Keywords
COVID-19; perceive; preventive behavior; Health Belief Model; Indonesia
This article is included in the Emerging Diseases and Outbreaks gateway.
COVID-19; perceive; preventive behavior; Health Belief Model; Indonesia
The world is currently besieged by the COVID-19 pandemic.1 As of February 7, 2022, there were 394,381,395 confirmed cases of COVID-19, with the World Health Organization (WHO) reporting 5,735,179 deaths.2 The COVID-19 pandemic in Indonesia from mid-2021 until the end of 2021 reached its peak (second wave) when it was dominated by the Delta variant.
COVID-19 prevention regulations largely depend on community compliance and behavior. While changing behavior is a significant challenge in health interventions. An AC Nielsen survey (2020) in six major cities with a total of 2,000 respondents, in collaboration with the United Nations International Children’s Emergency Fund (UNICEF), found that less than one-third (31.5%) of all respondents practiced all three-preventive activities (wearing masks, washing hands, and social distancing). Over one-third (36%) practiced only two of the three-preventive behaviors, less than one-fourth (23.2%) practiced only one of the three behaviors, and almost one-tenth (9.3%) did nothing at all.3 A number of studies described the associations between socio-demographic characteristics and people’s levels of perceptions about the severity of COVID-19 with their preventive behavior.3–10
Based on the official government report (see https://covid19.go.id/monitoring-kepatuhan-protokol-kesehatan), some areas of Indonesia showed a compliance rate of only 60% till January 2022.11 The aim of this study was to examine changes in community behaviour to prevent local COVID-19 transmissions and changes in community perceptions about the severity level of COVID-19. The following research questions were formulated: 1) What constitutes as the community perceptions of COVID-19? 2) Is there an association between community perception and community preventive behaviour using the Health Belief Model (HBM) approach? And 3) what kind of model of preventive behaviour on COVID-19 can be predicted using the structural equation model (SEM)?
This was a cross-sectional study using Google forms with structured survey questionnaires. The questionnaires have been tested with 30 respondents before the survey was conducted. The proportion of a large population was used to figure out the sample size for a variable, which was used to figure out the minimum sample size.12 The margin error=5%, p=50%, and Zα=95%. The minimum sample size for this study was 385 respondents. The data collection was conducted over two weeks from July 14–26, 2021, using WhatsApp, Line, and Telegram. To expand the coverage throughout Indonesia, social media influencers were asked to distribute the survey through Twitter and Instagram. The respondents who participated in this study were aged 15–62 and Indonesian citizens. On average, it took 20–25 minutes to complete the form. Respondents signed informed consent forms before completing the survey. The total final number of respondents was 1,802.
The HBM was employed as a primary reference to measure perception and preventive behavior on COVID-19. The HBM considers several main concepts that predict why people will take action to prevent, including individual characteristics, perceived susceptibility, severity, benefit, and self-efficacy.13 This study consisted of 45 observed variables and six latent variables.
Individual characteristics were represented by residence (R), age (A), gender (G), educational level (E), and occupation (O). Perceived susceptibility, severity, benefit, barriers, and self-efficacy are latent variables in this study. All questions in in the questionnaire in each latent variable were answered using a five-point Likert scale: 1 (strongly disagree), 2 (disagree), 3 (neutral), 4 (agree), and 5 (strongly agree). Observed variables X1-14, S1-5, BEN1-5, BAR1-5, and SE1-5 were used to measure perceived susceptibility, severity, benefit, barriers, and self-efficacy, in that order.
Community preventive behavior was represented by six indicators in Figure 1 which include frequency of hosting (BHV1), frequency of visiting others (BHV2), frequency of work/study from office/school (BHV3), frequency of handshaking (BHV4), frequency travelling to a red zone (BHV5), and frequency of leaving the house when you are not feeling well (BHV6).
Structural equation modelling (SEM) is a multivariate statistical analysis technique that is used to analyze structural relationships. This technique is the combination of factor analysis and multiple regression analysis, and it is used to analyze the structural relationship between measured variables and latent constructs. The authors used Lisrel version 8.8 software to construct the covariance-based SEM. SEM analysis can also be done using R. Steps of doing SEM analysis using R as follows15:
a. Draw model
b. Input data in the form of covariance or correlation matrix
c. Identify the model
d. Assess parameter estimates
e. Assess fit measure (chi-square, degree of freedom, residual matrix, GFI, RMSEA)
f. Check the modification indices
g. Rerun the model till we get the best fit of the data to the model ad theory.
