Mediating effect of self-control on self-esteem and Instagram use in adolescents. Relationships with academic performance and technological stress

 

 

 

 

 

Efecto mediador del autocontrol sobre la autoestima y el uso de Instagram en adolescentes. Relaciones con el rendimiento académico y el estrés tecnológico

 

 

 

 

 Dr. Francisco José Rubio-Hernández. Universidad Internacional de Valencia. España

 Dra. Adoración Díaz-López. Universidad Internacional de la Rioja. España

 Dra. Vanessa Caba-Machado. Universidad Internacional de la Rioja. España

 Dña. Elena González-Calahorra. Universidad de Nebrija. España

 

 

 

 

 

 

 

 

 

 

 

 

 

Recibido: 2024/07/29 Revisado 2024/09/23 Aceptado: :2024/11/02 Online First: 2024/12/04 Publicado: 2025/01/07

 

 

Cómo citar este artículo:

Rubio Hernández, F. J., Díaz López, A., Caba Machado, V. ., & González-Calahorra, E. (2025). Efecto mediador del autocontrol sobre la autoestima y el uso de Instagram en adolescentes. Relaciones con el rendimiento académico y el estrés tecnológico [Mediating effect of self-monitoring on self-esteem and Instagram use in adolescents. Relationships with academic performance and technological stress]. Pixel-Bit. Revista De Medios Y Educación, 72, 87–101. https://doi.org/10.12795/pixelbit.110171

 

 

 

 

 

 

ABSTRACT

The interrelationships between Instagram use, self-control, self-esteem, technological stress and academic performance in adolescents were explored. A quantitative, cross-sectional, non-experimental design with correlational-exploratory approach was conducted. A total of 158 high school students participated through snowball sampling. Correlation tests and structural equation models were used to analyze the data. The main results were: a) the frequency of use of social networks was associated with worse academic performance, self-esteem and expectations of improvement; b) technological stress and the use of Instagram were linked to lower self-esteem; c) wanting to dedicate more time to study was related to expecting better grades; d) reducing time online made one think of increased academic performance; d) when self-control was considered as an intermediate factor, it was observed that it did have an impact on the relationship between Instagram and self-esteem. In conclusion, although using Instagram and having good self-control do not seem to be directly related to self-esteem on their own, the ability to control oneself when using Instagram does influence how we feel about ourselves, which should be taken into account in future socio-educational interventions.

 

 

 

 

 

 

 

 

 

RESUMEN

Se exploraron las interrelaciones entre el uso de Instagram, el autocontrol, la autoestima, el estrés tecnológico y el rendimiento académico en adolescentes. Mediante un diseño cuantitativo transversal, con enfoque correlacional-explicativo, se encuestó a 158 estudiantes de educación secundaria. Se aplicaron técnicas de análisis correlacional y ecuaciones estructurales.  Los principales resultados revelaron lo siguiente: a) una mayor frecuencia de uso de redes sociales se asoció con un peor desempeño académico y una menor autoestima; b) el estrés tecnológico y el uso específico de Instagram se vincularon con una disminución de la autoestima; c) la intención de dedicar más tiempo al estudio se relacionó con expectativas de mejores calificaciones; d) reducir el tiempo en línea se asoció con la percepción de un mejor rendimiento académico. Además, se observó que el autocontrol actuaba como mediador en la relación entre el uso de Instagram y la autoestima. En conclusión, aunque usar Instagram y tener un buen autocontrol no parecen estar directamente relacionados con la autoestima por sí solos, la capacidad de control al usar dicha red social sí que parece influir, lo cual debe tenerse en cuenta en futuras intervenciones de carácter socioeducativo.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEYWORDS· PALABRAS CLAVES

Instagram, self-esteem, sefl-monitoring, academic performance, technological stress.

Instagram, autoestima, autocontrol, rendimiento académico, estrés tecnológico.

 

 

 

 

 

 

1. Introduction

Technological advances have brought with them new opportunities for communication and participation in society. They have transformed how people appreciate and value life, the family, love and sexuality, and education, significantly affecting adolescents’ perspectives on these aspects (Garzón et al., 2019).

Social networks have become an important communication channel. Nonetheless, despite these advantages, these digital contexts entail risks and dangers, especially for younger people who use internet-connected electronic devices continuously and on a massive scale (Trillo & Rubio, 2024).

