The Three-Step Test-Interview (TSTI) is an instrument for pretesting a self-completion questionnaire by observing actual instances of interaction between the instrument and respondents (the response process). Because this process mainly consists of cognitive processing (‘thinking’) and is...

Worldwide, open data initiatives aim at making information publicly available and transparent. Increasingly, local governments (LGs) are publishing financial statements in order to inform citizens, in their function as both service recipients and resource providers, about the LGs’ financial...

Augmented reality (AR) is widely acknowledged to be beneficial for services with exceptionally high requirements regarding knowledge and simultaneous tasks to be performed and are safety-critical. This study explores the user-centered requirements for an AR cognitive assistant in the operations...

Thinking Aloud Thinking Aloud is the most commonly used technique used to test users´ interaction with computers. The assumption is that Think Aloud gives access to what goes on in the users´ minds. However, interfaces are multi modal and play heavily on user´s visual perception. Reflecting...

Working with usability techniques, with focus on how a given technique enables data capture made us ask the question: What kind of information is it an HCI expert want from the user when conducting a usability test? We answer the question by discussing two techniques both relying on concurrent...

In dieser Studie gehe ich aus kommunikationswissenschaftlicher Perspektive der Frage nach, wie sich Vertrauen in Online-Bewertungen gestaltet. Um diese Frage zu beantworten, führe ich zunächst eine umfangreiche Literaturstudie zu den bisherigen empirischen Befunden zu Vertrauen in...

Women are less likely to correctly answer the “Big-3” financial literacy questions, and a substantial share of the gap reflects women’s lower confidence. In our experiment, women are more likely to choose “do not know” or refuse to answer financial literacy questions. If these options...

We explore intertemporal decision-making in later life by looking at temporal preference heterogeneity among older individuals. Using choice tasks responses from Poland collected as part of the Survey of Health, Ageing, and Retirement in Europe (SHARE), we elicit individual time preferences...