Method Bias and Concurrent Verbal Protocol in Software Usability Testing

1992 ◽  
Vol 36 (16) ◽  
pp. 1220-1224 ◽  
Author(s):  
Richard B. Wright ◽  
Sharonlyn A. Converse
Keyword(s):  
Mental Workload ◽  
Usability Testing ◽  
Potential Method ◽  
Ease Of Use ◽  
Software Usability ◽  
Usability Tests ◽  
Error Frequency ◽  
Task Time ◽  
Method Bias ◽  
The Impact

Concurrent verbal protocols are gaining wide acceptance in software usability testing. In this study, the impact concurrent verbalization has on task performance during a software usability test was investigated. Subjects randomly assigned to two levels of verbalization were asked to complete four tasks of varying difficulty using a disk utility package. Subjects in the verbalization condition were asked to provide an explanation for each step taken to complete a task. Subjects in the control condition were allowed to complete each task silently. Dependent variables were task time, error frequency, and responses to subjective measures of mental workload and ease-of-use. Subjects in the verbalization condition committed fewer errors and consumed less task time than subjects in the silent condition. Further, the mean difference in error frequency and task time between conditions increased with task difficulty. These results were extremely important in revealing a potential method bias in usability tests.

Investigating the Adoption of ERP Systems

2020 ◽  
Vol 13 (1) ◽  
pp. 96-117
Author(s):  
Sahem Isam Al-Adwan ◽  
Abdel salam Abdel hammed Habahbeh
Keyword(s):  
Technology Acceptance ◽  
Enterprise Resource Planning ◽  
Resource Planning ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Planning System ◽  
Perceived Ease Of Use ◽  
Software Usability ◽  
Task Support ◽  
The Impact

Software usability is one of the important issues of human computer interaction. It is a critical quality factor that controls the quality and the performance of any interactive software. This study aims to investigate the impact of usability attributes on end-user's acceptance of enterprise resource planning by extending the technology acceptance model to include five usability attributes, namely: task support, presentation, navigation, learnability and memorability. At the time of writing this article, to the best-known knowledge, there have been no studies in Jordan that have investigated the impact of software usability on the end users' continuous intention to use an enterprise resource planning system. The proposed research model is validated by conducting a survey from Dawacom Pharmacies based in Amman, Jordan. The results show that nine out of eleven hypotheses are significant. The findings indicate that all attributes have a significant impact on user acceptance. Except, the task support does not have a significant effect on perceived usefulness and perceived ease of use.

scholarly journals An Effective Method for Preparation of Liquid Phosphoric Anhydride and Its Application in Flame Retardant Epoxy Resin

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2205
Author(s):  
Qian Li ◽  
Yujie Li ◽  
Yifan Chen ◽  
Qiang Wu ◽  
Siqun Wang
Keyword(s):  
Flame Retardant ◽  
Epoxy Resin ◽  
Epoxy Resins ◽  
Oxygen Index ◽  
Decomposition Temperature ◽  
Ease Of Use ◽  
Limiting Oxygen Index ◽  
Good Thermal Stability ◽  
Low Viscosity ◽  
The Impact

A novel liquid phosphorous-containing flame retardant anhydride (LPFA) with low viscosity was synthesized from 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and methyl tetrahydrophthalic anhydride (MeTHPA) and further cured with bisphenol-A epoxy resin E-51 for the preparation of the flame retardant epoxy resins. Both Fourier transform infrared spectroscopy (FT-IR), mass spectrometry (MS) and nuclear magnetic resonance (NMR) measurements revealed the successful incorporation of DOPO on the molecular chains of MeTHPA through chemical reaction. The oxygen index analysis showed that the LPFA-cured epoxy resin exhibited excellent flame retardant performance, and the corresponding limiting oxygen index (LOI) value could reach 31.2%. The UL-94V-0 rating was achieved for the flame retardant epoxy resin with the phosphorus content of 2.7%. With the addition of LPFA, the impact strength of the cured epoxy resins remained almost unchanged, but the flexural strength gradually increased. Meanwhile, all the epoxy resins showed good thermal stability. The glass transition temperature (Tg) and thermal decomposition temperature (Td) of epoxy resin cured by LPFA decreased slightly compared with that of MeTHPA-cured epoxy resin. Based on such excellent flame retardancy, low viscosity at room temperature and ease of use, LPFA showed potential as an appropriate curing agent in the field of electrical insulation materials.

scholarly journals An Exploratory Study of Length and Frequency of Internet Banking Usage

2007 ◽  
Vol 2 (1) ◽  
pp. 76-85
Author(s):  
Booi Hon Kam ◽  
Hernan Riquelme
Keyword(s):  
Customer Satisfaction ◽  
Foreign Exchange ◽  
Exploratory Study ◽  
Internet Banking ◽  
Ease Of Use ◽  
Market Segments ◽  
Customer Base ◽  
Banking Service ◽  
The Impact ◽  
Exchange Transactions