At the present time, adolescence is regarded as a crucial stage marked by changes of different types, and social networks, in particular Instagram, have become very important in this population group (Camacho-Vidal et al., 2023). Therefore, it is necessary to understand the relationship between use of Instagram, self-esteem and self-control in adolescents owing to its psycho-socioeducational implications. This knowledge could contribute to their psychological well-being, healthy development and academic performance and to socioeducational interventions that promote positive use of these tools in the digital era, especially when it is possible that comparison with other information or with other people, owing to a lack of self-control in use of social networks (and the idealised image projected in them) causes a drop in self-confidence or self-esteem (Alodia & Suryadi, 2021).

Self-esteem refers to a series of negative and positive feelings, thoughts and beliefs about oneself. It also includes intrapersonal perceptions regarding expectations, skills, intelligence and social relations, which express the extent to which subjects feel that they can be successful or are deserving of something. These assessments can be affected by feedback from the subjects themselves on their own actions, as well as by social feedback by means of external commentaries on the individual’s performance. Nonetheless, self-esteem can undergo changes throughout life, and so is not immutable, being at the mercy of day-to-day experiences (Sánchez-Villena et al., 2021). It is a variable that can allow the person to set in motion actions that are successful or unsuccessful in their immediate context, and it plays a fundamental role in adolescent’s personal development (Usán et al., 2023).

Self-control has been defined as individuals’ force of will to regulate their own behaviours when attempting to achieve objectives that are valuable in the long term (instigating factor), as well as to be capable of restraining themselves when facing temptations or immediate gratifications (inhibiting factor). This self-regulation competence, which is developed during the early stages of life, is necessary to regulate emotions, thoughts and behaviours, as well as to inhibit or withdraw socially unacceptable impulses (Oliva et al., 2019). Individuals’ efforts to modify their reactions and actions can negatively or positively influence their environment. Therefore, low self-control in adolescence could lead to a constant need to pick up electronic devices that are connected to the internet and use their applications and social networks, presenting less capacity to inhibit this impulse (Álvarez & Moral, 2020).

Instagram is a very popular social network among adolescents, where users share photos videos along with short texts (Camacho-Vidal et al., 2023). Through Instagram, adolescents explore large amounts of visual and textual information, often making comparisons between the information they see and themselves. This social network also allows users to modify or embellish images by using different filters, presenting something that is not entirely real and creating a personal story that they can consider their own world even when it is a fairytale (Alodia & Suryadi, 2021). Accordingly, many adolescents edit videos and photos before sharing them to make them as near to perfect as possible (Widiastuti et al., 2023).

Consequently, academic literature has identified the existence of a negative association between use of Instagram and self-esteem, which could mean that people with low levels of self-esteem use these means of communication to escape from the emotions and feelings generated by Instagram, or to achieve higher levels of self-esteem (Andreassen et al., 2017). However, Torres-Serrano (2020) did not find proof of these relationships between variables in her research. Additionally, other studies have shown that intensive use of Instagram is associated with social comparisons that can negatively affect individuals’ self-esteem (Jiang & Ngien, 2020; Sherlock & Wagstaff, 2019) and provoke stress in young people (García et al., 2014; López-Sáez et al., 2024). For example, exposure to idealised images on Instagram can lead users to make unfavourable comparisons with others, which can in turn lead to reduced self-esteem (Sherlock & Wagstaff, 2019; Lo Destro, 2024; Siddiqa et al. 2024), depression (Kim et al.,2021), distorted body image (Camacho-Vidal et al., 2023) and even eating disorders (García-Puertas, 2020).

Furthermore, Zheng et al. (2022) found that self-control is a protective factor in adolescents’ mental health, influencing their levels of self-esteem. On the same line, Suparman (2024) found a positive association between self-esteem and self-control in adolescent subjects, with self-control directly and indirectly affecting their resilience through self-esteem.

Regarding the intersection between self-control and use of Instagram, Hasanah and Halimah (2023) found that self-control had a significant effect on what they called social media disorder with regards to the use of Instagram. Sari and Purwaningtyas (2023) found a moderate association between compulsive use of Instagram and lack of self-control in students. Similarly, Rahmanissa et al. (2023) confirmed the existence of a negative correlation between subjects’ self-control and their addiction to Instagram, with the first variable making a contribution of 60% with regards to the second considering the coefficient of determination (R2).

