Submitted:
01 October 2025
Posted:
02 October 2025
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Abstract
Keywords:
1. Introduction
2. Literature Review and Hypotheses
2.1. Hyper-Personalization in Digital Advertising
2.2. The Personalization–Privacy Paradox
2.3. Perceived Intrusiveness and the Role of Trust
2.4. Perceived Control and Consumer Empowerment
2.5. Comparative Table of Recent Works
2.6. Hypotheses Development
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H1. Perceived personalization positively influences behavioral intention.When consumers feel that a marketing message is tailored to them, showing products they are genuinely interested in, or matching their past behavior, they tend to react positively. It creates a sense of relevance that cuts through digital noise. Prior studies suggest that well-targeted ads increase attention and make consumers more likely to engage with the brand by clicking, saving, or purchasing [9,11,18].
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H2. Perceived intrusiveness negatively influences behavioral intention.But relevance has its limits. When ads come across as overly intimate—drawing on sensitive data or appearing at intrusive moments—they may trigger irritation or even outright rejection. This is where finely tuned targeting can backfire. Studies show that when promotional content is perceived as overstepping, it can reduce engagement, undermine trust, and lead to avoidance strategies such as ignoring or blocking ads [2,10,11] In short, while tailored messaging can draw attention, it can just as easily drive users away when it exceeds their comfort zone.
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H3. Privacy concerns reduce trust in the brand.One of the main reasons consumers hesitate to engage with personalized content is concern over how their data is collected and used. The fear of being tracked, profiled, or manipulated erodes trust in the company behind the ad. As several studies show, when users feel their privacy is at risk, they become skeptical and cautious, even if the content itself is functional or appealing [2,7,12].
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H4. Perceived control strengthens trust in the brand.On the flip side, when people feel that they’re in control—that they can manage what data is shared, or opt out of targeting—they’re more open to personalized experiences. Control fosters trust. Indeed, the presence of opt-out tools or symbolic gestures of agency (e.g., trustmarks or preference settings) can significantly shape user perception, as shown by Aiken and Boush [19]. It signals that the brand respects the consumer’s autonomy and isn’t hiding anything. Xu et al. [15] and Boerman et al. [10] highlight the power of providing users with tools to manage their privacy: it reduces concerns and actively increases trust.
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H5. Trust mediates the relationship between perceived personalization and behavioral intention.Ultimately, we suggest that trust acts as the bridge between recognition and response. Even when users find a message relevant, they may hold back if they lack confidence in the source. By contrast, when trust is well established, targeted content becomes more convincing and meaningful. In this sense, trust transforms relevance into engagement [2,9].
3. Methodology
3.1. Research Design
3.2. Questionnaire Structure and Measures
- Perceived Personalization (4 items): Participants were asked to rate the degree to which they felt marketing messages were tailored to their interests and behaviors. Items were adapted from Bleier and Eisenbeiss [11].
- Privacy Concerns (4 items): Derived from Xu et al. [15] these items assessed users’ levels of concern regarding data collection, surveillance, and third-party data sharing.
- Perceived Control (4 items): This construct assessed whether users felt they had meaningful options to manage their exposure to personalized content. Sample questions addressed opt-out ability and transparency.
- Trust in Brand (4 items): Based on the work of Aguirre et al. [9], these items explored user confidence in the ethical behavior and data responsibility of the brand presenting the ad.
- Behavioral Intentions (4 items): Participants reported their likelihood of engaging with ads (e.g., clicking, purchasing, sharing), depending on their reactions to personalization.
3.3. Data Collection Procedure
3.4. Data Analysis Plan
- Phase 1: Data Cleaning and Preparation. The raw dataset was first imported using the pandas library. Entries with missing responses or invalid values were excluded to ensure data quality and accuracy. Likert-scale items were verified for consistency, and categorical demographic variables (such as gender, age group, and education level) were encoded using either LabelEncoder or one-hot encoding, depending on the analysis requirements. This step also involved generating preliminary summary statistics to confirm the expected distribution of responses and to identify any anomalies.