The six latent variables were perceived susceptibility, severity, benefit, barriers, self-efficacy, and preventive behavior. The 45 observed variables were presented in Table 1 include construct that build by all the observed variables.
Descriptive statistics were presented as numbers and percentages for individual characteristics, and bar charts for perceptions and behavior. Descriptive statistical analysis was performed using IBM Statistical Package for the Social Sciences (SPSS) version 27 and presented using Microsoft Excel. The descriptive analysis simply can also be completed using Microsoft Excel. The SEM analysis was carried out using the following steps:
Perceived was categorized based on the total score. Good/high perceived were those who chose to “strongly agree” on every question. Regarding behavior, good behavior occurs if the respondent states never or rarely. Rarely was included in the category based on the assumption that people might be challenged to practice preventive behavior related to other factors that require them to leave, such as the environment or critical social activities that cannot be abandoned.
The study results are presented in several parts sequentially, starting with the respondent’s characteristics, followed by the descriptive statistics of the independent variable (community perception of the level of severity of COVID-19 disease), the descriptive statistics of the dependent variable (composite variable of community behavior), and the SEM analysis results.
Most of the respondents lived in the city (46.1%) and a housing area (36.1%), and only a few lived in villages (16.6%). A large majority of the respondents were women (74.5%), and approximately 80.0% were students and workers (Table 2).
In terms of perceived susceptibility (Table 3), more than half of respondents (>50%) chose to strongly agree to practice recommended behaviors such as social distancing at least 1-2 meters in public areas; almost half of them strongly agree that they had a low risk of getting COVID-19 when avoiding using public transportation, practicing work/study from home, handshaking, and travelling to a red zone. Most respondents also strongly agree that if they are exposed to COVID-19, it will affect their health if they do not practice recommended behaviors. Likewise, concerning perceived benefit, more than 50% of respondents strongly agree that they can avoid getting COVID-19 if they practice these behaviors. In terms of perceived barriers, less than 20% felt that it would be challenging to implement the recommended behaviors. Regarding self-efficacy, this is defined as the conviction that one can successfully practice a certain behavior,13 the survey showed that less than 50% were confident that they could implement the recommended behavior.
For each type of recommended behavior as mentioned in Table 1 to prevent the transmission of COVID-19, more than 50% of respondents never and rarely hosted, visited others, worked from the office/school, shook hands, travelled to a red zone, and left the house when not feeling well (Figure 1).
Based on the composite of each perceived item, it was found that only 16% of the respondents had a high percentage of good perceived susceptibility; perceived severity was 43%, perceived benefit was 54%, perceived barrier was 3%, self-efficacy was 19%, and only 60% of respondents practiced good behaviours.
The second step in SEM analysis is to run the identification of observed variables. A general requirement for identifying any type of model in SEM are the model’s degrees of freedom which must be a least zero (dfM ≥ 0). Hence, the solution to meet the requirement is to identify whether the model is under identified, just identified, or overidentified. Overidentified is mandatory in order to meet the requirement. An overidentified structural equation model is identified and has more observations than free parameters (dfM>0)(2). In this study, we found the degree of freedom value to be 821, hence it was concluded that the model was over-identified. Thus, the next step of the analysis can be completed.
Construct validity was performed to test whether the instrument or measurement variable could describe the latent variable correctly and precisely. For this, two tests were conducted: validity, which consisted of convergent and discriminant validity, and reliability.14 A convergent validity test examined the loading factor value of the measurement variable in each latent variable construct. If the loading factor value was greater than 0.50, the latent variable construct had good convergent validity.14 The results of the convergent validity test showed that almost all items in this study had a loading factor value of more than 0.5, except for items X11 and BHV3. These two items have a loading factor of ≤ 0.5, which indicates that they do not meet the criteria for convergent validity. Hair et al. (2019) stated that items with low loading factors that do not meet the limits of convergent validity should be excluded from the measurement of latent variables. Therefore, items X11 and BHV3 in this study were not included in the measurement of the latent variable. The convergent validity test was then carried out for a second time. All of the items had good convergent validity, which was shown by loading factor values of more than 0.5. The discriminant validity test was carried out by comparing the root value of each latent variable’s average variance extracted (AVE) with the correlation of these latent variables with other latent variables. If the root value of the variable AVE was greater than the correlation of the variable with other variables in the model, the indicator/question item had good discriminant validity.