On a different line, excessive or inappropriate use of social networks in adolescence can result in a distorted perception of reality, encouraging social isolation, mental health problems, such as anxiety and depression, and negatively affecting academic performance owing to procrastination and difficulty concentrating (Díaz-López et al. 2021; Caba-Machado et al., 2023). So, while digital competence makes it possible to take full advantage of the opportunities offered by digital technologies, it is crucial to be aware of the risks associated with their use and adopt safe practices (Rubio et al., 2024).

Therefore, a gap has been identified in the academic literature relating to the analysis of the direct effects of use of Instagram on self-esteem when self-control is involved. Moreover, how frequency of use of social networks in general affects both self-esteem and self-control will be investigated. As far as the researchers are aware, apart from the approach of Oliva et al. (2019), no study has yet tackled this specific aspect. These authors found that subjects with higher social network addiction scores displayed lower self-control levels, suggesting that it is important to promote self-control in adolescents to prevent internet addiction.

Consequently, the following research questions were formulated: How does self-control influence use of Instagram and levels of self-esteem in adolescents? Is there a relationship between levels of self-esteem, self-control, use of Instagram and perceived academic performance in adolescents?

From these questions, a series of objectives were derived:

 

1.    To analyse the direct effect of use of Instagram on self-esteem

2.    To assess the mediating role of self-control in the relationship between use of Instagram and self-esteem.

3.    To identify relationships between frequency of use of social networks and levels of self-control, self-esteem and technological stress.

4.    To detect relationships between perceived technological stress and levels of self-control, self-esteem and use of Instagram.

5.    To explore relationships between perceived academic performance and levels of self-control, self-esteem and use of Instagram.

 

2. Methodology

2.1. Design

Following the lines of Ato et al. (2013), this study is based on empirical non-experimental research. A quantitative focus with a descriptive, correlational, explanatory strategy was used with a transversal data collection design.

 

2.2. Sample

A total of 158 students from compulsory secondary education (ESO) participated in the study having voluntarily responded to the data collection instrument. Non-probability snowball sampling was used to recruit the participants.

The sample comprised 57.6% females (n = 91) and 42.4% males (n = 67). With regards to their academic year group, 48.7% (n = 77) of the participants were in year 2 of compulsory secondary education (ESO), 26.6% (n = 42) in year 1, 15.2% (n = 24) in year 4 and 9.5% (n = 15) in year 3.

The majority of the adolescents (84.8%, n = 134) attended public schools, followed by state assisted private schools (8.2%, n = 13) and private schools (7%, n = 11). With regards to the Autonomous Region (AR), 56.9% (n = 90) of the sample came from Madrid, while 8.2% (n = 13) were from Castilla-La Mancha. There were also responses from adolescents from the Basque Country (5.7%, n = 9), Extremadura (5.1%, n = 8), Castilla y León (13.9%, n = 22) and Murcia (10.1%, n = 16).

The subjects had a mean age of 14.02 years, with a standard deviation of 2.403 years, a minimum of 12 years and a maximum of 17 years.

 

 

2.3. Instrument

The instrument used for data collection had four dimensions: 1) sociodemographic-educational elements (9 items: sex, age, school year, type of school, locality, perceived academic performance, expectations of improved grades, expectations of devoting more time to study, stress from absence of internet). These elements were assessed through dichotomous, polytomous or open numerical responses; 2) frequency of use of social networks in general (10 items) and Instagram in particular (Rubio et al., 2024b) (5 items) (both aspects were assessed through a 4-point Likert scale, from always to never); 3) self-esteem (Rosenberg et al., 2000) (10 items assessed through a 4-point Likert scale, from strongly agree to strongly disagree); 4) self-control (Del Valle et al., 2019) (11 items assessed through a 5-point Likert scale, from a lot to nothing).

The reliability of the instrument was calculated with Cronbach’s alpha (α). A score of α = .85 was obtained for the use of Instagram dimension, α = .72 for self-esteem and α = .75 for self-control. All of the scales had good internal reliability. The reliability of the instrument as a whole gave a figure of α = 0.78, which is considered to be acceptable.

