Predictors and outcomes of nursing students' engagement trajectories at the beginning of their program

[1]  E. Manias,et al.  Impacts of technology implementation on nurses' work motivation, engagement, satisfaction and well-being: A realist review. , 2023, Journal of clinical nursing.

[2]  E. Arabi.  Training design enhancement through training evaluation: Effects on training transfer , 2022, International Journal of Training and Development.

[3]  Cinthya Salazar,et al.  Undocufriendly ≠ undocuserving: Undocumented college students’ perceptions of institutional support. , 2022, Journal of Diversity in Higher Education.

[4]  Cherry Kyaw San,et al.  Institutional support, social support, and academic performance: mediating role of academic adaptation , 2022, European Journal of Psychology of Education.

[5]  U. C. Okolie.  Work placement learning and students' readiness for school-to-work transition: Do perceived employability and faculty supervisor support matter? , 2022, Journal of Vocational Behavior.

[6]  S. Goodhew,et al.  Subjective assessments of cognition and affect and their relationship with objective performance: Individuals with high levels of cognitive failures or negative affect miss more rare visual targets. , 2022, Journal of experimental psychology. General.

[7]  Brianna J. Turner,et al.  Disparities in the prevalence, frequency and trajectories of substance use and disordered eating across first-year university in sexual minority undergraduates. , 2022, Journal of American college health : J of ACH.

[8]  N. Ntoumanis,et al.  Supervisors’ Interpersonal Styles: An Integrative Perspective and A Measure Based on Self‐Determination Theory , 2022, Applied Psychology.

[9]  Oana C. Fodor,et al.  The effect of humor and perceived social interdependence on teamwork engagement in student groups , 2022, Current Psychology.

[10]  R. Vallerand,et al.  On the role of harmonious and obsessive passion in work and family outcomes: A test of the quadripartite approach , 2022, Current Psychology.

[11]  Brian D. Blume,et al.  The positive gain spiral of job resources, work engagement, opportunity and motivation on training transfer , 2022, International Journal of Training and Development.

[12]  K. Salmela‐Aro,et al.  Supplemental Material for The Interconnected Development of Depressive Symptoms and School Functioning From Mid-Adolescence to Early Adulthood: A Piecewise Growth Mixture Analysis , 2022, Journal of Educational Psychology.

[13]  Curt M. Adams,et al.  Testing the relationship between a need thwarting classroom environment and student disengagement , 2022, European Journal of Psychology of Education.

[14]  Dexin Shi,et al.  Teacher-student relationships and adolescents' school satisfaction: Behavioural engagement as a mechanism of change. , 2022, The British journal of educational psychology.

[15]  Nurcan Uysal,et al.  The effects of mindfulness-based stress reduction on mindfulness and stress levels of nursing students during first clinical experience. , 2022, Perspectives in psychiatric care.

[16]  Valentina Grazia.  A longitudinal study of school climate: Reciprocal effects with student engagement and burnout , 2022, Psychology in the Schools.

[17]  S. Wise,et al.  Assessment in the Time of COVID-19: Understanding Patterns of Student Disengagement during Remote Low-Stakes Testing , 2022, Educational Assessment.

[18]  K. Salmela‐Aro,et al.  Study Burnout and Engagement During COVID-19 Among University Students: The Role of Demands, Resources, and Psychological Needs , 2022, Journal of Happiness Studies.

[19]  Seher Gürdil Yilmaz,et al.  Clinical-practice stress levels and factors affecting these on first-year nursing students. , 2022, Perspectives in psychiatric care.

[20]  Xiangdong Yang,et al.  Perceived teacher support, student engagement, and academic achievement: a meta-analysis , 2022, Educational Psychology.

[21]  A. Morin,et al.  Longitudinal profiles of work-family interface: Their individual and organizational predictors, personal and work outcomes, and implications for onsite and remote workers , 2022, Journal of Vocational Behavior.

[22]  Ann-Renée Blais,et al.  The Job Engagement Scale: Development and Validation of a Short Form in English and French , 2022, Journal of Business and Psychology.

[23]  Charles C. Driver,et al.  The baby and the bathwater: On the need for substantive–methodological synergy in organizational research , 2021, Industrial and Organizational Psychology.

