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TRUVACE RECORD VERSION
record: TRV-2026-2513
version: 1
kind: certified
reason: Certified into the record
timestamp: 2026-11-12T07:45:40.659675Z
status: published
lens: p_space
sector: business
headline: Agency cues in personalized chatbot advertising: the role of grammatical subject framing, privacy concern, and social role
dek: This research examines how personalization and grammatical-subject framing in chatbot advertising shape privacy concern and advertising effectiveness. Across two experiments, we manipulated personalization (high vs. low) and grammatical subject (AI “I” vs. consumer “you”). Study 1 (N = 396) showed that, under high personalization, AI-subject framing increased privacy concern, which in turn reduced brand attitude and purchase intention. Study 2 (N = 302) replicated this moderated mediation pattern in a different…
gain_title: (none)
problem_title: In an experiment with 396 participants, highly personalized chatbot ads worded with the AI as grammatical subject ("I") raised privacy concern, which lowered brand attitude and purchase intention.
trace_subject: (none)
gain_reading: (none)
gain_evidence: (none)
problem_reading: In an experiment with 396 participants, highly personalized chatbot ads worded with the AI as grammatical subject ("I") raised privacy concern, which lowered brand attitude and purchase intention.
problem_evidence: under high personalization, AI-subject framing increased privacy concern, which in turn reduced brand attitude and purchase intention
quick_read: Two online experiments tested how chatbot advertising works when it is personalized and when the sentence subject is the AI ("I") or the consumer ("you"). In Study 1, with 396 participants, highly personalized ads that used AI-subject framing increased privacy concern, which in turn lowered brand attitude and purchase intention.

Study 2, with 302 participants, repeated the pattern in a different product category. It also tested the chatbot's social role, and privacy concern did more damage to advertising outcomes when the chatbot acted as a friend than when it acted as a servant.

The findings suggest that a small wording choice, who the sentence is about, can change how consumers respond to personalized conversational AI. Both studies were experiments, so they show effects under controlled conditions rather than measured sales.
limitation: The findings come from two experiments with 396 and 302 participants, covering two product categories, so they show effects under controlled conditions only.
tag: Evidence-backed problem
key_points: Study 1 had 396 participants and varied personalization (high vs. low) and grammatical subject (AI "I" vs. consumer "you"). | Under high personalization, AI-subject framing increased privacy concern. | Higher privacy concern reduced both brand attitude and purchase intention. | Study 2 had 302 participants and replicated the pattern in a different product category. | Privacy concern had stronger negative effects on advertising outcomes when the chatbot played a friend rather than a servant. | The authors describe grammatical-subject framing as a sentence-level agency cue.
rundown: The research was published in the International Journal of Advertising. It manipulated personalization at two levels and grammatical subject at two levels, comparing chatbot messages in which the AI spoke as "I" with messages addressed to the consumer as "you".

In Study 1 (N = 396), the pathway ran from AI-subject framing to higher privacy concern, then to weaker brand attitude and lower purchase intention. This held under high personalization.

Study 2 (N = 302) used a different product category and added chatbot social role as a boundary condition. Casting the chatbot as a friend strengthened the negative effect of privacy concern on advertising outcomes compared with casting it as a servant.
sources:
- peer_reviewed | International Journal of Advertising | https://doi.org/10.1080/02650487.2026.2749451 | 2026-10-29
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