- Phase 2: Descriptive Statistics. Descriptive measures were computed to characterize the sample and the distribution of responses across all constructs. These included the six core variables’ means, standard deviations, and frequency distributions. Although no inferential conclusions were drawn at this stage, this summary enabled an initial assessment of the scale’s performance and participant engagement with the questionnaire.
- Phase 3: Reliability Analysis. The internal consistency of each construct was assessed using Cronbach’s alpha, computed via the Penguin library. Constructs with alpha values greater than 0.70 were considered sufficiently reliable for inclusion in further analyses. This step ensured that each dimension measured a coherent and unified latent concept, supporting the instrument’s validity.
- Phase 4: Correlational Diagnostics. Pearson correlation coefficients were computed to examine the bivariate associations between all key constructs. These coefficients provided insight into potential multicollinearity and the directionality of relationships between independent and dependent variables. A correlation matrix and visualizations (e.g., heatmaps using seaborn) were planned to support interpretation and subsequent model selection.
3.5. Ethical Considerations
3.6. Limitations of the Methodological Approach
4. Results and Discussion
4.1. Descriptive Statistics of the Sample
4.2. Average Responses by Construct
4.3. Cross-Construct Analyses
4.4. Behavioral Intention Drivers
4.5. Hypothesis Testing and Path Relationships
- The most substantial positive influence on Trust comes from Perceived Control (0.377), followed by Perceived Personalization (0.306).
- Privacy Concerns slightly reduce Trust (–0.143), suggesting a subtle erosion of confidence when data usage is unclear.
- Regarding Engagement (intention to interact), Trust is the most influential factor (0.404), while Intrusiveness has an adverse effect (–0.222).
4.6. Discussion of Findings
5. Conclusion and Perspectives
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
| AI | Artificial Intelligence |
| CTR | Click-Through Rate |
| CSV | Comma-Separated Values |
| PLS-SEM | Partial least Squares Structural Equation Modelling |
| SEM | Structural Equation Modelling |
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| Study | Context | Constructs Studied | Method | Key Findings |
|---|---|---|---|---|
| Rodríguez-Priego et al. (2023) [2] | Social media ads | Personalization, Privacy Concern, Intrusiveness | Survey + SEM | Personalization increases engagement only when privacy concerns are low. |
| Saura (2024) [3] | Smart personalization | Personalization paradox, AI, Consumer Experience | Conceptual + case studies | Ethical personalization depends on transparency and consent. |
| Bleier & Eisenbeiss (2015) [18] | Banner ads | Content/Timing/Placement, Intrusiveness | Field + lab experiments | Timing and context mediate the effectiveness of personalized ads. |
| Tucker (2014) [12] | Facebook ads | Privacy Controls, Effectiveness | Field experiment | Improved privacy control doubled CTR for personalized ads. |
| Aguirre et al. (2015) [19] | Online advertising | Trust, Information Disclosure | Survey + SEM | Trust-building moderates personalization success. |
| Path | Standardized Coefficient |
|---|---|
| Perceived Personalization → Trust | 0.306 |
| Privacy Concerns → Trust | -0.143 |
| Perceived Control → Trust | 0.377 |
| Trust → Engagement | 0.404 |
| Perceived Control → Engagement | 0.206 |
| Perceived Intrusiveness → Engagement | -0.222 |
| Hypothesis | Path | β Coefficient | Interpretation |
|---|---|---|---|
| H1 | Perceived Personalization → Trust |
0.306 | Relevance helps, but only if it feels ethical |
| H2 | Privacy Concerns → Trust |
–0.143 | Worry about data erodes confidence |
| H3 | Privacy Concerns → Intrusiveness |
– | Indirect unease emerges through surveillance. |
| H4a | Trust → Engagement |
0.404 | Trust drives attention and interaction |
| H4b | Perceived Control → Engagement |
0.206 | Autonomy strengthens acceptance |
| H5 | Perceived Intrusiveness → Engagement |
–0.222 | Feeling watched reduces willingness to engage |
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