Table 2. Summary of crowdsourcing assignments.

Rewards in USD.

Phase	Assignment	Reward	Responses	Workers
1	Prediction task proposal	$3.00	50	50
2	Perceived importance rating and task categorization	$0.25	2,042	239
2	Perceived learnability rating	$0.05	835	83
3	Data collection, perceived importance tasks	$0.12	2,004	495
3	Data collection, perceived learnability tasks	$0.12	990	281
1	Prediction task proposal (randomized trial)	$3.00	90	90
2	Task categorization (randomized trial)	$0.13	458	61