zhu2022.coherenceaccuracy.e2 {samplrData}

Data from Experiment 2 in Zhu et al. (2022)

Description

Participants (professional players recruited from twoplustwo.com) estimated the frequencies of different 3-card combinations in a 52 card deck and 3-ball combinations in a 52 ball urn (mathematically identical questions). They also answered surveys on poker playing habits and gamblers fallacy questionnaire.

Usage

zhu2022.coherenceaccuracy.e2

Format

An object of class data.frame with 186 rows and 23 columns.

Details

See exact questions in original paper's supplementary materials (Appendix B). These data are licensed under CC BY 4.0, reproduced from materials in OSF.

group

value here is always professional (in contrast to Experiment 1)

q1-q9

Answers to the poker questions

mq1-mq9

Answers to the ball questions

gfs

number of correct answers in gambler's fallacy questionnaire

cs

Inferred poker playing time in the last 12 months

RT

taskEqual

judged similarity between the Card and Ball task (0=all equal, 1=all differ, 0.5=answers differ but urn and deck were equal)

Source

https://osf.io/cdvkn/

References

Zhu J, Newall PW, Sundh J, Chater N, Sanborn AN (2022). “Clarifying the Relationship between Coherence and Accuracy in Probability Judgments.” Cognition, 223, 105022. doi:10.1016/j.cognition.2022.105022.