Does the "automated grader" direction suppress expressed distress in Qwen3.6-27B?

TLDR: This is a preregistration for an experiment intended to examine the impact of steering towards "automated-grading" on welfare-relevant indicators of frustration, self-deprecation, and tone as well as use of a tool which can abort the conversation. Confirmatory data will be published in a follow-up post after collection is done. The numbers reported here are for calibration only.GoalsPrevious WorkThis post describes the design for the fourth study in a series where I explore the relationshi...