Skip to main content

ETHNOS_APP

Home • Search • Journals • List 0

Theoretical explanations for maintenance of behaviour change

A systematic review of behaviour theories

Bibliographic Data

ID23356268
AuthorsDominika Kwasnicka (0000-0002-5961-837X), Stephan U Dombrowski (0000-0001-9832-2777), Martin White (0000-0002-1861-6757), Falko Sniehotta
Year2016
Volume10
Issue3
Pages277-296
Publication date2016-07-02
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueHealth Psychology Review (JOURNAL)
Journal identifiersISSN: 1743-7199 • E-ISSN: 1743-7202
PublisherInforma UK Limited (PUBLISHER • GB)
DOI10.1080/17437199.2016.1151372
LanguageEN
Citations received158
References cited88
  • Experiences of beginner runners on a modified Couch-to-5k programme

    Open Access•Nicola Relph, Danielle Christian et al.•Health Promotion International•2026

  • Promoting physical activity-related health competence to increase leisure-time physical activity and health-related quality of life in German private sector office workers

    Open Access•Sabine Blaschke, Johannes Carl et al.•BMC Public Health•2023

  • Implementing text-messaging to support and enhance delivery of health behavior change interventions in low- to middle-income countries

    Open Access•Frank T Materia, Joshua M Smyth et al.•BMC Public Health•2023

  • The updated Consolidated Framework for Implementation Research based on user feedback

    Open Access•Laura J Damschroder, Caitlin M Reardon et al.•Implementation Science•2022

  • Effective behaviour change techniques for physical activity and healthy eating in overweight and obese adults; systematic review and meta-regression analyses

    Open Access•Gro Beate Samdal, Geir Egil Eide et al.•International Journal of…•2017

  • A meta-analysis of techniques to promote motivation for health behaviour change from a self-determination theory perspective

    Fiona Gillison, Peter Rouse et al.•Health Psychology Review•2019

  • Social network interventions for health behaviours and outcomes

    Open Access•Ruth F Hunter, K De La Haye et al.•PLoS Medicine•2019

  • Can extended health communication improve newly settled refugees’ health literacy? A quasi-experimental study from Sweden

    Open Access•Maissa Al-Adhami, Natalie Durbeej et al.•Health Promotion International•2024

  • Facilitators and Inhibitors of Lifestyle Modification and Maintenance of Korean Postmenopausal Women

    Open Access•Hye‐Ryoung Kim, Hwa-Mi Yang•International Journal of…•2020

  • Stress management training for managers in small and medium-sized enterprises (KMU-GO)

    Open Access•Sophie Hofmann, Svenja Schlachter et al.•BMC Public Health•2026

  • Previous life experiences and social relations affecting individuals wish for support when establishing healthy habits – a qualitative study of Norwegian Healthy Life Centre participants

    Open Access•Thea Ingebjørg Gjertsen, Anne-S Helvik et al.•BMC Public Health•2021

  • Integrated motivational interviewing and cognitive behaviour therapy can increase physical activity and improve health of adult ambulatory care patients in a regional hospital

    Open Access•Stephen Barrett, Stephen Begg et al.•BMC Public Health•2018

  • What helps older people persevere with yoga classes? A realist process evaluation of a Covid-19-affected yoga program for fall prevention

    Open Access•Amanda Haynes, Heidi Gilchrist et al.•BMC Public Health•2022

  • Adaptations to the welsh national exercise referral scheme during the Covid-19 pandemic

    Open Access•Katie Newby, Neil Howlett et al.•BMC Public Health•2025

  • A Community-Based Participatory Action Research with Women from Disadvantaged Populations

    Open Access•María Sanz-Remacha, Alberto Aibar Solana et al.•International Journal of…•2022

  • The Effect of Healthy Lifestyle Changes on Work Ability and Mental Health Symptoms

    Open Access•Rahman Shiri, Ari Vaananen et al.•International Journal of…•2022

  • A qualitative study of former participants’ experiences of the Green Prescription program in Aotearoa New Zealand

    Open Access•Kobus du Plooy, Beth Wishart et al.•BMC Public Health•2025

  • Understanding Adolescents’ Need Support, Need Satisfaction, and Health-Related Outcomes

    Open Access•Changzhou Chen, Tao Zhang et al.•International Journal of…•2019

  • Effects of an autonomy-supportive intervention programme (Asip) on self-care, quality of life, and mental health in heart failure patients

