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Notwithstanding their potential benefits especially for individuals with low health literacy, users are still somewhat skeptical about the reliability of healthcare chatbots. The present study aims to address this challenge by investigating strategies to enhance users’ cognitive and emotional trust in healthcare chatbots. Particularly, this study aims to understand the effects of chatbot design cues in increasing trust and future chatbot use intention for low health literacy users.

We conducted two experimental studies with a final sample of 327 (Study 1) and 241 (Study 2). Three different chatbots were developed (Chatbot design: Bot vs Male-doctor vs Female-doctor). Participants were asked to have a medical consultation with the chatbot. Participants self-reported their health literacy scores. The PROCESS model 7 was used to analyze the hypotheses.

The results showed that the female-doctor cues elicited greater cognitive and emotional trust, whereas the male-doctor cues only led to greater cognitive trust (vs bot-like cues). Importantly, this study found that users’ health literacy is a significant moderating factor in shaping cognitive and emotional trust. The results indicated that both the female and male-doctor cues’ positive effects on cognitive trust were significant for those with lower levels of health literacy. Furthermore, the positive effect of the female-doctor cues on emotional trust was also significant only for those whose health literacy level was low. The increased cognitive and emotional trust led to greater future intention to use the chatbot, confirming significant moderated mediation effects.

Despite the strong economic and educational benefits of healthcare chatbots for low health literacy users, studies examining how healthcare chatbot design cues affect low health literate users surprisingly remained scarce. The results of this study suggest that healthcare chatbots can be a promising technological intervention to narrow the health literacy gap when aligned with appropriate design cues.

In the digital era, price transparency—the practice of disclosing cost breakdowns in product manufacturing—has become present on digital platforms. Although its benefits are well-documented and consumers should theoretically desire costless and relevant information for informed decision-making, this paper proposes that consumers may resist overly transparent pricing, particularly when it pertains to premium-priced (vs regular-priced) products from countries with high equity.

Our research comprises three experimental studies utilizing both student and representative online Prolific samples, covering various products and countries with different equity levels. Initially, a pilot study identifies an interpersonal should-want conflict induced by price transparency when purchasing premium-priced products, leading to information avoidance. Subsequent studies further explore this phenomenon by examining the moderating role of country equity and the mediating role of price unfairness perceptions.

Price transparency can backfire when purchasing premium-priced products due to the want-should conflict among consumers—the desire to receive disclosure of cost breakdowns versus the inclination not to view it. This conflict results in increased resistance to receiving transparent price information and decreased brand attitudes and purchase intentions, especially for products originating from high-equity countries. Heightened perceptions of price unfairness explain these dynamics.

The study primarily relies on experimental designs with limited sample sizes. To enhance the generalizability of the findings, incorporating large-scale real market data across diverse domains and countries would be beneficial.

Grounded in the should-want conflict and information avoidance theories, this paper uniquely explores the adverse effects of price transparency on digital platforms. We extend this by demonstrating that this conflict is influenced by country equity, where the perceived value added by the association of a product with a given country name affects whether consumers experience the conflict. Our investigation of perceived price unfairness further deepens our understanding of the nuanced effects of price transparency.

In the face of increasing political polarization worldwide, this study explores whether people create biased perceptions of political knowledge and how this affects their selection and evaluation of political content on YouTube.

For this study, an online experiment was conducted with 441 panels of South Korean respondents. In the first phase, participants answered 10 questions designed to capture their level of objective political knowledge, and for each question, they indicated whether they had responded to that question correctly as a means of measuring their subjective political knowledge. In the second phase, two types of YouTube thumbnails were presented to represent progressive and conservative claims on two controversial political issues, and participants rated and selected the content they would like to see.

Participants with low political knowledge perceived their knowledge as more than it really was. In contrast, participants with high political knowledge perceived their political knowledge as less than it really was. This biased perception of political knowledge influences respondents' choice and evaluation of political YouTube channel videos.

At a time when political polarization is increasing around the world, this study sought to explore how perceptions of political knowledge differ from actual political knowledge by applying the Dunning-Kruger effect. The authors also used political YouTube channels, whose role in forming public opinion and political influence is rapidly growing, to study the behavior and attitudes of a group of Korean respondents in the media according to their actual and perceived level of political literacy.