionnaires have been used in primary studies reported academically. is SLR seeks to answer five research questions (RQs), starting with identifying the uses of each questionnaire over the years and by geographic region (RQ1) and the median number of participants per study (how many participants is considered enough when evaluating UX?) (RQ2). is work also aims to establish whether these questionnaires are combined with other evaluation instruments and with which complementary instruments are they used more frequently (RQ3). In addition, this review intends to determine how the three questionnaires have been applied in the fields of ubiquitous computing and ambient intelligence (RQ4) and also in studies that incorporate nontraditional interfaces, such as haptic, gesture, or speech interfaces, to name a few (RQ5). Methods. A systematic literature review was conducted starting from 946 studies retrieved from four digital databases. e main inclusion criteria being the study describes a primary study reported academically, where the standardized questionnaire is used as a UX evaluation instrument in its original and complete form. In the first phase, 189 studies were discarded by screening the title, abstract, and keyword list. In the second phase, 757 studies were full-text reviewed, and 209 were discarded due to the inclusion/exclusion criteria. e 548 resulting studies were analyzed in detail. Results. AttrakDiff is the questionnaire that counts the most uses since 2006, when the first studies appeared. However, since 2017, UEQ has far surpassed AttrakDiff in uses per year. e contribution of meCUE is still minimal. Europe is the region with the most extended use, followed by Asia. Within Europe, Germany greatly exceeds the rest of countries (RQ1). e median number of participants per study is 20, considering the aggregated data from the three questionnaires. However, this median rises to 30 participants in journal studies while it stays in 20 in conference studies (RQ2). Almost 4 in 10 studies apply the questionnaire as the only evaluation instrument. e remaining studies used between one and five complementary instruments, among which the System Usability Scale (SUS) stands out (RQ3). About 1 in 4 studies analyzed belong to ubiquitous computing and ambient intelligence fields, in which UEQ increases the percentage of uses when compared to its general percentage, particularly in topics such as IoT and wearable interfaces. However, AttrakDiff remains the predominant questionnaire for studies in smart cities and homes and in-vehicle information systems (RQ4). Around 1 in 3 studies include nontraditional interfaces, being virtual reality and gesture interfaces the most numerous. Percentages of UEQ and meCUE uses in these studies are higher than their respective global percentages, particularly in studies using virtual reality and eye tracking interfaces. AttrakDiff maintains its overall percentage in studies with tangible and gesture interfaces and exceeds it in studies with nontraditional visual interfaces, such as displays in windshields or motorcycle helmets (RQ5).
... Standardized questionnaires are economical and easy to use since they are self-applied by the user based on the perceived experience after using a product or service, and for this reason, its use is extended. In addition, they are considered reliable and valid to measure the User Experience [14]. ...
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Full-text available
Standardized questionnaires are one of the methods used to evaluate User Experience (UX). Standardized questionnaires are composed of an invariable group of questions that users answer themselves after using a product or system. They are considered reliable and economical to apply. The standardized questionnaires most recognized for UX evaluation are AttrakDiff, UEQ, and meCUE. Although the structure, format, and content of each of the questionnaires are known in detail, there is no systematic literature review (SLR) that categorizes the uses of these questionnaires in primary studies. This SLR presents the eligibility protocol and the results obtained by reviewing 946 papers from four digital databases, of which 553 primary studies were analyzed in detail. Different characteristics of use were obtained, such as which questionnaire is used more extensively, in which geographical context, and the size of the sample used in each study, among others.
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Thesis
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