Parallel Multiple Mediator Model Research Articles

Cannabis Consumption Onset and Addiction: Data from the Second Brazilian Drugs and Alcohol Survey (BNADS)

ABSTRACT The objective of this study was to provide rates of cannabis use and dependence and risk factors, proposing a conditional path model for cannabis addiction. A subsample of adult participants from a Brazilian household survey was analyzed to estimate cannabis dependence. Estimation of prevalence rates and association between dependence and age of cannabis use initiation were performed. The conditional model was applied to investigate the mediation of depressive symptoms and alcohol consumption in the association of early cannabis use and dependence. Lifetime and last year cannabis use were 6.47% and 2.81%, respectively. Moderate and severe cannabis dependence were 0.74% and 0.18% in the population, and 26.47% and 6.38% among last year’s cannabis users. A Parallel Multiple Mediator Model revealed strong association between cannabis use initiation age and dependence, when depressive symptoms or alcohol consumption mediate this association. The proportion of cannabis users displaying dependence symptoms is elevated and it is associated with the age of cannabis use initiation. The results show the importance of primary prevention interventions, prioritizing the delay of cannabis and alcohol experimentation. Our findings can enrich the debate on drugs policies and legislation, reinforcing the need for stronger restrictions of adolescent drug access and ensuring its enforcement.

Visual Cognition and Experience Mediate the Relation between Age and Decision Making in Youth Volleyball Players.

Experts in different sports show superior decision-making skills compared with novices, but little is known about its development in youth players. This study shows that the age-related improvements in visual cognition and accumulation of sport-specific experience explain a considerable amount of the development in decision making in volleyball. The aim of this study was to investigate the mediating effects of visual cognition and volleyball experience on the relationship between age and decision making in youth volleyball players. A total of 171 female volleyball players aged 6 to 17 years performed a sport-specific, video-based test of decision making, as well as four different visual cognition tests. Using structural equation modeling, we examined if volleyball experience and a latent variable constructed from the four tests of visual cognition act as parallel mediators in the association between age and decision making. The parallel multiple mediation model for the association between age and decision making was supported in youth volleyball players. Moreover, significant indirect effects and a nonsignificant direct effect indicated that visual cognition and experience fully mediated the relation between age and decision making and together explain 38% of the variance in decision-making performance. The effects of both mediators were not significantly different, and there was no residual correlation between experience and visual cognition, which indicates that these mediators are unrelated to each other. Our findings demonstrate that visual cognition and volleyball experience mediate the relation between age and decision making independently, which indicates that they each influence different parts of the decision-making process. These results highlight the importance of the development of perceptual-cognitive skill in young players, and future research should further investigate the development of these skills as well as their underlying factors in different kinds of sports.

Does Critical Success Factors of KM Mediate the KS-Driven Performance in the Software Sector of Pakistan?

This research tends to investigate role of KS practices on overall performance of software sector using critical success factors of KM (i.e. KM process and infrastructure capabilities) as intermediate measures. In this regard, a survey method using the adapted instrument to draw the inference from data collected from software developers. The parallel multiple mediation model proposed and tested by using Process Macro. The findings of study reveal that KS practices have a significant and positive effect on the overall performance in terms of operational excellence, financial achievement, customer intimacy, product leadership. The results indicate that all the constructs of KM process and infrastructure capabilities partially mediates the relationship between KS practices and performance of software sector. Hence, findings of study support all the suggested hypotheses and draws the inference that KM process and infrastructure capabilities support the theoretical prisms of KBV initiatives.

The Relationship between Responsible Leadership and Organizational Citizenship Behavior in the Hospitality Industry

The purpose of this study is to explore the mediating role of the perception of social responsibility, and organizational identification, in the relationship between responsible leadership and organizational citizenship behavior in the hospitality industry. A questionnaire was answered by 214 frontline employees of four and five-star hotels, in the north of Portugal. Results indicate that there is a mediation model, which uses the effect of the perception of social responsibility and organizational identification in the relationship between responsible leadership and organizational citizenship behaviors. This study is a first attempt to propose a parallel multiple mediator model that explores the effect of hotel frontline employees’ perceptions of the importance of social responsibility, as well as the effect of employees’ identification with the organization, both of which act as mediators in the relationship between responsible leadership and OCB in the hospitality industry.

