Persona Attractiveness Influences Designer Engagement, Not Necessarily Task Outcomes

Why It Matters

This research highlights a subtle but pervasive psychological bias in the design process. Designers need to be aware that their emotional and cognitive responses to user personas, influenced by factors like attractiveness, can shape their interaction and potentially their design choices, even if the final product's core functionality remains unaffected.

Key Finding

While designers found more attractive personas more credible and engaging, leading to more emotionally expressive designs, the actual functional quality of the IT solutions developed did not differ based on persona attractiveness.

Key Findings

• Perceived attractiveness of user personas positively correlated with their completeness, credibility, empathy, likability, and usefulness.
• More attractive personas were perceived as more agreeable, emotionally stable, extraverted, and open.
• Designers spent more time engaging with more attractive personas.
• IT solutions for more attractive personas showed a higher degree of affect, but task outputs (functional quality) did not significantly vary by persona attractiveness.

Research Evidence

Aim: To investigate whether the perceived attractiveness of user personas influences designers' perceptions of those personas and the quality of IT solutions developed for them.

Method: Experimental study

Procedure: Participants were tasked with developing remote work solutions using one of six fictitious user personas. The study measured designers' perceptions of the personas and analyzed the resulting IT solutions.

Sample Size: 235 participants

Context: Information Technology (IT) solution design for remote work

Design Principle

Strive for objective persona evaluation, recognizing that subjective appeal can influence engagement but should not dictate functional design decisions.

How to Apply

When creating or selecting user personas, consciously consider if their attributes (including visual representation) might be introducing unconscious bias. Develop criteria to objectively assess the functional suitability of designs, independent of persona appeal.

Limitations

The study focused on IT solutions for remote work and may not generalize to all design contexts. The 'affect' in IT solutions was linguistically analyzed, which might not fully capture the user experience.

Student Guide (IB Design Technology)

Simple Explanation: When designers create things for people, they sometimes like people who seem more attractive more. This makes them pay more attention to those people, but it doesn't always mean they make better products for them.

Why This Matters: Understanding how our own biases can affect our design process is crucial for creating truly user-centred solutions. This research shows that even seemingly superficial qualities of a persona can influence how we interact with it.

Critical Thinking: To what extent should 'hedonic' qualities be incorporated into user personas, and how can designers ensure these qualities enhance empathy without introducing detrimental biases?

IA-Ready Paragraph: The 'what is beautiful is good' effect, as demonstrated by Salminen et al. (2023), suggests that perceived attractiveness of user personas can positively influence designer engagement and perceptions of persona credibility and usefulness. However, this study found that while designers spent more time with attractive personas and produced solutions with higher 'affect,' the functional quality of the IT solutions did not significantly improve. This highlights the need for designers to be critically aware of how subjective persona attributes might influence their design process and to implement objective evaluation methods to ensure that functional user needs are met.

Project Tips

• When creating personas, consider how their presentation might influence your own perception.
• Develop clear criteria for evaluating the success of your design that are not based on subjective appeal.

How to Use in IA

• Reference this study when discussing the creation and use of user personas, particularly concerning potential biases and the importance of objective evaluation.
• Use the findings to justify methods for ensuring that design decisions are based on user needs rather than designer preconceptions.

Examiner Tips

• Demonstrate an awareness of psychological biases that can affect design practice, such as the 'what is beautiful is good' effect.
• Show how you have actively mitigated such biases in your design process.

Independent Variable: Perceived attractiveness of user persona

Dependent Variable: Designer perceptions of persona (completeness, credibility, empathy, likability, usefulness), designer engagement time, linguistic analysis of IT solutions (affect), task outputs (functional quality of IT solutions).

Controlled Variables: Type of IT solution being designed (remote work solutions), participant background (designers).

Strengths

• Experimental design allows for causal inferences regarding attractiveness and perception.
• Large sample size provides statistical power.

Critical Questions

• How might the specific domain (IT for remote work) have influenced the findings on task outcomes?
• What are alternative methods for measuring the 'affect' of IT solutions beyond linguistic analysis?

Extended Essay Application

• Investigate the impact of different visual representation styles for personas on designer engagement and bias.
• Explore how cultural differences might mediate the 'what is beautiful is good' effect in persona design.

Source

How does an imaginary persona's attractiveness affect designers' perceptions and IT solutions? An experimental study on users' remote working needs · Information Technology and People · 2023 · 10.1108/itp-09-2022-0729