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Previous surveys showed that most of students and researchers in psychology misinterpreted P-value and confidence intervals (CIs), yet presenting results in CIs may help them to make better statistical inferences. In this data report, we describe a dataset of 362 valid data from students and researchers in China that replicate these misinterpretations. Part of these data had been reported in [Hu, C.-P., Wang, F., Guo, J., Song, M., Sui, J., & Peng, K. (2016). The replication crisis in psychological research (in Chinese). Advances in Psychological Science, 24(9), 1504–1518 doi:10.3724/SP.J.1042.2016.01504]. This dataset can be used for educational purposes. Also, they can serve as the pilot data for future studies on the relationship between the understanding of P-value/CIs and statistic inference based on P-value/CIs.
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