Table 4 shows the AVE root value for each latent variable and the correlation coefficient between the latent variables. The value of the AVE root is shown as the value on the diagonal of the matrix, while the values beside and below the AVE root are the correlation coefficients between two pairs of variables. The results of the evaluation of discriminant validity show that the root value of AVE in each latent variable is greater than the correlation coefficient of the latent variable with other latent variables in the structural model. Thus, it can be stated that the items/instruments in this study have good discriminant validity.
The construct reliability test was done by examining the composite reliability value. If the combined reliability value is greater than 0.7, it can be said that the variables in the study already have reliable indicators/question items.16 All latent variables were found to have a composite reliability value of more than 0.7, which means that each variable has a consistent measurement indicator and good internal consistency.
Two analyses were conducted to evaluate the structural model validity:1) dependency test and 2) assessing the goodness-of-fit of the model.
The dependence relationship test was employed by looking at the path coefficient and its p-value in the structural model. The path coefficient shows the magnitude and direction of the relationship between the two variables. According to Table 5, sex had a statistically significant relationship with perceive susceptibility; perceive susceptibility had a statistically significant relationship with perceive severity; age, sex, and education had significant relationships with perceive benefit; perceive benefit, resident, and sex had a significant relationship with perceive barrier; and perceive barrier and occupancy had a significant relationship with perceive self-efficacy. Regarding behavior, only perceived barriers and self-efficacy had statistically significant relationships with COVID-19 prevention behavior. The final structural model is as follows: behaviour = - 0.018*susceptibility - 0.041*severity - 0.00045*benefit + 0.39*barrier - 0.13*self-efficacy.
The goodness-of-fit model assessment results in Table 6. showed that none met the goodness-of-fit criteria. Therefore, the structural model in this study was not a fit for the data and was not a fit for describing the empirical phenomenon under study.
The results of grouping all perceived items showed that only a few respondents (16%) had beliefs about the chances of experiencing COVID-19 (perceived susceptibility), but 43% of respondents believed how serious the COVID-19 effects were on their health. More than half of the respondents believed that the recommended behaviors to prevent COVID-19 infection could protect them from getting an infection (perceived benefit). Only 3% of respondents believed some things hindered the practice of recommended behaviors (perceive barrier), and only 19% believed that they could practice the recommended behaviors (perceive self-efficacy). This study’s results are similar to those conducted in India, Sri Lanka, Iran, and Ethiopia.8,10,18,19 The HBM theory holds that people are likely to practice preventive behaviors or actions if: 1) They believe that it will reduce their risks,13 2) They believe themselves to be susceptible to COVID-19 infection, 3) They believe that this condition would have a potentially serious impact, 4) They believe that recommended actions/behaviours would be beneficial in reducing their susceptibility to or severity of the virus infection, and 5) They believe that the anticipated benefits of doing preventive behaviours/actions outweigh the barriers.
Perceived susceptibility was not a significant predictor of behavior in this study. This finding is consistent with studies that measured adherence to COVID-19 precautionary measures in China20 and Korea.21,22 A study that used a HBM framework to look at how Saudi Arabian students at Jazan University felt about the COVID-19 vaccine found that perceived susceptibility was not a good predictor of how they felt about getting the vaccine.23 However, a similar study conducted in Malaysia found that high perceived susceptibility to COVID-19 infection was also associated with the behavior of vaccination intention.24 A study that measured student behavior in the US related to non-pharmaceutical interventions (hand washing with soap and water, use of hand sanitizer, wearing a face mask in public, and practicing social distancing) found that perceived susceptibility was associated with multiple interventions more frequently.25
A previous study conducted by Du Min et al. found that low perceived risk was associated with vaccine hesitancy.26 As with perceived susceptibility, perceived severity was not a significant predictor of preventive behavior in this study. Several studies regarding behavior change using BHM had similar results.22,24,25 Perceived severity, on the other hand, was a significant predictor of preventive behaviors.8,20–23,27 Perceived benefit is one predictor that is not a significant predictor of preventive behavior. This finding is inconsistent with several studies that used BHM to predict behavior change, particularly in relation to COVID-19 prevention.8,20,21,23–27
This study revealed that the perceived barrier was a significant predictor of COVID-19 preventive behaviour. This result is different from a behaviour study conducted in Sri Lanka and Iran, which found that perceived benefit and self-efficacy had a significant positive relationship to COVID-19 prevention behaviour.10,28 However, these results were similar to a study conducted in Ethiopia that measured student eating behaviour using the HBM theory in the US29 and other behavioural studies in Iran, India, and Hong Kong.8,19,30 This study also found that perceived self-efficacy was a significant predictor of COVID-19 preventive behaviour. The results show that, with lower self-efficacy, people were likely to practice COVID-19 prevention behaviour. This result is similar to several studies that examined behaviours using the BHM theory. Those studies found that perceived self-efficacy has a significant relationship to behaviour.10,18,19,21,28,31 In contrast, a study that assessed the student’s behaviour on the non-pharmaceutical intervention of COVID-19 found that perceived self-efficacy was not a significant predictor of behaviour change. In theory, an individual with good self-efficacy tends to practice recommended action/behaviour,13 which is the preventive behaviour of COVID-19. However, this study was unable to confirm these findings.
