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Research
Research record2026Work in progress

Human or Machine? Out-of-Time Validation of Task-Level AI Exposure Ratings

Which task-level AI-exposure ratings continue to align with public measures of task use that appeared after the ratings were constructed?

Status
Work in progress
Role
Sole author
Authors
Ian Helfrich
Method
within-occupation models · paired cluster bootstrap · out-of-time validation
What this record does not establish
The paper is in progress and reports no results yet.

A public manuscript is not yet available.

Summary

A sole-authored paper in progress that tests trained-human and GPT-4 task-level AI-exposure ratings against public measures of task use published after the ratings were constructed. It reports no results yet.

Methods and notes

AI-exposure scores are often evaluated against outcomes that were available when the scores were constructed, or against measures built from the same conceptual ingredients. That can make a rating look validated even when the test is partly circular.

This paper asks a stricter question: when trained-human and GPT-4 ratings are compared with evidence that became available later, which task-level ratings continue to line up with observed task use?