The advent of Internet has provided banks an opportunity to reduce costs, increase customer base, and mass customize by delivering their products and services through this medium. A flurry of studies on Internet banking (IB) has since emerged. The majority of these studies, however, have been directed to either IB adoption or IB service quality delivery. With few exceptions, the impact that customer satisfaction with e-banking service qualities has on IB usage remains unexplored. This study examines a sample of Australian IB users based on their frequency and length of usage. The results show that as customers become more acclimatized to IB, they use these services more often. Further, daily and frequent IB users are more pleased with “ease of use” and “aesthetics” and tend to use IB more for electronic fund transfer and foreign exchange transactions than the less frequent users. The findings suggest that banks need to develop more customized services since there are distinct market segments with different banking requirements.

scholarly journals An associational study: preschool teachers’ acceptance and self-efficacy towards Educational Robotics in a pre-service teacher training program

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Despoina Schina ◽  
Cristina Valls-Bautista ◽  
Anna Borrull-Riera ◽  
Mireia Usart ◽  
Vanessa Esteve-González
Keyword(s):  
Teacher Training ◽  
Training Program ◽  
Self Efficacy ◽  
Group Intervention ◽  
Preschool Teachers ◽  
Ease Of Use ◽  
Educational Robotics ◽  
Perceived Ease Of Use ◽  
Significant Difference ◽  
The Impact

Abstract Purpose This study explores pre-service preschool teachers’ acceptance and self-efficacy towards Educational Robotics (ER) during a university course, and also examines their perceptions of the course. Methodology This is a one-group intervention study with an associational research design that includes both quantitative and qualitative research methods: two pre-questionnaires and two post-questionnaires on pre-service teachers’ acceptance and self-efficacy towards ER, and participants’ training journals. Findings The results show that pre-service teachers’ acceptance and self-efficacy towards ER improved after they completed the ER teacher training course. There was a significant difference between the start and the end of the ER training in the pre-service teachers’ acceptance of ER in the areas of perceived ease of use, enjoyment and attitudes, and in their self-efficacy. The findings based on the training journals show that participants positively evaluated the course. The participants also provided suggestions for improving it, such as additional training sessions, resources and time for experimentation. Value Our study reveals the impact of an ER training program and showcases the importance of integrating ER in pre-service teachers’ education.

scholarly journals Predicting Consumer Intention to Use Mobile Payment Services: Empirical Evidence from Vietnam

2016 ◽  
Vol 8 (1) ◽  
pp. 117 ◽  
Author(s):  
The Ninh Nguyen ◽  
Tuan Khanh Cao ◽  
Phuong Linh Dang ◽  
Hien Anh Nguyen
Keyword(s):  
Empirical Evidence ◽  
Service Providers ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Mobile Payment ◽  
Future Research ◽  
Intention To Use ◽  
Perceived Ease Of Use ◽  
Payment Services ◽  
The Impact

<p>Mobile payment has relative advantages compared to other payment methods, thus providing benefits for both consumers and the society. This study attempts to examine factors influencing consumer intention to use mobile payment services. Survey data are used to investigate the impact of consumers’ perceptions of mobile payment services and social influence on use intention. Empirical evidence from 489 Vietnamese consumers confirms a significant relationship between the factors and behavioral intention, and reveals that perceived trust is the strongest predictor of intention to use mobile payment services followed by perceived ease of use, perceived enjoyment, perceived behavioral control, perceived usefulness and subjective norm, respectively. The results contribute to the evolving literature, and suggest that mobile payment service providers should particularly focus on building up consumer trust, and making their services clear, understandable and easy to use. Future research directions for extending this study are also discussed.</p>

Crowdsourcing the Evaluation of Design Concepts With Empathic Priming

2016 ◽  
Author(s):  
Michelle A. Pang ◽  
Carolyn C. Seepersad
Keyword(s):  
Rating Scales ◽  
Pairwise Comparison ◽  
Comparison Method ◽  
Ease Of Use ◽  
Primary Study ◽  
Design Concepts ◽  
The Impact ◽  
Further Development ◽  
Similar Evaluation ◽  
Insight Into

The evaluation of design concepts is a time consuming and resource intensive process. Crowdsourcing evaluations has been examined in previous work as a means to reduce the need for expert raters, while achieving similar evaluation results. This paper examines the impact of empathically priming novice raters on their evaluation of alternative design concepts. The rating system is based on a pairwise comparison method that requires minimal training of novice raters. In a pilot study the pairwise method for crowdsourcing evaluations is compared with crowdsourced evaluations using non-pairwise rating scales and with the evaluations of expert raters. The primary study incorporates written and empathic priming strategies to determine their impact on novice raters’ evaluation of concepts. Raters are asked to consider several criteria, including novelty, feasibility, clarity (of the concept), usefulness, ease of use, and overall worthiness of further development. Results offer insight into the criteria that are most relevant to novice raters and whether empathic priming has a significant effect on those evaluations.