The findings in this study illustrated that most respondents (97%) had no barriers to practising the recommended behaviour. Still most respondents (81%) were not confident that they could fully implement the recommended prevention behaviours. As many as 60% of respondents practised COVID-19 prevention behaviour well. In knowledge attitude practice (KAP) studies conducted in Indonesia, this finding (percentage of good behaviour) tended to be lower than the other two findings in Indonesia, where the rate of those who performed the correct behaviour for the prevention of COVID-19 was more than 90%.32,33 Studies conducted in other countries also found that respondents who practised COVID-19 prevention behaviours were relatively high (>70%), such as in China, Nepal, Malaysia, Vietnam, and India.34–38
Fundamentally, perceived susceptibility and severity affect how a person decides to act.13 However, most respondents (84%) had low perceived susceptibility in this study. This means that most respondents did not believe that they were also at risk of being affected by COVID-19. This perception represented an obstacle for someone to implement recommended behaviour. It was also known that only 43% believed that if they were infected with COVID-19, they would experience harmful consequences for their bodies. Only half of the respondents believed that the recommended behaviour was able to protect them from COVID-19. This might relate to the information they obtained day-to-day. It was possible that most of them did not have a clear idea about the pathophysiology and epidemiology of COVID-19, made worse by unreliable news or hoaxes circulated on social media, which may have increased negative perceptions about COVID-19.8,39
Regarding obstacles to implementing the recommended behaviour, a few respondents said it was extremely difficult to implement the behaviours (3%). This overall perception then leads to a low belief that respondents are able to implement the recommended behaviour. As a consequence, it will affect COVID-19 prevention behaviour practice. Perception is theoretically influenced by many factors, including demographics and level of knowledge.8,10,13,18,32,33 A study conducted in China found that knowledge was influenced by educational level and domicile.34 Good knowledge can form a good attitude, which then creates a good perceived.40,41 COVID-19 was a pandemic that touched almost every facet of human existence. People had to adjust their daily routines to accommodate local government rules in order to reduce the virus transmission, and these behavioural shifts may last long after the disease has passed.42 Increasing the respondents’ knowledge is essential to narrowing the gap between knowledge and practice, including myths, hoaxes circulating about COVID-19, and facts. Several important factors that may affect perceived self-efficacy are related to social norms and trust43 in the community. Unfortunately, neither of these factors (including knowledge) was investigated in this study.
The structural model of COVID-19 prevention behaviour in this study was not intended to describe the empirical phenomenon of preventive behaviour. Byrne stated that, if possible, researchers are advised to modify the model by using modification indices (MI) in SEM testing. He said that models with an MI score of more than 10 deserve attention for modification.44 Already it has proved that to confront the increase in demand for care, the need for long-term care workforce, and the costs associated with care.45 However, Hair et al. suggested that modifying the model should not change the model’s structure significantly.16
This several studies found a gap in knowledge to inform changes in policies on infection-prevention measures in the community, community infection procedures, the frequency of testing, etc.8,39,46 The unreliable information may increase the negative perception of COVID-19, leading to the community’s obedience to suggested preventive behaviors.39 Moreover, people are more worried about their families and economic conditions due to the spreading pandemic than about complying with lockdown or restriction policies. Several factors that might be related were not examined in this study, such as level of knowledge, social norms, or trust.