Driver-passenger communicative stress and psychological distress among Chinese bus drivers: the mediating effect of job burnout

BackgroundThis study aimed to investigate the relationship between driver-passenger communicative stress and psychological distress among bus drivers, as well as whether job burnout mediates the effect of driver-passenger communicative stress on psychological distress.MethodsA questionnaire consisting of a 12-item version of the General Health Questionnaire (GHQ-12), a one-item driver-passenger communicative stress scale, the Maslach Burnout Inventory-General Survey (MBI-GS), as well as sociodemographic and work factors, was distributed to 310 bus drivers in Shanghai, of which 307 completed it (99.0% response rate). A parallel multiple mediation model with bootstrap approach, was calculated to test the mediating effect.ResultsDriver-passenger communicative stress, emotional exhaustion and cynicism were positively associated with psychological distress. Communicative stress was significantly positively linked with two of the three dimensions of burnout (emotional exhaustion and cynicism) and dependent variable. Emotional exhaustion and cynicism were positively associated with the dependent variable. The results indicate that emotional exhaustion and cynicism partially mediated the effect of communicative stress on psychological health, and that 60.0% of this effect can be explained by mediating effects, in which emotional exhaustion and cynicism weighed 63.2% and 36.8%, respectively.ConclusionsCommunicative stress had effects on psychological distress among Chinese bus drivers, and job burnout was a mediator in this relationship.

MEDIATING EFFECT OF SELF-EFFICACY ON THE RELATIONSHIP BETWEEN INSTRUCTION AND STUDENTS’ MATHEMATICAL REASONING

Literature is well-stocked with studies confirming that an instructional approach, self-efficacy, and mathematical reasoning skills are critical for enhancing students’ conceptual understanding and achievement in mathematics. However, there has been little emphasis on establishing whether being able to reason mathematically depends only on the instructional approach or students’ self-efficacy beliefs about mathematics also play a hidden role. A quasi-experimental study involving 301 grade 11 students from six public secondary schools in one district was carried out to investigate the mediating effect of self-efficacy on the relationship between instruction and students’ mathematical reasoning. Participants of the study were selected using the cluster random sampling method. Data were collected before and after the intervention via a mathematical reasoning test and a mathematics self-efficacy beliefs questionnaire. A Parallel Multiple Mediator Model in SPSS using the PROCESS custom dialogue version 3.4 was employed for data analysis. Findings suggest that mathematics self-efficacy and task-specific self-efficacy beliefs collectively and significantly mediate the effect of the instructional approach on students’ mathematical reasoning. The Student Teams-Achievement Division (STAD) was found to be an effective approach for enhancing students’ mathematical reasoning alongside self-efficacy beliefs. These findings provide evidence on the need to select an instructional approach that does not only focus on developing students’ cognitive abilities such as mathematical reasoning but also fosters students’ affective attributes such as maths self-efficacy beliefs.

Mediating role of post-traumatic growth in the relationship between inadequate disaster recovery and mental health outcomes: long-term evidence from the Wenchuan earthquake

ABSTRACT Background: The mental health outcomes from disasters have aroused great concern worldwide, yet few studies incorporate a long-term disaster recovery perspective. Evidence has also emerged about the importance of the social determinants of mental health, but aspects of recovery including disruptions to livelihoods and social networks remain relatively understudied. Objective: This study utilizes cognitive adaptation theory to examine the long-term relationship between inadequate disaster recovery and mental health outcomes while considering domains of post-traumatic growth (PTG) as mediators. Methods: A cross-sectional study was conducted among 1369 adult survivors of the 2008 Wenchuan earthquake. Correlation analyses and multivariable regression analyses examined the association between inadequate disaster recovery and mental health outcomes, while parallel multiple mediator models and structural equation model explored the mediating role of PTG among these relationships. Results: 52.2% and 8.1% of the respondents reported inadequate recovery on livelihood and social ties, respectively. Inadequate disaster recovery was associated with higher levels of PTSD and depressive symptoms, and this association was partially mediated by PTG. Lower reported PTG on the interpersonal relationship and new possibilities domains mediated the association between inadequate livelihood recovery on PTSD and depressive symptom severity, and enhanced personal strength mediated the association between inadequate social ties recovery on these symptoms. Conclusion: Enhancing disaster recovery is essential for mental health protection, and PTG may be a valuable starting point in cognitive therapy to protect against stress responses after trauma.

