What question did this study set out to answer?

The aim is to create and validate a psychometric measurement system for assessing behavioral skills in competitive StarCraft II.

July 12, 20260 citationsOpen Access

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Measuring What MMR Misses: A Psychometric Approach to Behavioral Skill Assessment in Competitive StarCraft II

MDMichael P. Dahlin

Key Points

The aim is to create and validate a psychometric measurement system for assessing behavioral skills in competitive StarCraft II.
Developed three behavioral constructs from event-stream data using Item Response Theory.
Validated the system on a dataset of 13,638 games and a longitudinal record of 5,889 games.
Grounded in Decision Epistemics for evaluating decision-making systems.
Demonstrated that the psychometric system effectively captures attentional control, task management, and decisional commitment in gameplay.
Validation shows significant correlations with skill level indicators across the dataset.
Provides a new framework for understanding competitive gaming performance based on behavioral evidence.

Abstract

Preprint. A psychometric measurement system for competitive StarCraft II play, deriving three behavioral constructs — Attentional Control, Concurrent Task Management, and Decisional Commitment — from replay event-stream data using Item Response Theory. Validated across a 13,638-game corpus and demonstrated on a 5,889-game individual longitudinal record. Grounded in Decision Epistemics, a framework for auditing decision-making systems from behavioral evidence.

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Cite This Study

Michael P. Dahlin (Fri,) studied this question.

synapsesocial.com/papers/6a5333754f7abc118adee0e9 https://doi.org/https://doi.org/10.5281/zenodo.21300620

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