 

2.4. Data analysis

The Statistical Package for the Social Sciences (SPSS v29) program was used to carry out a descriptive analysis of the variables, using measures of central tendency (means), dispersion (standard deviations), skew and kurtosis to comprehend the characteristics of the data.

Before carrying out the analysis of correlation, the Kolmogorov–Smirnov test (K–S) was used to establish whether the variables fulfilled the assumption of normality. As this assumption was not satisfied, it was decided to use a non-parametric correlation coefficient, in this case that of Spearman.

Next, the AMOS (V29) program was used. A measurement model was used to test the factor structure of the Instagram variable as a latent variable. This latent variable comprised four measurement components. The relationships between use of Instagram, self-control and self-esteem were then modelled to test their relationships with one another. The fit of the model was assessed using the most reliable fit indexes (Hu & Bentler, 1999), namely, the relative chi-squared statistic (χ2), root mean square error of approximation (RMSEA), comparative fit index (CFI), Tucker–Lewis index (TLI) and the standardised root mean squared residual (SRMR). The models are considered to fit the data adequately with values of χ2/df ≤ 2 to 3, ≤. 08 for RMSEA (Browne & Cudeck, 1993), ≥. 90 for CFI and TLI with values greater than .95 preferred (Bentler & Bonett, 1980), and values of ≤. 08 preferred for SRMR.

A critical step in structural equations modelling (SEM) is to establish an appropriate sample size, although there is no consensus in the literature on what a sufficient sample size would be (Wang & Wang, 2012). However, the minimum sample size for carrying out SEM is usually held to be N = 100–150 (Anderson & Gerbing, 1988; Ding et al., 1995; Tabachnick & Fidell, 2007; Tinsley & Tinsley, 1987).

 

 

2.5. Procedure

Students from various regions of Spain were contacted. They were sent the questionnaire through instant messaging apps and were asked to spread it around their fellow students. Prior to its administration, the instrument was digitised using Google Forms. Data collection took place between 8 May and 6 August 2023. The research complied strictly with Spain’s Organic Law 3/2018, of 5 December, regarding the Protection of Personal Data and Guaranteeing Digital Rights (2018) and the ethical principles in the social sciences published by the European Commission (2018).

 

3. Analysis and results

3.1. Correlations between the variables of analysis

Statistically significant negative correlations were found between perceived general academic performance and frequency of use of social networks (p ≤ .05), between frequency of use of social networks and self-esteem (p ≤ .01), between the expectation of improved academic results if spending less time on the internet and perceived general academic performance (p ≤ .01), between technological stress and self-esteem (p ≤ .05) and between use of Instagram and self-esteem (p ≤ .01). The correlations were positive and statistically significant between
the expectation of dedicating more time to academic tasks if spending less time on the internet and the expectation of improving academic results if spending less time on the internet (p ≤ .01); between technological stress and frequency of use of social networks (p ≤ .01) and the expectation of improving academic results if spending less time on the internet (p ≤ .05); between self-esteem and perceived general academic performance (p ≤ .01); as well as between the expectation of achieving better results if spending less time on the internet (p ≤ .05) and technological stress (p ≤ .01) (Table 1).

 

Table 1

Correlation, descriptive statistics and reliability of variables

 

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

FUSN (1)

1

 

 

 

 

 

 

 

PAP (2)

-.191*

1

 

 

 

 

 

 

EABR (3)

.092

-.229**

1

 

 

 

 

 

EDMTS (4)

-.089

-.111

.665**

1

 

 

 

 

TS (5)

.319**

-.121

.165*

.140

1

 

 

 

SE (6)

-.375**

.310**

-.143

-.013

-.191*

1

 

 

SC (7)

-.078

.023

.022

.083

-.016

.021

1

 

IG (8)

.520**

-.148

.159*

.031

.407**

-.290**

-.026

1

Mean

3.28

3.92

2.76

2.70

2.07

28.67

35.59

8.18

SD

1.150

.849

.870

.826

.945

6.054

6.38

3.51

α

-

-

-

-

-

.72

.75

.85

Skew

.193

-.867

-.216

-.290

.410

-.125

-.661

.251

Kurtosis

-.919

1.395

-.645

-.369

-.852

-.423

1.448

-1.067

Notes. (1) FUSN = frequency of use social networks; (2) PAP = perceived general academic performance; (3) EABR = expectation of achieving better results; (4) EDMTS = expectation of dedicating more time to studying; (5) TS = technological stress; (6) SE = self-esteem; (7) SC = self-control; (8) IG = Instagram: SD = standard deviation; α = Cronbach’s alpha coefficient *p ≤ .05; **p ≤ .01.