[24]  P. Gaudreau,et al.  The Two Dimensions of Passion for Sport: A New Look Using a Quadripartite Approach. , 2021, Journal of sport & exercise psychology.

[25]  K. Murayama,et al.  It's more about a lesson than a domain: Lesson-specific autonomy support, motivation, and engagement in math and a second language , 2021, Learning and Instruction.

[26]  Sofie M. M. Loyens,et al.  Relationship quality in higher education and the interplay with student engagement and loyalty , 2021, The British journal of educational psychology.

[27]  H. Holling,et al.  How work engagement relates to performance and absenteeism: a meta-analysis , 2021, European Journal of Work and Organizational Psychology.

[28]  A. Morin,et al.  Nature, predictor, and outcomes of motivation trajectories during a professional training program , 2021, European Journal of Work and Organizational Psychology.

[29]  S. Sonnentag,et al.  Positive work reflection during the evening and next‐day work engagement: Testing mediating mechanisms and cyclical processes , 2021, Journal of Occupational and Organizational Psychology.

[30]  R. Vallerand,et al.  The role of passion for studies on academic procrastination and mental health during the COVID-19 pandemic , 2021, Social psychology of education : an international journal.

[31]  M. S. Spencer,et al.  School Mental Health Providers’ Perspectives on the Impact of COVID-19 on Racial Inequities and School Disengagement , 2021, Children & Schools.

[32]  A. Morin,et al.  Testing associations between global and specific levels of student academic motivation and engagement in the classroom , 2021, The Journal of Experimental Education.

[33]  Mohammad Gholami,et al.  Effects of multiepisode case-based learning (CBL) on problem-solving ability and learning motivation of nursing students in an emergency care course. , 2021, Journal of professional nursing : official journal of the American Association of Colleges of Nursing.

[34]  Joel Koopman,et al.  Excuse me, do you have a minute? An exploration of the dark- and bright-side effects of daily work interruptions for employee well-being. , 2021, The Journal of applied psychology.

[35]  A. Bakker,et al.  How do Employees Adapt to Organizational Change? The Role of Meaning-making and Work Engagement , 2020, The Spanish Journal of Psychology.

[36]  Murugan Pattusamy,et al.  How psychological capital is related to academic performance, burnout, and boredom? The mediating role of study engagement , 2020, Current Psychology.

[37]  J. Koziol-Mclain,et al.  A quest for quality care: Exploration of a model of leadership relationships, work engagement, and patient outcomes , 2020, Journal of advanced nursing.

[38]  Debora Jeske,et al.  Ethical leadership and decision authority effects on nurses' engagement, exhaustion, and turnover intention. , 2020, Journal of advanced nursing.

[39]  Charles Calderwood,et al.  Active Today, Replenished Tomorrow? How Daily Physical Activity Diminishes Next-Morning Depletion. , 2020, Applied psychology. Health and well-being.

[40]  Erik Gonzalez‐Mulé,et al.  A meta-analytic test of multiplicative and additive models of job demands, resources, and stress. , 2020, The Journal of applied psychology.

[41]  Ming-Te Wang,et al.  Trajectory patterns of academic engagement among elementary school students: The implicit theory of intelligence and academic self-efficacy matters. , 2020, The British journal of educational psychology.

[42]  A. Morin,et al.  Students’ Need Satisfaction Profiles: Similarity and Change over the Course of a University Semester , 2019, Applied Psychology.

[43]  Daniel G. Bachrach,et al.  Less engaged over time? The effect of self‐efficacy on work engagement trajectory , 2020, Journal of Theoretical Social Psychology.

[44]  A. Morin,et al.  A Longitudinal Person-Centered Perspective on Positive and Negative Affect at Work , 2020, The Journal of psychology.

[45]  C. Bélanger,et al.  Passion in University: The Role of the Dualistic Model of Passion in Explaining Students’ Academic Functioning , 2020, Journal of Happiness Studies.

[46]  K. Salmela‐Aro,et al.  A longitudinal perspective on the associations between work engagement and workaholism , 2020 .

[47]  Amlan Haque.  Strategic HRM and organisational performance: does turnover intention matter? , 2020 .

[48]  S. Kwok,et al.  A Cross-Lagged Panel Study Examining the Reciprocal Relationships Between Positive Emotions, Meaning, Strengths use and Study Engagement in Primary School Students , 2020, Journal of Happiness Studies.

