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Based on the post-acceptance model of information system continuance (PAMISC), this study investigates the influence of the early-stage users' personal traits (specifically personal innovativeness and technology anxiety) and ex-post instrumentality perceptions (specifically price value, hedonic motivation, compatibility and perceived security) on social diffusion of smart technologies measured by the intention to recommend artificial intelligence-based voice assistant systems (AIVAS) to others.

Survey data from 400 US AIVAS users were collected and analyzed with Statistical Product and Service Solutions (SPSS) 18.0 and the partial least square technique using advanced analysis of composites (ADANCO) 2.1.

AIVAS technology is presently at the early stage of market penetration (about 25% of market penetration in the USA). A survey of AIVAS technology users reveals that personal innovativeness is directly and indirectly (through confirmation and continuance) associated with a stronger intention to recommend the use of the device to others. Confirmation is associated with all four ex-post instrumentality perceptions (hedonic motivation, compatibility, price value and perceived security). Among the four, however, only hedonic motivation and compatibility are significant predictors of satisfaction, which lead to use continuance and, eventually, intention to recommend. Finally, technology anxiety is found to be indirectly (but not directly) associated with a lower intention to recommend.

This is the first study conducted on the early-stage AIVAS users that evaluates the influence of both personal traits and ex-post instrumentality perceptions on users' intention for continuance and recommendation to others.

This paper aims to explore how color-based visual sensation affects people’s judgment of other people and their environment. The authors focus primarily on uncovering the causal mechanism in which such effect is mediated by warmth stereotype.

The authors used data collected from experiments and field surveys in the USA and South Korea.

Pilot study shows that an anonymous person against a warm color background (vs neutral and cold color background) is perceived to be one with warmer personality. Study 1 shows that warm (vs neutral) color in advertising increases a perceiver’s warmth stereotype and trust and, consequently, a favorable attitude toward the advertiser. Study 2 shows that color-based warmth of an e-commerce website increases a web user’s warmth stereotype and trust of the website and higher intention to purchase. Study 3 shows that the nurses’ perception of warmth from a hospital’s ambient color affects their favorable judgment of the hospital and intention to take on an extra role. Importantly, all effects observed across studies were mediated by the activation of warmth stereotype.

The findings provide practical guidelines to companies for the usage of colors in crafting advertising artifacts, designing a website and creating a workplace environment to induce positive attitudes and motivations toward each target.

The extant research on warmth experiences focuses on tactile sensation as a key independent variable and transient mood as a dominant mediator. This study extends the stream of research by adopting perceived visual sensation as an independent variable and warmth stereotype as a new mediating construct.