3.2. Structural equations model 

The absolute value of the skew and kurtosis of each variable was within the range of ± 1.96 and below the values for normally distributed data of ±3 and ±10 when using SEM (Brown, 2015).

The model presented in Figure 1 was constructed by testing the relationships between use of Instagram, self-control and self-esteem. Before the analysis, a measurement model was used to test the factor structure of social networks as a latent variable. The factor loadings (≥ .4) (Stevens, 2009) supported a single factor solution. The general model had a good fit (χ2(260) = 327.884, RMSEA = .041 (CI 90% .025–.054), CFI = .943, TLI = .935, SRMR = .0697.

The results indicated that use of Instagram is not significantly related through direct effects to self-control (β = -.591, p > .05), and it is not significantly related to self-esteem (β = -,591, p > .05). Moreover, self-control is also not significantly related to self-esteem (β = 2.590, p > .05). Furthermore, when mediating the relationship between use of Instagram and self-esteem, self-control (β = -1.53) was statistically significant, as shown by the bootstrapping (95% confidence intervals [CI]: -.1.361, -1.083, p ≤ .05) (see Table 2).

 

Table 2

Relationship between the model’s variables

Figure 1

SEM of the Instagram, self-control and self-esteem variables

 

 

4. Discussion and conclusions

The discussion around the impact of use of Instagram on self-esteem is a matter of growing interest in psychological and educational research. Instagram, as a platform characterised by a focus on the image and self-representation, can affect users’ self-perception. Furthermore, poor self-control can lead to problematic use of Instagram, exacerbating social comparisons and their adverse effects on self-esteem (Fard et al., 2023). Therefore, it seems to be important to explore how self-control can mediate the relationship between use of Instagram and self-esteem, considering both the positive and negative aspects of this interaction.

To respond fully to objectives 1 and 2 of this study, which involve analysing the direct effect of use of Instagram on self-esteem when mediated by self-control, the results firstly indicated that use of Instagram did not display a direct significant relationship with self-esteem. This means that the time or intensity with which a person uses this social network do not seem to affect this construct directly. On the same lines, no direct relationship with self-control was found, which could suggest that use of Instagram might not automatically affect people’s capacity to control impulses or behaviours. This might be related to the fact that the influence of social networks on self-control could depend on other contextual or individual factors, such as the type of content consumed or the personal characteristics of the users. These results agree with those found by Jiang and Ngien (2020) and contradict those reported by Fagundes et al. (2020) and those of Camacho-Vidal et al. (2023), who did find a significant relationship. Similarly, no direct relationship was observed between self-control and self-esteem. However, when self-control is considered as a mediating variable, it does play a significant role in the relationship between use of Instagram and self-esteem. In other words, self-control seems to influence how use of Instagram impacts people’s assessments of themselves. One possible explanation for this fact might lie in the management of social comparisons. In this sense, Instagram is a platform that fosters social comparisons owing to the visual and curated nature of the posts (Haller, 2020). Users tend to compare their lives with those of others, which can lead to feelings of insufficiency and low self-esteem, and in this situation, individuals with better self-control can be more capable of handling these comparisons in a healthy way (Martínez-Cardama & Gómez-López, 2023). Another explanation might be that exposure to idealised content on Instagram can inspire negative emotions such as envy, sadness or anxiety, and so a high level of self-control could help people regulate their emotions effectively (Haller, 2020). Furthermore, low self-esteem can be exacerbated by interactions on social networks, where external validation is common and self-control is linked to greater resilience and coping skills that enable people to confront challenges to their self-esteem more effectively.

