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This thesis explores how gamification affects respondent engagement and data quality in online surveys. A between-subjects experiment with 203 participants compared a gamified survey featuring progress bars, rewards, feedback, and a storyline with a non-gamified version. The study was guided by the Technology Acceptance Model 2, Self-Determination Theory, and Flow Theory. Results showed that gamif
The aim of this study was to examine how Lithuanian newspapers described child abuse between the years 2016 and 2018. The study is based on 42 articles about child abuse from Lithuanian newspapers, which were later processed with qualitative content analyzis. The analyzis of the articles was based on two different theories; claims-making theory and social constructivism. The result of the study sh
Carbohydrates are found everywhere. They are the main component in the macromolecules glycosaminoglycans, chains of carbohydrates that make up our cartilage but also play important roles in cancer cell proliferation. Xylose is a carbohydrate which initiates the biosynthesis of these chains by acting as a substrate for the enzyme β4GalT7. Some of these GAG chains become toxic for certain cells. The
The balance of intestinal microbiota, which is present in health, can be affected by severe illness and antibiotics. Pathogenic bacteria, which are usually suppressed by the commensal flora, may multiply and can cause complicating secondary infections. Administration of probiotics can help to reduce the deleterious effects of disease and antibiotics in critically ill patients: they can improve gut
doi:10.1016/S0306-4522(03)00427-5 THE DIFFERENTIATION POTENTIAL OF PRECURSOR CELLS FROM THE MOUSE LATERAL GANGLIONIC EMINENCE IS RESTRICTED BY IN VITRO EXPANSION C. SKOGH,a M. PARMARa AND K. CAMPBELLb* aWallenberg Neuroscience Center, Division of Neurobiology, Lund University, Solvegatan 17, BMC A11, S-221 84 Lund, Sweden bDivision of Developmental Biology, Children’s Hospital Research Foundation,
Abstract in UndeterminedA controller scheme based on multiple rotating integrators (MRI) for an active filter is presented, analysed and evaluated. The inherent performance of integrators in the synchronous reference dq-frame for reduction of steady state errors are used in multiple rotating reference frames in order to compensate harmonics to obtain a steady state error equal to zero. Both measur
Safe languages like Java provide a much more programmerfriendly environment than the low-level languages in which real-time and embedded software have traditionally been implemented. However, an obstacle for widespread use of Java in control applications has been the predictability and real-time performance of garbage collection, and the cumbersome memory management associated with RTSJ NoHeapReal
Two methods for estimating the sensor offset of a cylinder pressure transducer are developed. Both methods fit the pressure data during pre-combustion compression to a polytropic curve. The first method assumes a known polytropic exponent, and the other estimates the polytropic exponent. The first method results in a linear least-squares problem, and the second method results in a nonlinear least-
People who have visual impairments may have difficulties navigating freely and without personal assistance, and some are even afraid to go out alone. Current navigation devices with non-visual feedback are quite expensive, few, and are in general focused on routing and target finding. We have developed a test prototype application running on the Android platform in which a user may scan for map in
A previous study compared two student groups that played a mathematics game based on a teachable agent. One group played with, and the other without, the inclusion of a social conversation module: a chat between the student and the teachable agent. Results were that students who used the game with the chat included had a more positive experience of the game and learned more in the sense of teachin
In this work, we present a novel method for non-invasive identification of liquids, for instance to allow for the detection of liquid explosives at airports or border controls. The approach is based on a nuclear magnetic resonance technique with an inhomogeneous magnetic field, forming estimates of the liquid's spin-spin relaxation time, T2, and diffusion constant, D, thereby allowing for a unique
Abstract in French La présente communication examine les effets du fissurage sur les causes des défaillances dans le sens de l'épaisseur d'un carton multicouches. Nous avons étudié comment la valeur de contrainte maximum relative change en fonction de la longueur des fissures dans diverses conditions de charge. Des feuilles d'essai comportant des fissures de fabrication dans le sens parallèle au pThis paper considers the effects of defects in the form of cracks on the failure properties in the thickness direction of multilayered board. The objective was to study how the peak stress value changes with various crack lengths under various load conditions. Specimens with manufactured cracks cut parallel to the machine-direction–cross-machine-direction plane were glued in the Arcan device and t
Changes in the linear attenuation coefficient of polymer gel dosimeters post-irradiation enable the imaging of dose distributions by x-ray computed tomography (CT). Various compositions of polymer gel dosimeters manufactured from acrylamide (AA), and N,N'-methylene-bis-acrylamide (BIS) comonomers and gelatin or agarose gelling agents were investigated. This work shows that increasing the comonomer
