Summary: | Yuan Yu,1 Huihong Li,2 Ying Sun1 1Department of Education, School of Education, Tianjin University, Tianjin, People’s Republic of China; 2Administration Department, Tianjin Experimental Kindergarten, Tianjin, People’s Republic of ChinaCorrespondence: Ying SunDepartment of Education, School of Education, Tianjin University, Tianjin, People’s Republic of ChinaTel +86 22 2740 5948Email sunyingtju@126.com
We read with great interest the article by Styk et al.1 In their study, the authors found that persistence is associated with body image which evaluated by subjective body weight assessment. In addition, a positive correlation between the distractor resistance index and body mass index (BMI) was found. We wish to express our opinion on the topic and statistical method in this research. View the original paper by Wojciech Styk and colleagues
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