Due to the social restrictions (the outdoor community activities are limited by the government based on the law announced every two weeks except for emergency purposes) in Indonesia, the data collection was conducted using a Google form without using a selected sampling method. Thus, the total number of respondents in this study was not representative of the total population in Indonesia and the entire territory of Indonesia. In addition, the entire population of Indonesia did not have the same opportunity to be selected as respondents due to limitations related to internet coverage and utilities. Since the prevalence and impact of COVID-19 are changing dramatically, across-sectional studies were not the best method for describing the changes. Better results might be possible using a longitudinal study.
This study found that more than half of the respondents still had low perceived susceptibility and severity, but more than half had high perceived benefits. Only a few respondents had significant barriers to implementing COVID-19 transmission prevention behaviors. Still, most respondents had low perceived self-efficacy, and only 60% had good behaviors related to COVID-19 prevention.
The results of this study can assist policymakers in developing health interventions related to the preventive behavior of COVID-19 transmission in the community. We recommend increasing perceived susceptibility and severity by providing the correct information about COVID-19 in the local cultural context. The results of this study can also be used as a reference for evidence-based policies so that the government can prioritize the types of interventions to improve public understanding and compliance to prevent the transmission of COVID-19.
The findings of similar studies conducted in other countries showed some consistency. By improving perceived susceptibility and severity, there would be an increase in respondents’ knowledge, increasing perceived susceptibility and severity. The results of this study can, not only be used for COVID-19 prevention policies but can also be used as a reference in making prevention policies against many types of diseases that require community behavior changes. Therefore, when making policies, there are stages that must first be met so that behavior can change, as described in the results of this study.
The Commission approved this study for Research Ethics and Public Health Service, Faculty of Public Health, University of Indonesia Number: Ket-436/UN2.F10. D11/PPM.00.02/2021.
All authors made substantial contributions to this research and approved the final manuscript. TE and TS contributed to every step of the study (research concept, design, data interpretation, writing, and review). SP contributed to the research review.
Dyrad. Data for: Community perception and COVID-19 prevention, https://doi.org/10.5061/dryad.pnvx0k6rp. 47
This project contains the following underlying data:
• DATA_FINAL_tio-edit2.csv (Data include all variables in the questionnaire. The data contain 1802 respondents and 89 variables. The variable names of questions 1–23 were given according to the keyword in each question, while the variable names for question number 24–35 were specified according to the question’s number and its answer option. It is recommended to read the variable code definition in sheet 2 and the area code in sheet 3.)
Data are available under the terms of the Creative Commons Zero “No rights reserved” data waiver (CC0 1.0 Public domain dedication).
Figshare. IMPLEMENTATION OF SOCIAL POLICY DISTANCING IN EFFORT PREVENTION COVID-19 IN INDONESIA. https://protect-us.mimecast.com/s/qsa7CkRwomfYPpGvjC2JN1U?domain=doi.org 14
This project contains the following supplementary material:
• Kuesioner Penelitian.pdf (the google questionnaire used in this study), https://doi.org/10.6084/m9.figshare.23292686.v2. 48
Data are available under the terms of the Creative Commons Attribution 4.0 International license (CC-BY 4.0).
The authors are grateful to Prof. Dr. Dewi Susanna, dra, MS., who facilitated and supported the research process, and Universitas Indonesia for financial support. We also thankful to all respondents who were willing to involve in this study by signing the informed consent prior to answer all the questions.
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Is the work clearly and accurately presented and does it cite the current literature?
Partly
Is the study design appropriate and is the work technically sound?
No
Are sufficient details of methods and analysis provided to allow replication by others?
Partly
If applicable, is the statistical analysis and its interpretation appropriate?
Yes
Are all the source data underlying the results available to ensure full reproducibility?
Yes
Are the conclusions drawn adequately supported by the results?
Partly
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Psychology (Crises Prevention and management)
Is the work clearly and accurately presented and does it cite the current literature?
Yes
Is the study design appropriate and is the work technically sound?
Yes
Are sufficient details of methods and analysis provided to allow replication by others?
Yes
If applicable, is the statistical analysis and its interpretation appropriate?
Partly
Are all the source data underlying the results available to ensure full reproducibility?