    Open Access•Yanting Li, Weiling Yang et al.•Quality of Life Research•2023

  • Subjective Deterioration of Physical and Psychological Health during the Covid-19 Pandemic in Taiwan

    Open Access•Peng‐Wei Wang, Nai‐Ying Ko et al.•International Journal of…•2020

  • Exercising in Times of Lockdown

    Open Access•Bram Constandt, Erik Thibaut et al.•International Journal of…•2020

  • How men receive and utilise partner support when trying to change their diet and physical activity within a men’s weight management programme

    Open Access•Sheela Tripathee, Helen Sweeting et al.•BMC Public Health•2020

  • Interventions for Child Drowning Reduction in the Indian Sundarbans

    Open Access•Medhavi Gupta, Sujoy Roy et al.•Children•2020

  • Centre for the Promotion of Physical Activity and Health (Capas-City)

    Open Access•Javier Zaragoza Casterad, Javier Sevil-Serrano et al.•International Journal of…•2019

  • Evaluation of a Computer-Tailored Healthy Ageing Intervention to Promote Physical Activity among Single Older Adults with a Chronic Disease

    Open Access•Janet M Boekhout, Brenda Berendsen et al.•International Journal of…•2018

  • Efficacy of a smartphone-based intervention — “Holidaily” — promoting recovery behaviour in workers after a vacation

    Open Access•Alexandra Smyth, Jessica De Bloom et al.•BMC Public Health•2020

  • The secret life of all-or-nothing thinking with exercise

    Open Access•Michelle Segar, John A Updegraff et al.•BMC Public Health•2025

  • Results of a Cluster Randomized Controlled Trial to Promote the Use of Respiratory Protective Equipment among Migrant Workers Exposed to Organic Solvents in Small and Medium-Sized Enterprises

    Open Access•Wen Chen, Tongyang Li et al.•International Journal of…•2019

  • Winning Conditions for the Adoption and Maintenance of Long-Term Healthy Lifestyles According to Physical Activity Students

    Open Access•Laurence Couture-Wilhelmy, Philippe Chaubet et al.•International Journal of…•2021

  • Design, delivery, and determinants of uptake

    Open Access•Shafinaz Sobhan, Anna A Müller‐Hauser et al.•BMC Public Health•2022

  • The PHEM-B toolbox of methods for incorporating the influences on Behaviour into Public Health Economic Models

    Open Access•Hazel Squires, Michael P Kelly et al.•BMC Public Health•2024

  • Compliance to Recommendations and Mental Health Consequences among Elderly in Sweden during the Initial Phase of the Covid-19 Pandemic—A Cross Sectional Online Survey

    Open Access•Johanna Gustavsson, Linda Beckman•International Journal of…•2020

  • Reach and effectiveness of a worksite health promotion program combining a preventive medical examination with motivational interviewing; a quasi-experimental study among workers in low socioeconomic position

    Open Access•David van de Ven, Merel Schuring et al.•BMC Public Health•2023

  • Perceptions of Chinese women with a history of gestational diabetes regarding health behaviors and related factors

    Open Access•Xiaoxia Ma, Yun Yang et al.•BMC Public Health•2024

  • Lessons learned from talking with adults about nutrition

    Open Access•Erlend L Valen, Erlend Nuland Valen et al.•Maternal and Child Nutrition•2023

  • Beyond what meets the eye

    Open Access•Sahar Ramazan Ali, Éric Lacourse et al.•BMC Public Health•2026

  • A School-Based Randomized Controlled Trial to Promote Cycling to School in Adolescents

    Open Access•Palma Chillón, Patricia Gálvez‐Fernández et al.•International Journal of…•2021

  • Physical Activity among Adults Residing in 11 Countries during the Covid-19 Pandemic Lockdown

    Open Access•Kai Ding, Jingzhen Yang et al.•International Journal of…•2021

  • Service-users’ perspectives of link worker social prescribing

    Open Access•Josephine M Wildman, Suzanne Moffatt et al.•BMC Public Health•2019

  • Behavioral Medicine Physiotherapy in the Context of Return to Work for Chronic Pain

    Open Access•Hedvig Zetterberg, Ida Flink et al.•International Journal of…•2022

  • Office workers' perspectives on physical activity and sedentary behaviour

    Open Access•Lorraine L Landais, Judith G M Jelsma et al.•BMC Public Health•2022

  • Long-term outcomes of a father-daughter program for sport participation, activity, wellbeing, and gender equity

