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The massive amount of available information and functionality of the Internet makes selective information seeking effortless. This paper aims to understand the selective exposure to information during a health decision-making task.

This study conducted an experiment with a sample of 36 students to examine the influence of prior attitude, perceived threat level and information limit on users’ selective exposure to and recall of coronavirus disease 2019 (COVID-19) vaccination information. Participants were assigned to two conditions with or without an upper limit of the number of articles to be examined, and this study collected the number of articles read, the number of articles included in the report and recall score of the articles after one day of the experiment.

This study found that (1) participants with a negative attitude were more inclined to view attitude-consistent information and recalled attitude-consistent information more accurately, while participants with a positive attitude viewed more balanced information; (2) participants perceiving higher health threat level recalled attitude-consistent information more accurately; and (3) an upper limit on the number of articles to be viewed does not have any impact on selective exposure.

The findings of this paper pinpoint the disparity of influence of positive and negative attitudes on selective exposure to and selective recall of health information, which was not previously recognized.

Vaccination campaigns should focus on reaching people with negative attitudes who are more prone to selective exposure to encourage them to seek more balanced information.

This is the first paper to explore selective exposure to COVID-19 vaccination information. This study found that people with a negative attitude and a higher level of perceived health threat are more prone to selective exposure, which was not found in previous research.

This study aims to explore the characteristics of collaborative information searching by comparing the differences in search experience and interaction between collaborative search mode and individual search mode and by analyzing the communication content and patterns during collaborative searches.

A user experiment was conducted using the Conference and Labs of the Evaluation Forum (CLEF)-Social Book Search platform, recruiting 16 individual and 18 collaborative participants. Each of the participants was required to complete two types of book search tasks in a lab setting. Interactions with the system were logged, and participants' experiences were captured through pre/post-search questionnaires. Additionally, the communication among collaborative participants was recorded and coded.

This study identified characteristics of collaborative information searching in three aspects. (1) Search experience: collaborative searchers showed a higher appreciation for the system’s functionality and aesthetics and were more engaged than individual searchers, despite experiencing slightly more mental strain. (2) Search strategies: in focus tasks, collaborative searchers made more decisions than individual searchers, indicating a need for book sorting. In open tasks, collaborative searchers take longer before making decisions, likely due to a higher level of interest and participation. (3) Communication content and pattern: collaborative searchers mainly discussed understanding and judgment of books and task plan. Searchers with same cognitive style talked more about search operations than those with different cognitive styles, while less about book judgment. Three communication patterns were identified: understanding-judgment, judgment-dominant and balanced. Judgment-dominant participants generally reported higher satisfaction with their search results than those in the other two patterns.

This study enhances understanding of collaborative search by comparing it with individual search and analyzing communication content, potentially inspiring collaborative search system and experiment design. Additionally, the coding table for communication between collaborative searchers offers valuable insights for future research.

To gain a deeper understanding of users’ health information adoption and to promote the effectiveness of health information spread in the context of online limited information, this paper aims to examine how the information-motivation-behavioural (IMB) skills model can be used to organize online health information by experimenting how different IMB elements (information, motivation and behavioural skills) affect users’ intention to adopt health information.

The authors conducted an experiment with 48 participants who received health articles with various combinations and sequences of IMB elements, analysing the impact on information adoption intention to share and practice. The authors also examined the mediation effect of information usefulness and the moderating effect of perceived health status.

The authors found that: users’ adoption intention of information was influenced by the order of used IMB elements, not the number of elements used; users were more likely to adopt information that started with behavioural skills rather than the model-prescribed IMB sequence; and perceived usefulness mediated the relationship between IMB elements and users’ adoption intention, which means users with different levels of health status all pay more attention to information usefulness and practicability.

The study contributes to research on health communication by showing how the IMB model can be applied online to enhance the effectiveness of health information dissemination. It can also help online health communities arrange more effective and engaging health messages to promote users’ willingness to adopt.

Social media commerce provides a convenient way for users to share information and interact with each other. Few studies, however, have examined the effect of marketing messages and consumer engagement behaviors on the economic performance of marketing. This study, therefore, explored the economic performance of social media in terms of marketing messages and consumer engagement.

Using ordinary least squares regression and data collected from Weibo and Maoyan, this study analyzed the effects among marketing messages, consumer engagement and movie ticket sales.

The results indicated that marketing messages on Weibo had a positive effect on box office revenues, while consumer engagement behavior (whether personal or interactive) did not affect box office revenues. The results suggested that marketing messages on social media have more salient effects for predicting economic performance than consumer engagement behaviors.

This study underscores the importance of social media in consumer purchasing behavior. The findings also extend the literature related to commerce and product message design on social media platforms.

In recent years, the application of artificial intelligence and digital technology has increasingly become a priority for online retailers. It is crucial to choose a way to make use of human–computer interaction (HCI) design to exert the positive influence of intelligent technology on consumer welfare. Despite the increasing use of HCI design in online retail context, there remain limitations in their effect of consumer well-being improvement. Although there is extensive literature in the field of consumer well-being improvement, few studies have empirically examined how HCI design drives the improvement of consumer well-being in the online retail context. Therefor, this study aims to deeply and systematically analyze the psychological mechanism between HCI and consumer well-being in the online retail environment.

The empirical analysis is based on data collection of 476 samples of online shoppers through the online survey method. From the perspective of autonomy, this study deeply analyzes the influence mechanism of different dimensions of HCI perception on consumer well-being.

The results indicated that autonomy plays a positive intermediary role in the impact of perceived connectivity, perceived personalization, perceived control and perceived responsiveness on the eudaimonia and hedonic enjoyment. Also, it revealed that psychological resistance negatively regulates the impact of perceived connectivity, perceived personalization and perceived control on autonomy, while experience purchase positively regulates the impact of autonomy on hedonic enjoyment.

This paper expands the research situation of consumer well-being by making integration of the dual structure of subjective well-being and psychological well-being to define the psychological mechanism and boundary conditions of the impact of HCI perception on consumer well-being. The main contribution of this study is to provide enlightenment for online retail enterprises to improve HCI design and help consumers enhance long-term well-being.

The purpose of this paper is to identify the types of contents shared through Facebook during different phases of disaster management.

The primary data of this study were collected using the qualitative method. To acquire the necessary data, researcher selected 50 Sri Lankan Facebook users who can read and understand Sinhala with more than 1,000 friends using the snowball sampling method. Selected Facebook users had to collect Facebook posts related to flood during two weeks time period. Data were collected until it reached data saturation point. The collected Facebook posts were transcribed and translated into English. Thematic analysis was used to analyze the Facebook posts.

The most prominent use of Facebook for disaster communication can be observed in, during and post-disaster phases. In the during-disaster phase, people used Facebook to share posts related to disaster warning, request for help or rescue, share information about rescue missions, share contact numbers of rescue teams, request donation items, coordinate aid distribution, ask for volunteer work and to provide feedback about the ongoing funding programs. In the post-disaster phase, people used Facebook to request volunteer help for cleaning, to provide feedback about the progress and to ask about donating cleaning products.

Findings of this study can be used by the government or authorized bodies to develop official social media channels, which would fulfill information requirements during disaster situations.