[49]  Olivia E. Atherton,et al.  Life satisfaction trajectories during adolescence and the transition to young adulthood: Findings from a longitudinal study of Mexican-origin youth. , 2020, Journal of personality and social psychology.

[50]  Juan Sun,et al.  Effects of mindfulness meditation on anxiety, depression, stress, and mindfulness in nursing students: a meta-analysis and trial sequential analysis of randomized controlled trials , 2020 .

[51]  E. Olivier,et al.  Understanding behavioural engagement and achievement: The roles of teaching practices and student sense of competence and task value. , 2020, The British journal of educational psychology.

[52]  A. Morin,et al.  A Person-Centered Perspective on the Combined Effects of Global and Specific Levels of Job Engagement , 2020, Group & Organization Management.

[53]  Guichun Jin,et al.  The influence of gratitude on learning engagement among adolescents: The multiple mediating effects of teachers' emotional support and students' basic psychological needs. , 2019, Journal of adolescence.

[54]  Colleen R. O’Neal,et al.  Dual language learners' grit, engagement, and literacy achievement in elementary school , 2019, School Psychology International.

[55]  Marko Lüftenegger,et al.  Context-related problems and university students’ dropout intentions—the buffering effect of personal best goals , 2019, European Journal of Psychology of Education.

[56]  A. Morin,et al.  A Person-Centered Representation of Basic Need Satisfaction Balance at Work , 2019, Journal of Personnel Psychology.

[57]  N. Ntoumanis,et al.  Effects of perceived autonomy support from social agents on motivation and engagement of Chinese primary school students: Psychological need satisfaction as mediator , 2019, Contemporary Educational Psychology.

[58]  T. Allen,et al.  Challenge and hindrance stressors and metabolic risk factors. , 2019, Journal of occupational health psychology.

[59]  N. Ntoumanis,et al.  Expanding Autonomy Psychological Need States From Two (Satisfaction, Frustration) to Three (Dissatisfaction): A Classroom-Based Intervention Study , 2019, Journal of Educational Psychology.

[60]  Andrew J. Martin,et al.  Understanding the Role of Personal Best (PB) Goal Setting in Students’ Declining Engagement: A Latent Growth Model , 2019, Journal of Educational Psychology.

[61]  N. Suarez,et al.  Individual Precursors of Student Homework Behavioral Engagement: The Role of Intrinsic Motivation, Perceived Homework Utility and Homework Attitude , 2019, Front. Psychol..

[62]  A. Morin,et al.  Mixture Modeling for Lifespan Developmental Research , 2019, Oxford Research Encyclopedia of Psychology.

[63]  A. Morin,et al.  The Forest and the Trees: Investigating the Globality and Specificity of Employees’ Basic Need Satisfaction at Work , 2019, Journal of personality assessment.

[64]  E. Huebner,et al.  The developmental trajectory of behavioral school engagement and its reciprocal relations with subjective well-being in school among Chinese elementary school students , 2019, Children and Youth Services Review.

[65]  A. Morin,et al.  Complementary variable- and person-centred approaches to the dimensionality of work engagement: a longitudinal investigation , 2019, European Journal of Work and Organizational Psychology.

[66]  A. Morin,et al.  Investigating the combined effects of workaholism and work engagement: A substantive-methodological synergy of variable-centered and person-centered methodologies , 2018, Journal of Vocational Behavior.

[67]  Eider Goñi Palacios,et al.  Rendimiento académico e implicación escolar en relación al origen, al sexo y la edad del alumnado de Secundaria , 2018 .

[68]  A. Morin,et al.  Emotional labour profiles: Associations with key predictors and outcomes , 2018, Work & Stress.

[69]  Violet T. Ho,et al.  Disentangling passion and engagement: An examination of how and when passionate employees become engaged ones , 2018 .

[70]  Tiphaine Huyghebaert,et al.  Effects of workload on teachers' functioning: A moderated mediation model including sleeping problems and overcommitment , 2018, Stress and health : journal of the International Society for the Investigation of Stress.

[71]  F. Luthans,et al.  Testing a dynamic model of the impact of psychological capital on work engagement and job performance , 2018 .

[72]  M. Milyavskaya,et al.  Let’s play the blame game: The distinct effects of personal standards and self-critical perfectionism on attributions of success and failure during goal pursuit , 2017 .

