Overconfidence is generally regarded as one of the most robust findings in the psychology of judgment.A precise method for evaluating overconfidence is essential if researchers are to validate these findings.Although ...Overconfidence is generally regarded as one of the most robust findings in the psychology of judgment.A precise method for evaluating overconfidence is essential if researchers are to validate these findings.Although peer-comparison questions are a convenient tool for measuring overconfidence,their validity has been questioned.We employed a specific paradigm to verify the validity,and the respondents were asked to predict a verifiable future event in a real-world setting that allowed empirical checking and comparison between the actual result and the prediction.Studies 1 and 2 found that the actual percentile of overconfidence could be accurately predicted using our initial calculation of participants’peer-comparison overconfidence in answering questions about academic performance.Study 3 found a similar effect when using questions related to job hunting.All studies indicated that peer-comparison questions are valid for measuring bias in self-evaluation.Thus,future studies could employ peer-comparison questions to investigate the domain specificity versus the domain generality of overconfidence.展开更多
作为特高压计能装置的重要组成部分,电容式电压互感器(Capacitor Voltage Transformer,CVT)需要定期进行误差校验,以判断其是否符合准确度等级要求。当前CVT误差校验存在着几个问题急需解决:(1)高抗出线侧CVT交接试验无法在全电压下进行...作为特高压计能装置的重要组成部分,电容式电压互感器(Capacitor Voltage Transformer,CVT)需要定期进行误差校验,以判断其是否符合准确度等级要求。当前CVT误差校验存在着几个问题急需解决:(1)高抗出线侧CVT交接试验无法在全电压下进行;(2)停电校验困难;(3)校验结果偏离CVT在线状态下的实际值。为此迫切需要开展在线同级比对研究。在此背景下,以特高压CVT的误差特性为研究对象,进行了在线误差校验研究装置和试验方法研究,并将研制的在线校验系统,用于特高压浙福工程中的特高压电容式电压互感器的误差现场试验,获得了CVT在运行过程中的误差特性数据,验证了该方法可以实现对CVT的在线同级比对。展开更多
基金partially supported by grants from the National Basic Research Program of China(973 Program,2011CB711000)Knowledge Innovation Project of the Chinese Academy of Sciences(KSCX2-EW-J-8)the National Natural Science Foundation of China(70871110).
文摘Overconfidence is generally regarded as one of the most robust findings in the psychology of judgment.A precise method for evaluating overconfidence is essential if researchers are to validate these findings.Although peer-comparison questions are a convenient tool for measuring overconfidence,their validity has been questioned.We employed a specific paradigm to verify the validity,and the respondents were asked to predict a verifiable future event in a real-world setting that allowed empirical checking and comparison between the actual result and the prediction.Studies 1 and 2 found that the actual percentile of overconfidence could be accurately predicted using our initial calculation of participants’peer-comparison overconfidence in answering questions about academic performance.Study 3 found a similar effect when using questions related to job hunting.All studies indicated that peer-comparison questions are valid for measuring bias in self-evaluation.Thus,future studies could employ peer-comparison questions to investigate the domain specificity versus the domain generality of overconfidence.
文摘作为特高压计能装置的重要组成部分,电容式电压互感器(Capacitor Voltage Transformer,CVT)需要定期进行误差校验,以判断其是否符合准确度等级要求。当前CVT误差校验存在着几个问题急需解决:(1)高抗出线侧CVT交接试验无法在全电压下进行;(2)停电校验困难;(3)校验结果偏离CVT在线状态下的实际值。为此迫切需要开展在线同级比对研究。在此背景下,以特高压CVT的误差特性为研究对象,进行了在线误差校验研究装置和试验方法研究,并将研制的在线校验系统,用于特高压浙福工程中的特高压电容式电压互感器的误差现场试验,获得了CVT在运行过程中的误差特性数据,验证了该方法可以实现对CVT的在线同级比对。