Mechanisms for engineers to promote product and process innovation: Thai manufacturing context

Engineers are crucial for upgrading a firm's technological capabilities and promoting innovation. This study empirically investigated the effects of engineer problem-solving capabilities (antecedent variable) on product and process innovation, using engineer managerial capabilities and engineer involvement in innovative activities with other departments as the main mediators. A parallel multiple mediation model was designed and run on PROCESS macro to analyse 189 respondents. The data was collected from manufacturing firms located in the Bangkok metropolitan area from December 2016 to January 2017. The results indicate that engineer problem-solving capabilities significantly, positively, and directly affect product innovation, and the proposed mediators do not function as a mechanism between the antecedent variable and product innovation. Meanwhile, engineer problem-solving capabilities indirectly affect process innovation, in which engineer involvement in innovative activities with other departments functions as the main mediator. However, there is insufficient evidence to claim the significant role of engineer managerial capabilities as the mediator between the antecedent variable and process innovation.

Retaining an age-diverse workforce through HRM: The mediation of work engagement and affective commitment

An aging population and an increasingly age-diverse workforce exemplify the complex challenge that age represents for most managers today. For that reason, research has shown the importance of designing and implementing human resources (HR) practices that meet age-related differences in workers’ motives and needs. Drawing on signaling and social exchange theories, the current study investigated a first stage moderated parallel multiple mediation model. We examined the mediating roles of work engagement and affective commitment in the relationship between age-diversity practices and turnover intention, as well as the moderating role of work centrality in these mediated relationships. Using a sample of 802 Portuguese workers, the study supported the parallel multiple mediation hypotheses. Further, the findings revealed that work centrality moderated the relationship between age-diversity practices and turnover intention via work engagement, but not via affective commitment. Age-diversity practices may motivate those workers who place less importance on work to be more engaged, which, in turn, reduces their intentions to leave the organization. Moreover, all workers, regardless of the importance that work plays in their life, are more emotionally attached to the organization and more willing to stay when there are age-diversity practices. Thus, to retain a healthy and productive age-diverse workforce, organizations should implement age-diversity practices. Empirical and practical implications are discussed.

Cocaine and Marijuana Polysubstance Use and Cocaine Use Disorder: Investigating Mediated Effects through Patterns of Cocaine Use

Objectives Cocaine use is on the rise and it is comorbid with marijuana use. We examined the association between lifetime cocaine + marijuana polysubstance use (CM PSU) versus cocaine only and lifetime cocaine use disorder (CocUD) and examined the potential mediation by cocaine use patterns. Methods: A total of 2,968 lifetime cocaine users were identified from the National Epidemiologic Survey on Alcohol and Related Conditions-III. Mediation analysis was utilized to examine cocaine use quantity, frequency, and duration as potential mediators in the association between CM PSU and CocUD. A parallel multiple mediator model and a structural equation model were used, respectively, to examine: (1) the individual contribution of cocaine use quantity, frequency, and duration, and (2) combined contribution as a set specified by a latent variable. Results: Cocaine users were divided into 2,782 (93.7%) CM polysubstance users and 186 (6.3%) cocaine only users. CM PSU was associated with decreased risk of CocUD, but after including the mediators, the association was no longer significant. Examined separately, only quantity was found to be a significant mediator over and above frequency and duration, while the latent variable with three cocaine use pattern indicators explained 56.6% of the total association between CM PSU and CocUD. Conclusions: Compared to cocaine only users, CM polysubstance users were less likely to use cocaine heavily; this lower intensity of cocaine use was in turn associated with decreased risk of CocUD. Future research is warranted to determine the nature of the association between CM PSU and reduced CocUD.

Distress Tolerance and Emotion Regulation as Potential Mediators Between Secondary Traumatic Stress and Maladaptive Coping.

The extant literature has illustrated that protective service workers experience negative repercussions associated with their job (including the development of secondary traumatic stress; STS) and may utilize maladaptive coping mechanisms. Developing an improved understanding of factors that might explain the relationship between STS and the utilization of maladaptive coping mechanisms is warranted. This study sought to examine emotion regulation and distress tolerance as potential mediators between STS and the utilization of maladaptive coping mechanisms. Participants were 152 elder protective service workers and 105 child protective service workers who completed an online survey of self-report measures of emotion regulation, distress tolerance, STS, and coping behaviors. A parallel multiple mediator model was analyzed using structural equation modeling (SEM) to examine the hypothesis that distress tolerance and emotion regulation would mediate the relationship between STS and the utilization of maladaptive coping. Our hypothesis was partially supported as the effect of STS on maladaptive coping was mediated by emotion regulation but not by distress tolerance. The results from this study have both prevention and intervention implications. From a prevention perspective, efforts could be directed at teaching emotion regulation skills to those at risk for developing STS as a mechanism for decreasing the probability of denial, substance use, behavioral disengagement, and self-blame that may occur as a consequence of STS. From an intervention perspective, some of the negative sequelae of exposure to STS may be averted by teaching EPS and CPS workers who present with STS symptoms, emotion regulation skills.

