# The Challenge of Variable Effort Crowdsourcing and How Visible Gold Can Help

> Research article (arXiv (Cornell University), 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3205934028](https://www.wikidata.org/wiki/openalex:W3205934028)  
**Source**: https://4ort.xyz/entity/the-challenge-of-variable-effort-crowdsourcing-and-how-visible-gold-can-help