|LETTER TO EDITOR
|Year : 2019 | Volume
| Issue : 4 | Page : 217-218
The relationship between self-esteem and academic achievement of Iranian nursing and medical sciences students: A meta-analysis letter
Kourosh Sayehmiri1, Reza Valizadeh2, Hamed Tavan3
1 Department of Biostatistics, Psychosocial Injuries Research Center, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran
2 Department of Psychiatry, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran
3 Department of Nursing, Student Research Committee, Faculty of Nursing and Midwifery, Ilam University of Medical Sciences, Ilam, Iran
|Date of Web Publication||14-Oct-2019|
Department of Nursing, Faculty of Nursing and Midwifery, Ilam University of Medical Sciences, PO Box: 69391-77143, Ilam
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Sayehmiri K, Valizadeh R, Tavan H. The relationship between self-esteem and academic achievement of Iranian nursing and medical sciences students: A meta-analysis letter. Nurs Midwifery Stud 2019;8:217-8
|How to cite this URL:|
Sayehmiri K, Valizadeh R, Tavan H. The relationship between self-esteem and academic achievement of Iranian nursing and medical sciences students: A meta-analysis letter. Nurs Midwifery Stud [serial online] 2019 [cited 2020 Feb 22];8:217-8. Available from: http://www.nmsjournal.com/text.asp?2019/8/4/217/269093
A recent article published in this journal discussed the academic success of college students and introduced an instrument for measuring it  but did not discuss the factors affecting it. Self-esteem (SE) is one of the factors behind the students' academic achievement. It also affects the clinical performance of nursing, midwifery, and other medical sciences students. SE is a person's satisfaction toward oneself, and a sense of being valued. A number of studies have investigated the relationship between SE and academic achievement in nursing and other medical sciences students and reported positive correlation.,, However, no specific review study in this regard is available among Iranian medical sciences students. Therefore, this study aimed to conduct a meta-analysis study to explore the relationship between SE and academic achievement of Iranian medical sciences students.
The search was done in national and international databases, including Magiran, IranMedex, Scopus, PubMed, Web of Science, and the Google Scholar search engine. The keywords were self-esteem, academic achievement, nursing, midwifery, medical, and students. Study selection and data extraction were done by two independent researchers. The search was done on March 1, 2019, without any time limit. The study was done based on the protocol for reporting a systematic review and meta-analysis.
Assessing the nursing and other medical sciences students' SE and academic achievement (i.e. the grade point average) and their relationship, being conducted in Iran and being published in Persian or English languages were selected as the criteria for inclusion of the studies. The correlation coefficient was selected as the estimate for effect size. Considering the correlation coefficient score within the range of −1≤r≤−1 and also the nonnormal distribution of the coefficient, the value was normalized applying equation. Then, the standard deviation was calculated using formula. Finally, the meta-analysis was performed on Z scores, and then the Z values were transformed to the correlation coefficient (r) using equation.
[Figure 1] shows the steps for searching and selection of the studies and [Table 1] presents the characteristics of the included studies. [Figure 2] illustrates the association between academic achievement and SE among the medical sciences students. The mean correlation coefficient between the academic achievement and SE scores was obtained as r = 0.20 (95% confidence interval: 0.18-0.22. The Chi-square was 4.72 (df = 5, P = 0.000) and the I2 showed low heterogeneity. The I2 is a numerical index for estimating ratio of the variance between studies and is utilized as a surrogate for probability index. The I2 values ≤25%, 26%–75%, and >75% signifies low, medium, and high heterogeneity, respectively. Due to the small number of studies, it was impossible to conduct a subgroup analysis. However, it can be concluded that SE can improve academic achievement in medical sciences students. Due to the crucial effect of SE on academic achievement and clinical performance of nursing and other medical sciences students, special actions should be taken to strengthen the SE of these students. Assessing the effect of active and student-centered teaching methods on the students' SE and their academic and clinical performance is recommended.
|Figure 1: The flowchart for inclusion of studies in systematic review and meta-analysis|
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|Figure 2: Forest plot of the relationship between academic achievement and self-esteem scores in medical sciences students|
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The author would like to thank the Deputy of Research and Technology of Ilam University of Medical Sciences for financially supporting the project. This was a research project approved by the Ilam University of Medical Sciences.
Financial support and sponsorship
This study was supported by the Ilam University of Medical Sciences. (Ethical code: IR.MEDILAM.REC.1398.075).
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]