AI Assistance Reduces Persistence and Hurts Independent Performance: New RCT Evidence from 1,222 Participants

A rigorous randomized controlled trial (N=1,222) has found that AI assistance, while improving short-term task performance, significantly reduces human persistence and impairs unassisted performance. The effects emerge after just 10 minutes of AI interaction — raising fundamental questions about how we deploy AI tools.

The Study

Researchers conducted multiple RCTs examining human-AI interaction across mathematical reasoning and reading comprehension tasks. The findings are causal, not merely correlational.

Key Findings

Short-Term Benefit

• AI assistance improves performance while the AI is available
• Participants complete tasks faster and more accurately

Long-Term Cost

• Reduced persistence — People are more likely to give up when AI is unavailable
• Impaired independent performance — Significantly worse performance without AI
• Rapid onset — Effects emerge after approximately 10 minutes of AI use

Why This Happens

The researchers posit a mechanism: AI conditions people to expect immediate answers, denying them the experience of working through challenges independently. Like a calculator that makes mental arithmetic atrophy, AI assistance may erode the cognitive persistence needed for deep learning.

The Contrast: Good vs. Bad Collaboration

• Human mentors — Scaffold learning, track progress, prioritize growth over immediate results
• Current AI systems — Optimized for instant, complete responses; never say no (except for safety)

Implications

1. Education — AI tutoring systems need "productive struggle" features, not instant answers
2. Workplace — Over-reliance on AI could erode problem-solving skills
3. AI design — Models should scaffold long-term competence, not just complete tasks immediately
4. Policy — Organizations should think carefully about which tasks get AI assistance

Why This Matters

Persistence is foundational to skill acquisition and one of the strongest predictors of long-term learning. If AI tools systematically undermine persistence, the long-term costs may outweigh short-term productivity gains.