Su Ryeon Noh, Jung-Ah Kim, Hae-Kwan Cheong, Mina Ha, Young-Koo Jee, Myung-Sook Park, Kyung-Hwa Choi, Ho Kim, Sung-Il Cho, Kyungho Choi, Domyung Paek
Hebei Spirit oil spill and its long-term effect on children's asthma symptoms
Environmental pollution (Barking, Essex : 1987)
sample size neglect tendency underestimate variability mean estimates changes sample size studied 100 participants science social science backgrounds test whether training task showing differentsized samples data points beeswarm task help overcome bias ability judge two samples came population improved training 38 participants reported learned wait larger samples making response training participants completed 12item estimation quiz including items testing sample size neglect sitems bonus payments given correct responses quiz confirmed sample size neglect 20 participants scored zero sitems two participants achieved 46 items correct performance quiz improve training regardless much learning occurred beeswarm task error patterns quiz generally consistent expectation though intriguing exceptions could readily explained sample size neglect suggest training simulated data might need accompanied explicit instruction effective counteracting sample size neglect generally