| 胡恒德,黄 鹏,刘权辉,黄 荷,刘 敏,朱 霞.军医大学学员坚毅性评价的内隐效应及脑电特征研究[J].,2019,19(19):3794-3800 |
| 军医大学学员坚毅性评价的内隐效应及脑电特征研究 |
| A Study on the Implicit Effect and EEG Characteristics of Grit Evaluation of Military Medical University Students |
| 投稿时间：2019-04-20 修订日期：2019-05-16 |
| DOI：10.13241/j.cnki.pmb.2019.19.045 |
| 中文关键词: 坚毅 内隐联想测验（IAT） 内隐效应 N400 LPP |
| 英文关键词: Grit Implicit Association Test Implicit effect N400 LPP |
| 基金项目:军队"十三五"重大项目（AWS17J012） |
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| 中文摘要: |
| 摘要 目的：探寻军医大学学员内隐层面对自我和他人坚毅性评价的特点及脑电特征，为全面、客观的评估个体的坚毅性提供理论依据和客观指标。方法：使用E-Prime2.0参照经典内隐联想范式编制内隐联想-坚毅测验，对100名军医大学学员施测坚毅量表（Grit O），选取高、低坚毅水平被试（各20名）进行内隐联想-坚毅测验，并记录脑电，分析两组被试的内隐效应及主要脑电成分。结果：计算内隐效应D值，t检验显示高坚毅组（0.55±0.36）显著低于低坚毅组（0.87±0.49），t=-2.257，P＜0.05，Cohen' d=0.74。两组被试均诱发明显的N400和LPP，高坚毅组中N400在任务状态下主效应显著，F（1，17）=8.528，P＜0.05，η2=0.334，且在电极位置上主效应显著，F（10，170）=8.207，P＜0.001，η2=0.326。LPP在任务状态下主效应显著，F（1，17）=5.471，P＜0.05，η2=0.243，且在电极位置上主效应显著，F（10，170）=18.479，P＜0.001，η2=0.521；低坚毅组中N400在任务状态下主效应显著，F（1，17）=10.051，P＜0.05，η2=0.372，且在电极位置上主效应显著，F（10，170）=8.223，P＜0.001，η2=0.326，LPP在任务状态下主效应不显著。结论：1.军医大学学员坚毅性评价的内隐效应显著，即均倾向于认为自我的坚毅性高，他人的坚毅性低，通过问卷法评估坚毅性时应考虑坚毅评价的内隐效应。2.高、低坚毅性军医大学学员坚毅性内隐评价时的主要脑电成分N400、LPP存在差异，N400可作为坚毅性内隐评价符合程度的判断指标。3.内隐效应及N400可以作为对军医大学学员坚毅性评价时的客观指标。 |
| 英文摘要: |
| ABSTRACT Objective: To explore the characteristics of assessing the level of grit of self and others among military medical university students and the EEG characteristics of the evaluation process, and to provide theoretical basis and objective indicators for the comprehensive and objective evaluation of the individual's grit. Methods: The construction of Implicit Association-Grit test using E-Prime2.0 program, which is based on Implicit Association Test paradigm. 100 military medical university students (effective subjects were 90) were measured by the Grit O scale. Participants with high and low grit groups (20 each) were selected for Implicit Association-Grit Test, and EEG was recorded. The implicit effects and main EEG components of the two groups were analyzed. Results: The IAT D effect was calculated, independent t-test showed a significant difference between high grit group (0.55±0.36) and low grit group (0.87±0.49), t=-2.257, P<0.05, Cohen's d=0.74. Significant N400 and LPP were induced in both groups. In high grit group, for the N400 component, there were significant main effects for both the condition, F(1,17) =8.528, P<0.05, η2=0.334, and the site, F(10,170)=8.207, P＜0.001, η2=0.326, and for the LPP component, there were also significant main effects for both the condition, F(1,17)=5.471, P<0.05, η2=0.243 and the sites, F(10,170)=18.479, P＜0.001, η2=0.521. In low grit group, for the N400 component, there were significant main effects for both the condition, F(1,17)=10.051, P＜0.05, η2=0.372, and the site, F(10,170)=8.223, P＜0.001，η2=0.326, while for the LPP component there was no significant main effect for the condition. Conclusion: 1.The implicit effect of military medical university students' evaluation of grit is significant, that is, he/she tends to think that the level of grit of self is higher than others. The implicit effect of grit evaluation should be considered when assessing grit by questionnaire. 2. The N400 and LPP components in implicit grit evaluation between the high and low grit military medical university students are different. N400 can be used as a judgment indicator for the degree of accuracy of the implicit grit evaluation. 3. Implicit effect and N400 component can be used as objective indicators for grit evaluation of military medical university students. |
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