Another key objective of this study was to identify the relationship between frequency of use of social networks, self-esteem, technological stress and self-control (objective 3). As a result, this study highlights how frequency of use of social networks is negatively related to self-esteem. These results are in line with what Garro-Aburto et al. (2024) reported. It also found that the frequency of use of social networks relates positively to technological stress, results that support the conclusions of Díaz-López et al. (2020), who noted that more frequent exposure to screens correlates positively with greater technological stress. One striking finding is that no relationship was found between frequency of use of social networks and self-control. This result is consistent with the work of Álvarez-Menéndez and Moral-Jiménez (2020), which highlights how adolescents who report problematic use of social networks often face deficits in self-control, but this does not imply that frequent use of social networks directly causes lower self-control (Álvarez-Menéndez & Moral-Jiménez, 2020). From this perspective, research also suggests that emotional regulation, which is related to self-control, is not always negatively affected by use of social networks. This supports the idea that the relationship between these variables is complex and possibly indirect (Granados et al., 2020).

To respond fully to objective 4, the relationship between perceived technological stress and levels of self-control, self-esteem and use of Instagram were analysed. In this framework, technological stress relates positively to use of Instagram. These findings are in line with those reported in a review study of stress, which concluded that more frequent social network use is related to higher stress levels (Keles et al., 2020; López-Sáez et al., 2024) They contrast with other outcomes where there was no significant difference in self-reported stress levels of people who use Instagram and people who do not (Brailovskaia & Margraf, 2018). Moreover, technological stress is negatively related to self-esteem, agreeing with the study by Korzynski et al. (2021). However, no relationship was found between technological stress and self-control, which differs from what was observed by Wang et al. (2021), who reported that technostress can indirectly harm young people’s self-control. 

Finally, for objective 5, the relationships between perceived academic performance and levels of self-control, self-esteem and use of Instagram were analysed. It was found that expecting that spending less time on Instagram would lead to improved academic results was related to frequency of use of Instagram. These results are in line with what was reported by Díaz-López et al. (2020) on the internet in general and by Muñoz-Franco et al. (2023) on TikTok in particular. Both studies concluded that young people who state that they would spend more time on schoolwork and studying if they spent less time online, display a greater frequency of use of applications and lower grades. In addition, the expectation that spending less time on Instagram would lead to improved academic results is also related to self-esteem. One possible explanation for this could relate to the fact that adolescents’ academic performance directly affects their self-esteem and self-concept (Luo et al., 2020).

This study has some limitations. First, the sample size is not representative and the sampling was done through a non-probability criterion with fewer males than females. This is justified by the study being exploratory and the sampling being a first approach that led to faster data collection. In doing so, the criteria of accessibility of the interviewers were taken into account. This reservation can be overcome by expanding the sample to include other schools that provide obligatory secondary education, making it possible to reach conclusions that are more conclusive than the ones already reported based on our data. A second limitation would relate to the scope of the instrument and social desirability bias as self-reports were used in research that addresses topics relating to critical analysis of behavioural traits. With regards to the artefact, it should be noted that no pilot study process was performed as the survey was based on previously validated scales.

It can therefore be concluded that the effect of Instagram use on users’ self-esteem is wholly mediated by their levels of self-control. So, while use of Instagram is not in itself directly related to self-esteem, the presence of self-control does mediate this relationship, enabling users to handle social comparisons better and regulate their emotions when faced with the idealised content on the platform. It was also found that greater frequency of use of social networks relates to an increase in technological stress, lower self-esteem and worse perception of academic achievement. Finally, the fact that technological stress negatively affects self-esteem is a notable finding. These findings may have some practical implications and present lines for further research. Accordingly, the conclusions of this research could be taken into account when designing interventions for children and adolescents relating to responsible use of the internet in general and social networks in particular. Similarly, it seems appropriate to replicate this study with other social networks, such as TikTok or Snapchat, to see if similar results are found and be able to trace patterns of behaviour according to the networks used. In the same way, incorporating the risks of using social networks, such as reduced self-esteem, into the training programmes intended for parents would seem to be worthwhile. Finally, socioeducational policies should address this question and start to regulate the use of social networks, considering banning them at certain ages as is already done in other settings such as Australia and Florida.

 

Author Contributions

F.J.R-H. (Conceptualisation, Data curation, Formal analysis, Investigation, Methodology, Writing - original draft, Validation, Writing – revision and editing), A.D.-L (Conceptualisation, Writing – original draft, Validation, Writing – revision and editing), V. C.-M. (Formal analysis, Writing – original draft, Validation, Writing – revision and editing), E.G.-C. (Investigation, Writing – revision and editing).

 

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