Joni Salminen

Dr. Joni Salminen works as a Scientist at Qatar Computing Research Institute, Hamad Bin Khalifa University, and as a Postdoctoral Researcher at Turku School of Economics, University of Turku. His research interests are heavily focused on personas, including topics such as automatic persona generation from social media data (YouTube, Facebook, Google Analytics), persona perceptions, biases in data-driven personas, optimal number of personas, etc.

Three Data Types for Personas

The Basics of Data-Driven Personas Data-driven personas can be generated from almost any data. Essentially, the generation consists of two steps: (1) pattern seeking, and (2) enrichment. The first part – pattern seeking – means that we need to identify some regularities (i.e., patterns) from the dataset. This is typically done using dimensionality reduction, e.g.,

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In Theory, Personas Work. In Practice, Their Application is Challenging.

This post is co-authored with Imene Belabbas, a persona enthusiast who is conducting her thesis research on personas. Introduction: The post aligns some theories about the use of Personas in design process, and how personas should be. The insights are based on the research published by Chang and colleagues:

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Theory of Personas: What Has Been Written About the Psychological Relationship Between Personas and Their Users?

In this blog post, the APG team and Kathleen Guan join to summarize some key aspects in the theory of “why personas work,” grounded in notions from social psychology. Enjoy reading! Introduction to Theory of Personas How do people form a connection with personas? What information plays a role? When does connecting take place? When

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Connected Personas: Primary, Secondary, Served, and Anti-Personas

Often, people think of personas as a one-layered concept. Meaning, there is only one set of personas they consider. This set is typically the current customers (e.g., most loyal or most valuable) or potential customers (e.g., those currently served by the competitors). However, an interesting alternative is to consider personas in a connected way. Meaning,

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