Spousal interference and relational turbulence during the COVID-19 pandemic

ABSTRACT Relational Turbulence Theory proposes that when romantic partners interrupt everyday routines in response to transitions, affective arousal will be heightened in the form of more intense emotions. The goal of this study was to test this theoretical logic in a married sample of 165 spouses during the initial peak of the COVID-19 pandemic (April, 2020). Participants completed an online survey measuring how often their spouse interfered with their daily routines, the negative emotions they experienced when interacting with their spouse, and how much turbulence they perceived in the marriage. Results of a parallel multiple mediation model provided support for the theory in the context of this global pandemic; anger and sadness toward the spouse independently mediated the effect of interference from that spouse on relational turbulence in the marriage.

Being Spiritually Green

The article theoretically explores and empirically examines the relationship between spiritually motivated environmentalism (SME) and green purchasing intentions (GPI). Also, the mediating role of psychographic variables, namely environmental self-efficacy (ESE), environmental locus of control (ELOC), and environmental empathy (EE), were tested on the SME and GPI. A total of 223 Indian respondents filled out the administered questionnaire to validate the hypothesis, and collected data were analysed using SEM and Hayes's Parallel Multiple Mediation Model. The effect of SME was found significantly positive on GPI through ESE, ELOC, and EE. The findings from the study indicate that spirituality motivates green buying among consumers. Also, green purchasing augments in presence of consumers' self-efficacy, locus of control, and empathy towards environment.

Contribution of Training to Scientists’ Public Engagement Intentions: A Test of Indirect Relationships Using Parallel Multiple Mediation

This article investigates the impact science communication training has on engagement intentions through a parallel multiple mediation model. Theory of planned behavior variables for internal efficacy, response efficacy, norms, and attitudes are examined as potential mediators. Based on a survey of randomly selected scientists from universities in the Association of American Universities, results indicate indirect effects for internal efficacy and attitudes toward the audience and consistent direct effects found in earlier research. This research provides a more comprehensive examination of how communication training contributes to scientists’ public engagement activity.

Testing the Indirect Effect of Type 1 Diabetes on Life Satisfaction Through Self-Compassion and Self-Coldness

ObjectivesDiabetes is a chronic disease that markedly affects the daily life of individuals and lowers subjective well-being. Self-compassion, or treating oneself with kindness and acceptance during challenging circumstances, may improve subjective well-being among people with diabetes. In the current study, we explored the relationships between duration of diabetes, positive and negative components of self-compassion (i.e., self-compassion and self-coldness), and life satisfaction.MethodsThe sample consisted of 112 persons with type 1 diabetes. A Self-Compassion Scale and Satisfaction with Life Scale were used.ResultsA parallel multiple mediation model revealed that diabetes duration was related to lower self-coldness but not to self-compassion. Both self-coldness and self-compassion strongly correlated with life satisfaction. Diabetes duration demonstrated a significant indirect effect on life satisfaction through self-coldness (b = 0.08, 95% CI [0.01, 0.16]), but not through self-compassion (b = 0.00, 95% CI [− 0.06, 0.06]).ConclusionsThe study suggests the need to examine the positive and negative components of the Self-Compassion Scale separately when studying well-being of persons with type 1 diabetes, as well as to prepare tailored self-compassion and self-coldness interventions that can be adjusted for people with varying diabetes durations.

The Neurological Predictor Scale Predicts Adaptive Functioning via Executive Dysfunction in Young Adult Survivors of Childhood Brain Tumor.