The Risk of Water Erosion on the Foothills of the Middle High Atlas (Morocco): Tagueleft Basin Case Study : خطر التعرية المائية على السفوح بالأطلس الكبير الأوسط (المغرب): دراسة حالة حوض تاكلفت

2020 ◽  
Vol 4 (3) ◽  
Author(s):  
Rizki Mohamed
Keyword(s):  
Land Degradation ◽  
Local Development ◽  
Remote Sensing Data ◽  
Potential Method ◽  
Water Erosion ◽  
High Atlas ◽  
Negative Impacts ◽  
The Impact

The Tagueleft basin is geographically located in the northern edges of the Middle High Atlas, which is a geomorphological fragile area. The impact of human activity has accelerated water erosion in this mountains area. This is reflected in dynamic and unstable foothills, a decrease in forests density and degradation in the production of the land. On the other hand, land degradation due to human overexploitation of natural resources has increased land degradation in the area. The interest in the risk of erosion on the foothills in the area under study comes in the context of our contribution to clarify the role of geomatical and geomorphological approaches in explaining and identifying the mechanisms responsible for current foothills dynamism through water erosion and its negative impacts on the environment and local development. The aim of the study was to use the EPM (Erosion Potential Méthod) which is formulated by Slobodan Gavrilovic for erosion in mountainous areas and to test the reliability of its results based on fieldwork and remote sensing data. The results of the erosion assessment and its quantification by applying the coefficient (W) for the theoretical model in the area under study have shown that erosion is very important and it touches on wide areas as it appears through the domain classification of the distribution erosion in Tagueleft basin.

Understanding the Moderating Impact of Context-Awareness and Ubiquity on Mobile Government Services Adoption

2022 ◽  
Vol 14 (1) ◽  
pp. 0-0
Keyword(s):  
Technology Acceptance ◽  
Context Awareness ◽  
Structural Equation ◽  
Moderating Effect ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Policy Implications ◽  
Equation Modeling ◽  
Future Research ◽  
The Impact

The factors of context-awareness and mobile ubiquity are major components in the development and diffusion of any mobile technology-driven applications and services. Principally in the m-government development space, the issues of context-awareness and ubiquity are crucial if m-government initiatives are to be successful. The moderating effect of context-awareness and ubiquity on mobile government adoption is examined for 409 students from a Chinese University based on the Technology Acceptance Model. Using the Structural Equation Modeling technique, the results indicate that perceived ease of use (PEOU) was significantly related to intention to use, but perceived usefulness (PU) did not have a significant effect on mobile government adoption. The moderating analysis indicated that context-awareness significantly moderated the impact of PU but had no moderating effect on PEOU. Also, it was discovered that ubiquity was significant in moderating both the PEOU and PU on mobile government adoption. Policy implications and directions for future research are presented.

Assessment of influencer’s effects on customers’ online purchasing behavior in Vietnam

2021 ◽  
Vol 11 (2) ◽  
pp. 81-96
Author(s):  
Pham Minh ◽  
Dang Thao Yen ◽  
Ngo Thi Huong Quynh ◽  
Hoang Thi Hong Yen ◽  
Tran Thi Thanh Nga ◽  
...  
Keyword(s):  
Technology Acceptance ◽  
Source Credibility ◽  
Sem Analysis ◽  
Ease Of Use ◽  
Influential Factor ◽  
Purchasing Behavior ◽  
Human Beings ◽  
Perceived Ease Of Use ◽  
Tam Model ◽  
The Impact

Today, the development of the Internet and social networks has changed the lives of human beings. The ability of these technologies to connect people in real-time expands the influence of some people in the community. Therefore, this study is conducted to test whether customers change purchasing behavior in online environments under the impact of those influencers by using Technology Acceptance Model (TAM). The study conducted a survey of 503 Vietnameses on Google Form from November 2020 to mid-January 2021. The collected data were analyzed using AMOS 24 with CB-SEM analysis method. The results showed a positive relationship between influencers and customers’ online purchasing behavior. More specifically, customers are more likely to buy online if they trust influencers and their advertisements. This is the most influential factor among the three influencer traits (as source credibility): trustworthiness, expertise, and attractiveness. A remarkable point in this study is that Vietnamese people are more concerned with perceived ease of use when buying online than other factors in the TAM model. This is the basis for businesses to implement influencer marketing strategies and improve the competitiveness of their online business.

Adoption of Mobile Commerce Technology

2012 ◽  
Vol 3 (2) ◽  
pp. 36-49 ◽  
Author(s):  
Emad Abu-Shanab ◽  
Osamah Ghaleb
Keyword(s):  
Technology Acceptance ◽  
Perceived Risk ◽  
Empirical Test ◽  
Mobile Commerce ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Security And Privacy ◽  
Privacy Concerns ◽  
Perceived Trust ◽  
The Impact

This research extended the Technology Acceptance Model (TAM) with perceived trust and perceived risks (security and privacy concerns) constructs to identify the impact of these factors on Jordanian users’ intentions to adopt mobile commerce (m-commerce). An empirical test was used utilizing 132 responses from students in two public universities in Jordan. Results indicated that perceived trust, perceived usefulness, and perceived ease of use are major influencers of mobile commerce adoption. On the other hand, perceived risk factors (security and privacy concerns) were not significant in this relation. Discussion, conclusion and future work are stated at the end of this paper.

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