[73]  Allison S. Gabriel,et al.  Thriving at school and succeeding at work? A demands-resources view of spillover processes in working students , 2017 .

[74]  A. Morin,et al.  University students' need satisfaction trajectories: A growth mixture analysis , 2017, Learning and Instruction.

[75]  R. Vallerand,et al.  Understanding the Cognitive and Motivational Underpinnings of Sexual Passion From a Dualistic Model , 2017, Journal of personality and social psychology.

[76]  J. Reeve,et al.  Stability, change, and implications of students’ motivation profiles: A latent transition analysis , 2017 .

[77]  Seung-Wan Kang,et al.  Older and More Engaged: The Mediating Role of Age-Linked Resources on Work Engagement , 2017 .

[78]  Louis C. Buffardi,et al.  Perceived Organizational Support: A Meta-Analytic Evaluation of Organizational Support Theory , 2017 .

[79]  N. Gillet,et al.  Organizational Support, Job Resources, Soldiers’ Motivational Profiles, Work Engagement, and Affect , 2017 .

[80]  S. Sonnentag.  A task-level perspective on work engagement: A new approach that helps to differentiate the concepts of engagement and burnout , 2017 .

[81]  Daniel D. Goering,et al.  Not if, but how they differ: A meta-analytic test of the nomological networks of burnout and engagement , 2017 .

[82]  N. Jimmieson,et al.  Interaction effects among multiple job demands: an examination of healthcare workers across different contexts , 2017, Anxiety, stress, and coping.

[83]  Thomas J. Dunn,et al.  Meditation awareness training for the treatment of workaholism: A controlled trial , 2017, Journal of behavioral addictions.

[84]  U. Kinnunen,et al.  Identifying long-term patterns of work-related rumination: associations with job demands and well-being outcomes , 2017 .

[85]  M. B. Nielsen,et al.  Workplace resources to improve both employee well-being and performance: A systematic review and meta-analysis , 2017 .

[86]  Edward L. Deci,et al.  Self-Determination Theory in Work Organizations: The State of a Science , 2017 .

[87]  Thierno M. O. Diallo,et al.  The Impact of Total and Partial Inclusion or Exclusion of Active and Inactive Time Invariant Covariates in Growth Mixture Models , 2017, Psychological methods.

[88]  Kim F. Nimon,et al.  Untangling the Predictive Nomological Validity of Employee Engagement , 2017 .

[89]  Joanne E. Taylor,et al.  The influence of negative affect on test anxiety and academic performance: An examination of the tripartite model of emotions , 2017 .

[90]  R. Vallerand,et al.  On the differential relationships involving perfectionism and academic adjustment: The mediating role of passion and affect , 2016 .

[91]  Robert E. Ployhart,et al.  A Two-Phase Longitudinal Model of a Turnover Event: Disruption, Recovery Rates, and Moderators of Collective Performance , 2016 .

[92]  Thierno M. O. Diallo,et al.  Impact of Misspecifications of the Latent Variance–Covariance and Residual Matrices on the Class Enumeration Accuracy of Growth Mixture Models , 2016 .

[93]  G. Nagy,et al.  Students’ Perceptions of Person–Environment Fit , 2016 .

[94]  John P. Meyer,et al.  Multiple-Group Analysis of Similarity in Latent Profile Solutions , 2016 .

[95]  Luke Fletcher.  Fluctuating levels of personal role engagement within the working day , 2015 .

[96]  Ute R. Hülsheger,et al.  A low-dose mindfulness intervention and recovery from work: effects on psychological detachment, sleep quality, and sleep duration , 2015 .

[97]  M. Astakhova.  The Curvilinear Relationship between Work Passion and Organizational Citizenship Behavior , 2015 .

[98]  Tiphaine Huyghebaert,et al.  Autonomous and controlled reasons underlying achievement goals: Implications for the 3 × 2 achievement goal model in educational and work settings , 2015, Motivation and Emotion.

[99]  R. Buch,et al.  The dualistic model of passion for work: Discriminate and predictive validity with work engagement and workaholism , 2015 .

[100]  Tiphaine Huyghebaert,et al.  The Effects of Job Demands and Organizational Resources through Psychological Need Satisfaction and Thwarting , 2015, The Spanish Journal of Psychology.

