biostudies-literatureFujisaki IJST CRESTJapan Society for the Promotion of Science30727https://www.ebi.ac.uk/biostudies/studies/S-EPMC12371095biostudies-literatureUnknown15(1)Previous studies have demonstrated that individuals can utilize the wisdom of crowds, known as 'the wisdom of the inner crowd'. This requires answering the same question multiple times and averaging the estimates. Although several methods have been proposed to achieve more accurate estimates, its efficacy remains relatively low. Therefore, this study proposes a method that assembles multiple independent methods to simulate the wisdom of the inner crowd effect. Particularly, our method instructs participants to provide estimates five times. Through a behavioural experiment, we confirmed that our method can produce the wisdom-of-innercrowd effect. Moreover, we found that our method produced more accurate estimates than a method that required participants to estimate five times without specifScientific reportsAn ensemble method utilising multiple thinking styles that boosts the wisdom-of inner- crowd effect.PMC12371095JP23K17010JPMJCR19A1Yu LUeda KTsukamura YYang KFujisaki IfalseAn ensemble method utilising multiple thinking styles that boosts the wisdom-of inner- crowd effect.Previous studies have demonstrated that individuals can utilize the wisdom of crowds, known as 'the wisdom of the inner crowd'. This requires answering the same question multiple times and averaging the estimates. Although several methods have been proposed to achieve more accurate estimates, its efficacy remains relatively low. Therefore, this study proposes a method that assembles multiple independent methods to simulate the wisdom of the inner crowd effect. Particularly, our method instructs participants to provide estimates five times. Through a behavioural experiment, we confirmed that our method can produce the wisdom-of-innercrowd effect. Moreover, we found that our method produced more accurate estimates than a method that required participants to estimate five times without specif2025-01-01T00:00:00Z2025 Aug2026-05-08T10:49:52.494Z2026-05-03T03:05:47.416ZS-EPMC123710954084152710.1038/s41598-025-14740-3