Yes
Are the conclusions drawn adequately supported by the results?
Partly
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Nutrition Department
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We already revised almost all part according to your input. Following are our response:
Abstract
The abstract session will be ... Continue reading Thank you for your valuable inputs to this paper.
We already revised almost all part according to your input. Following are our response:
Abstract
The abstract session will be revised according to the article’s revision. The number will be put accordingly. The conclusion of relationship between self- efficacy and perceived was made based on statistical test. It will be added in the abstract.
Methodology
Due to the social restriction during the pandemic, the data was collected using google form. We did not do any specific treatment to limit the frequency of people submission as well as the respondents location. We also could not prevent respondent from other country to fill the link. However, when we did data cleaning, we erased data which is not located in Indonesia and having the same identity.
Because of data in this study was collected through google link, the respondent indeed did not distributed evenly in all area in Indonesia and not to mention to represent and that is for sure could not represent all Indonesian population.
Thus, this study is vulnerable to information and selection bias.
All this information will be added in the article as our study limitation including our suggestion to minimize the bias for the further study.
Study and sample
As we already wrote down in limitation part, sample in this study is not representing Indonesian population. We only distributed the link as much as we can and even engage with social media influencer to speed up the distribution. We wanted to collect as much as we can during the data collection time with the minimum sample size as our benchmark.
As mentioned previously, we cannot control response from other country, as well as double respondent, however when we did data cleaning, we dropped out respondent who are not located in Indonesia and having the same identity.
Indeed, this situation somehow my lead to the information and selection bias. Hence, we also provided our recommendation for further study.
Conceptual model
This study employed HBM theory as the conceptual framework and the data was collected according to each variable mentioned in the theory. The framework was described in the article both in Figure 1 and Table 1. The point of using SEM is to test a theory by specifying a model that represent predictions of that theory among plausible constructs measured with appropriate observed variables. In this study, we tested the HBM theory using the collected data. The output of this analysis is to identify whether the analysis deals with substantive theoretical issues regardless of whether or not a model is retained. Thus, in principle, the analysis in this study did not highlight/emphasize the statistical relationship among 2 variables, instead a model as a whole. We will add the explanation in the paper,
Grammatical Error, Result, Discussion, and Conclusion with Limitations and Implications >> we directly revised in the document
We already revised almost all part according to your input. Following are our response:
Abstract
The abstract session will be revised according to the article’s revision. The number will be put accordingly. The conclusion of relationship between self- efficacy and perceived was made based on statistical test. It will be added in the abstract.
Methodology
Due to the social restriction during the pandemic, the data was collected using google form. We did not do any specific treatment to limit the frequency of people submission as well as the respondents location. We also could not prevent respondent from other country to fill the link. However, when we did data cleaning, we erased data which is not located in Indonesia and having the same identity.
Because of data in this study was collected through google link, the respondent indeed did not distributed evenly in all area in Indonesia and not to mention to represent and that is for sure could not represent all Indonesian population.
Thus, this study is vulnerable to information and selection bias.
All this information will be added in the article as our study limitation including our suggestion to minimize the bias for the further study.
Study and sample
As we already wrote down in limitation part, sample in this study is not representing Indonesian population. We only distributed the link as much as we can and even engage with social media influencer to speed up the distribution. We wanted to collect as much as we can during the data collection time with the minimum sample size as our benchmark.
As mentioned previously, we cannot control response from other country, as well as double respondent, however when we did data cleaning, we dropped out respondent who are not located in Indonesia and having the same identity.
Indeed, this situation somehow my lead to the information and selection bias. Hence, we also provided our recommendation for further study.
Conceptual model
This study employed HBM theory as the conceptual framework and the data was collected according to each variable mentioned in the theory. The framework was described in the article both in Figure 1 and Table 1. The point of using SEM is to test a theory by specifying a model that represent predictions of that theory among plausible constructs measured with appropriate observed variables. In this study, we tested the HBM theory using the collected data. The output of this analysis is to identify whether the analysis deals with substantive theoretical issues regardless of whether or not a model is retained. Thus, in principle, the analysis in this study did not highlight/emphasize the statistical relationship among 2 variables, instead a model as a whole. We will add the explanation in the paper,
Grammatical Error, Result, Discussion, and Conclusion with Limitations and Implications >> we directly revised in the document