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Announcing the Latest Issue of the Int. Journal of Mobile HCI (IJMHCI)

Source: Editor in Chief, 23 March 2015

The contents of the latest issue of: International Journal of Mobile Human Computer Interaction (IJMHCI) Volume 7, Issue 2, April - June 2015
Published: Quarterly in Print and Electronically
ISSN: 1942-390X;
Published by IGI Global Publishing, Hershey, USA www.igi-global.com/ijmhci
Editor(s)-in-Chief: Joanna Lumsden (Aston University, UK)

Note: There are no submission or acceptance fees for manuscripts submitted to the International Journal of Mobile Human Computer Interaction (IJMHCI). All manuscripts are accepted based on a double-blind peer review editorial process.

Editorial Preface
Editorial Preface Jo Lumsden (School of Engineering & Applied Sciences, Aston University, Birmingham, UK)
To obtain a copy of the Editorial Preface, click on the link below.
www.igi-global.com/pdf.aspx?tid=125613&ptid=118619&ctid=15&t=Editorial Preface

Article 1

It's Time There Was an App for That Too: A Usability Study of Mobile Timebanking Kyungsik

Han (College of Information Sciences and Technology, Pennsylvania State University, State College, PA, USA), Patrick C. Shih (Department of Information and Library Science, Indiana University, Bloomington, IN, USA), Victoria Bellotti (Palo Alto Research Center, UC Santa Cruz, Santa Cruz, CA, USA), John M. Carroll (College of Information Sciences and Technology, Pennsylvania State University, State College, PA, USA)

Timebanking refers to community-based volunteering in which participants provide and receive services in exchange for time credits. Although timebanking takes advantage of web technologies, the lack of flexibility in managing web-based timebanking transactions and the difficulty of attracting younger adults whose contributions would be highly valuable to the community still remain as major challenges.

The authors' design research attempts to address these issues by leveraging the unique affordances of smartphones and their attractiveness to young adults. In th is paper, the authors introduce a timebanking smartphone application and present a 5-week user study with 32 young adults. The results highlight the potential of timebanking for young population with an application that facilitates access to communications and transaction-management activities, and strengthens social connection and the sense of community attachment.

The authors in particular present new affordances of smartphone technology on timebanking, including (1) transaction time reduction, (2) location and time-sensitive timebanking activity support, and (3) real-time coordination. The authors discuss design challenges and opportunities of smartphone-based timebanking.

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Article 2

The Intention to Use Mobile Dig ital Library Technology: A Focus Group Study in the United Arab Emirates Sumayyah Hassan Alfaresi (Brunel University, Uxbridge, UK), Kate Hone (Brunel University, Uxbridge, UK)

This paper presents a qualitative study on student adoption of mobile library technology in a developing world context. The findings support the applicability of a number of existing constructs from the technology acceptance literature, such as perceived ease of use, social influence and trust. However, they also suggest the need to modify some adoption factors previously found in the literature to fit the specific context of mobile library adoption. Perceived value was found to be a more relevant overarching adoption factor than perceived usefulness for this context.

Facilitating conditions were identified as important but these differed somewhat from those covered in earlier literature. The research also uncovered the importance of trialability for this type of application. The findings provide  a basis for improving theory in the area of mobile library adoption and suggest a number of practical design recommendations to help designers of mobile library technology to create applications that meet user needs.

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Article 3

Biomechanics of Front and Back-of-Tablet Pointing with Grasping Hands Katrin Wolf (University of Stuttgart, Stuttgart, Germany), Markus Schneider (Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany), John Mercouris (Illinois Institute of Technology, Chicago, IL, USA), Christopher-Eyk Hrabia (Technische UniversitÀt Berlin, Berlin, Germany)

Considering the kinematic model of the hand allows for deeper understanding of target selection on the front and on the back of tablets. The authors found that the position where the thumb and fingers are naturally hovering when the device is held results in shortest target selection times. The authors broaden our understanding of that ergonomic optimum by analyzing the touch data as well as 3D data. That allows us to model the entire hand pose including finger angles, thumb angles, and orientation. The authors show how target acquisition with grasping hands is realized through bending the joints of the digits. For targets located very close to the palm of the grasping hand, the digit joints have to be bent till their limit, which is a less ergonomic motion that therefore requires longer selection times than pointing at targets with relaxed digits that are further away.

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Call For Papers

Mission of IJMHCI: The primary objective of the International Journal of Mobile Human Computer Interaction (JMHCI) is to provide comprehensive coverage and understanding of the issues associated with the design, evaluation, and use of mobile technologies.

This journal focuses on human-computer interaction related to the innovation and research in the design, evaluation, and use of innovative handheld, mobile, and wearable technologies in order to broaden the overall body of knowledge regarding such issues. IJMHCI also considers issues associated with the social and/or organizational impacts of such technologies.

Interested authors should consult the journal's manuscript submission guidelines www.igi-global.com/calls-for-papers/international-journal-mobile-human-computer/1126

See website for further details