[101]  D. Bailis,et al.  Predicting longitudinal trajectories of academic passion in first-year university students , 2015 .

[102]  Sabine Sonnentag,et al.  Recovery from job stress: The stressor‐detachment model as an integrative framework , 2015 .

[103]  Norito Kawakami,et al.  Workaholism vs. Work Engagement: the Two Different Predictors of Future Well-being and Performance , 2015, International Journal of Behavioral Medicine.

[104]  Jase R. Ramsey,et al.  Exploring the Impact of Cross-Cultural Management Education on Cultural Intelligence, Student Satisfaction, and Commitment , 2014 .

[105]  Gaëtane Caesens,et al.  The impact of work engagement and workaholism on well-being: The role of work-related social support. , 2014 .

[106]  Bengt Muthén,et al.  Auxiliary Variables in Mixture Modeling: Three-Step Approaches Using Mplus , 2014 .

[107]  R. Vallerand,et al.  Linking job demands and resources to burnout and work engagement: Does passion underlie these differential relationships? , 2014 .

[108]  A. Bakker,et al.  Burnout and Work Engagement: The JD–R Approach , 2014 .

[109]  Andrew Lepp,et al.  The relationship between cell phone use, academic performance, anxiety, and Satisfaction with Life in college students , 2014, Comput. Hum. Behav..

[110]  Robert A. Roe,et al.  On Becoming (Un)Committed: A Taxonomy and Test of Newcomer Onboarding Scenarios , 2013, Organ. Sci..

[111]  Stefany Coxe,et al.  Statistical Power to Detect the Correct Number of Classes in Latent Profile Analysis , 2013, Structural equation modeling : a multidisciplinary journal.

[112]  Despoina Xanthopoulou,et al.  Work engagement among employees facing emotional demands: The role of personal resources. , 2013 .

[113]  K. Salmela‐Aro,et al.  Engagement With Studies and Work , 2013 .

[114]  Stephanie T. Lanza,et al.  Latent Class Analysis With Distal Outcomes: A Flexible Model-Based Approach , 2013, Structural equation modeling : a multidisciplinary journal.

[115]  W. Ruch,et al.  Assessing the “Good Life” in a Military Context: How Does Life and Work-Satisfaction Relate to Orientations to Happiness and Career-Success Among Swiss Professional Officers? , 2012 .

[116]  Christophe Maïano,et al.  General Growth Mixture Analysis of Adolescents' Developmental Trajectories of Anxiety: The Impact of Untested Invariance Assumptions on Substantive Interpretations , 2011 .

[117]  Y. Hser,et al.  On Inclusion of Covariates for Class Enumeration of Growth Mixture Models , 2011, Multivariate behavioral research.

[118]  S. Sonnentag,et al.  Learning how to recover from job stress: effects of a recovery training program on recovery, recovery-related self-efficacy, and well-being. , 2011, Journal of occupational health psychology.

[119]  R. Valois,et al.  Life Satisfaction and Student Engagement in Adolescents , 2011, Journal of youth and adolescence.

[120]  Jennifer E. Swanberg,et al.  Predicting employee engagement in an age‐diverse retail workforce , 2011 .

[121]  Andy Miller,et al.  The temporal stability and predictive validity of pupils' causal attributions for difficult classroom behaviour. , 2010, The British journal of educational psychology.

[122]  Eean R. Crawford,et al.  Linking job demands and resources to employee engagement and burnout: a theoretical extension and meta-analytic test. , 2010, The Journal of applied psychology.

[123]  Timothy T. Baldwin,et al.  Transfer of Training: A Meta-Analytic Review , 2010 .

[124]  Eean R. Crawford,et al.  JOB ENGAGEMENT: ANTECEDENTS AND EFFECTS ON JOB PERFORMANCE , 2010 .

[125]  Chockalingam Viswesvaran,et al.  SATISFACTION, CITIZENSHIP BEHAVIORS, AND PERFORMANCE IN WORK UNITS: A META‐ANALYSIS OF COLLECTIVE CONSTRUCT RELATIONS , 2010 .

[126]  Robert E. Ployhart,et al.  Longitudinal Research: The Theory, Design, and Analysis of Change , 2010 .

[127]  Satoris S. Culbertson,et al.  Changes in newcomer job satisfaction over time: examining the pattern of honeymoons and hangovers. , 2009, The Journal of applied psychology.