Survivors of childhood brain tumors experience neurological sequelae that disrupt everyday adaptive functioning (AF) skills. The Neurological Predictor Scale (NPS), a cumulative measure of tumor treatments and sequelae, predicts cognitive outcomes, but findings on its relation to informant-reported executive dysfunction (ED) and AF are mixed. Given known effects of frontal-subcortical system disruptions on AF, this study assessed the NPS' relationship with AF as mediated by frontal systems dysfunction, measured by the Frontal Systems Behavior Scale (FrSBe). 75 participants (Mage = 23.5, SDage = 4.5) were young adult survivors of childhood brain tumors at least 5 years past diagnosis. FrSBe and Scales of Independent Behavior-Revised (SIB-R), a measure of AF, were administered to informants. Parallel multiple mediator models included Apathy and ED as mediators, and age at diagnosis and time between diagnosis and assessment as covariates. More complex treatment and sequelae were correlated with poorer functioning. Mediation models were significant for all subscales: Motor Skills (MS), p=.0001; Social Communication (SC), p=.002; Personal Living (PL), p=.004; Community Living (CL), p=.007. The indirect effect of ED on SC and CL was significant; the indirect effect of Apathy was not significant for any subscales. More complex tumor treatment and sequelae were associated with poorer long-term AF via increased ED. Cognitive rehabilitation programs may focus on the role of executive function and initiation that contribute to AF, particularly SC and CL skills, to help survivors achieve comparable levels of independence in everyday function as their peers.

COVID-19: A Parallel Multiple Mediation Model of Fan Identification, Social Media Engagement, and Stress

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How ethical leadership influence employee creativity: A parallel multiple mediation model

The purpose of this research is to investigate the relationships between ethical leadership, affective commitment, work engagement, and employees’ creativity. Data were obtained from 233 Chinese public sector employees in three separate waves. By using structural equation modeling, we found positive and significant association between ethical leadership and employee creativity. Additionally, we found evidence of parallel mediation, where affective commitment and work engagement mediate the relationship between ethical leadership and employee creativity. To be precise, we found that ethical leadership influences affective commitment and work engagement which subsequently induces followers to exhibit creativity in their work. The findings of this study reveal that both affective commitment and work engagement play a pivotal role through which ethical leaders can enhance their followers’ creative behaviors.

Self-concealment and suicidality: Mediating roles of unmet interpersonal needs and attitudes toward help-seeking.

We investigated the relationship between self-concealment-a tendency to hide distressing information-and suicidality, via two mediators: (a) unmet interpersonal needs and (b) help-seeking attitudes. A sample of young adults (18-25 years) was recruited online to complete a self-report survey questionnaire (n = 245). A parallel multiple mediation model was analyzed using the PROCESS macro (Hayes, 2013, Methodology in the social sciences. Introduction to mediation, moderation, and conditional process analysis: A regression-based approach. New York, NY: Guilford Press) in SPSS. There was a significant positive relationship between self-concealment and suicidality. This relationship was partially mediated by unmet interpersonal needs. Although self-concealment was associated with more negative attitudes toward seeking professional psychological help, these help-seeking attitudes were not significantly related to suicidality. Our results highlight the importance of interpersonal factors in suicide. Unmet interpersonal needs emerged as a mechanism by which self-concealment contributes to increased suicidality. We review implications for research, clinical practice, and prevention.

Carbon emission curbing effects and influencing mechanisms of China’s Emission Trading Scheme: The mediating roles of technique effect, composition effect and allocation effect

Based on panel data from 2007 to 2016, this paper investigates the carbon abatement effect of China’s pilot Emission Trading Scheme (ETS) and the influencing paths of the policy at both national and regional level by using Difference in Differences model and parallel multiple mediator model. The results reveal that the policy has reduced the total carbon emission reduction by 13.39%, with an upward abatement trend annually. Secondly, a systematic framework containing technique effect, composition effect and allocation effect is proposed to further investigate the influencing mechanisms of the achieved emission curbing effect. It reflects that the policy has not yet promoted the low-carbon innovation completely, only innovation of high-quality played an effective mediating role. Meantime, two other influencing channels of industrial upgrading and optimized resource allocation are verified. Thirdly, policy’s heterogeneous impacts are detected by classifying China into three representative regions according to economic and geographical differences, where western China experiences the strongest emission abatement by 21.57%, whereas central China and eastern China is 9.83% and 6.65% respectively. Fourthly, assessments of the regional influencing mechanisms show that the mediating role of high-quality low-carbon technology innovation is only significant in the western region, while the other two regions tend to have rebound effect. Besides, the promotion of industrial upgrading is positively related to the development levels of regions, with the improvement of 18.01% in the eastern region, followed by 17.34% and 12.46% in the central and western region. Finally, the optimization of the resource allocation has not been promoted regardless of the regions. In general, although the current policy has a significant carbon reduction effect, there is still much space for potential abatement to be developed.