[128]  Robert J. Vallerand,et al.  On The Costs and Benefits of Gaming: The Role of Passion , 2009, Cyberpsychology Behav. Soc. Netw..

[129]  Wilmar B. Schaufeli,et al.  Reciprocal relationships between job resources, personal resources, and work engagement. , 2009 .

[130]  R. Vallerand,et al.  Passion Does Make a Difference in People's Lives: A Look at Well‐Being in Passionate and Non‐Passionate Individuals , 2009 .

[131]  B. Muthén,et al.  Deciding on the Number of Classes in Latent Class Analysis and Growth Mixture Modeling: A Monte Carlo Simulation Study , 2007 .

[132]  A. Bakker,et al.  The Role of Personal Resources in the Job Demands-Resources Model , 2007 .

[133]  E. Thompson.  Development and Validation of an Internationally Reliable Short-Form of the Positive and Negative Affect Schedule (PANAS) , 2007 .

[134]  Glen E. Kreiner.  Consequences of work-home segmentation or integration: a person-environment fit perspective , 2006 .

[135]  Daniel J Bauer,et al.  Local solutions in the estimation of growth mixture models. , 2006, Psychological methods.

[136]  R. Vallerand,et al.  Passion and Psychological Adjustment: A Test of the Person-Environment Fit Hypothesis , 2006, Personality & social psychology bulletin.

[137]  Nathan P. Podsakoff,et al.  A Meta-Analytic Test of the Challenge Stressor–Hindrance Stressor Framework: An Explanation for Inconsistent Relationships Among Stressors and Performance , 2005 .

[138]  Bengt Muthén,et al.  Statistical and substantive checking in growth mixture modeling: comment on Bauer and Curran (2003). , 2003, Psychological methods.

[139]  Ronald C. Kessler,et al.  The World Health Organization Health and Work Performance Questionnaire (HPQ) , 2003, Journal of occupational and environmental medicine.

[140]  S. Hobfoll.  Social and Psychological Resources and Adaptation , 2002 .

[141]  Paul E. Spector,et al.  An emotion-centered model of voluntary work behavior , 2002 .

[142]  R. Vallerand,et al.  Motivation and dropout in female handballers: a 21‐month prospective study , 2002 .

[143]  D. Rubin,et al.  Testing the number of components in a normal mixture , 2001 .

[144]  A. Bakker,et al.  The job demands-resources model of burnout. , 2001, The Journal of applied psychology.

[145]  Marcie A. Cavanaugh,et al.  An empirical examination of self-reported work stress among U.S. managers. , 2000, The Journal of applied psychology.

[146]  William A. Kahn.  Psychological Conditions of Personal Engagement and Disengagement at Work , 1990 .

[147]  R. Eisenberger,et al.  Perceived organizational support. , 1986 .

[148]  Arya Ansari,et al.  Classrooms with high rates of absenteeism and individual success: Exploring students' achievement, executive function, and socio-behavioral outcomes. , 2022, Early childhood research quarterly.

[149]  F. Veiga,et al.  Student engagement in Higher Education, age and parental education level , 2021, Estudos de Psicologia (Campinas).

[150]  Mohamed Amine Bouchlaghem,et al.  Exploration of the Gap between Theory and Practice in Tunisia Nurse Education System: A Cross-Sectional Descriptive Study with a Focus on Hand Hygiene , 2018 .

[151]  P. Parker,et al.  Effects of physical activity and breaks on mathematics engagement in adolescents. , 2018, Journal of science and medicine in sport.

[152]  James J. Appleton,et al.  Beyond School Records: The Value of Cognitive and Affective Engagement in Predicting Dropout and On-Time Graduation , 2017 .

[153]  A. J. van der Beek,et al.  "Mental retirement?" Trajectories of work engagement preceding retirement among older workers. , 2017, Scandinavian journal of work, environment & health.

[154]  Reinhard Pekrun,et al.  Internal/external frame of reference model , 2015 .

[155]  S. Jack,et al.  An integrative review of the factors influencing new graduate nurse engagement in interprofessional collaboration. , 2014, Journal of advanced nursing.

[156]  James K. Harter,et al.  Business-unit-level relationship between employee satisfaction, employee engagement, and business outcomes: a meta-analysis. , 2002, The Journal of applied psychology.