    Open Access•P Morgan, Philip J Morgan et al.•BMC Public Health•2026

  • Effectiveness of referral to a population-level telephone coaching service for improving health risk behaviours in people with a mental health condition

    Open Access•Grace Hanly, Elizabeth Campbell et al.•BMC Public Health•2025

  • The Effect of Work Safety on Organizational Social Sustainability Improvement in the Healthcare Sector

    Open Access•Zia Ullah, Mohammad Ali Bait Ali Sulaiman et al.•International Journal of…•2021

  • Exploring the Influence of Social Capital on HIV Prevention with Migrants from the Democratic Republic of Congo (DRC) Living in Durban, South Africa

    Open Access•Mulumeoderhwa Buhendwa, Yvonne Sliep et al.•International Journal of…•2022

  • Initiation and maintenance of lifestyle changes among participants in a healthy life centre

    Open Access•Cille H Sevild, Christopher P Niemiec et al.•BMC Public Health•2020

  • Understanding Vocational Students’ Motivation for Dietary and Physical Activity Behaviors

    Open Access•Annabelle Kuipers, Gitte Kloek et al.•International Journal of…•2021

  • It makes me feel not so alone”

    Open Access•Todd Franke, Joanie Sims-Gould et al.•BMC Public Health•2021

  • Dietary Patterns of Competitive Swimmers with Moderate-to-Severe Cerebral Palsy

    Open Access•Jacqueline L Walker, Jessica Cartwright et al.•International Journal of…•2023

  • School Feeding as a Protective Factor against Insulin Resistance

    Open Access•Aline Bassetto Okamura, Vivian Siqueira Santos Gonçalves et al.•International Journal of…•2022

  • Motivation and Barriers to Maintaining Lifestyle Changes in Patients with Type 2 Diabetes after an Intensive Lifestyle Intervention (The U-Turn Trial)

    Open Access•Sabrina Krogh Schmidt, Liv Hemmestad et al.•International Journal of…•2020

  • Intervention Programme Based on Self-Determination Theory to Promote Extracurricular Physical Activity through Physical Education in Primary School

    Open Access•Rubén Llanos-Muñoz, Mikel Vaquero-Solís et al.•Children•2023

  • Investigating stress and health behaviour relationships in daily life

    Open Access•Jennifer Inauen, Julia Allan et al.•Health Psychology Review•2026

  • Efficacy of health behaviour interventions using the health action process approach

    Open Access•Menghao Xu, Ziqi Cai et al.•Health Psychology Review•2026

  • Systematic review and meta-analysis of the effectiveness of volitional help sheet interventions for health behaviour change

    Open Access•Ross J Stewart, Justin Presseau et al.•Health Psychology Review•2026

  • How do social contexts support practitioners’ uptake of Motivational Interviewing? Social identification and appraisal among child and family social workers

    Open Access•Elina Renko, Matti Heino et al.•Humanities and Social Sciences…•2025

  • Bridging the Gap Between UK Government Strategic Narratives and Public Opinion/Behavior

    Open Access•N Dagnall, Kenneth Drinkwater et al.•Frontiers in Communication•2020

  • Association Between Health Literacy and Work Ability in Employees With Health-Related Risk Factors

    Open Access•Madeleine Gernert, Gerrit Stassen et al.•Frontiers in Public Health•2022

  • The effects of traditional Chinese exercises on anxiety and depression in adults

    Open Access•Huan Feng, Yanjing Li et al.•Frontiers in Public Health•2025

  • Modeling the path to digital health intention

    Open Access•Bo Pu, Bowen Pu et al.•Frontiers in Public Health•2025

  • From awareness to action

    Open Access•Bassel Tarakji, Adel M Alqarni et al.•Frontiers in Public Health•2026

  • Habit strength as a partial explanation of the association between self-efficacy and self-management behaviors in type 2 diabetes

    Open Access•Yan Lin, Caihua Ye et al.•Frontiers in Public Health•2026

  • Physical activity and health-promoting lifestyles in adults with chronic diseases

    Open Access•Hanglin Yu, Zhaozhi Liu et al.•Frontiers in Public Health•2026

  • Impact of a nutrition education intervention on nutrition-related self-efficacy and locus of control among women in Lesotho

    Open Access•Mamotsamai Ranneileng, Mariëtte Nel et al.•Frontiers in Public Health•2023

  • The MedXFit-study – CrossFit as a workplace health intervention

    Open Access•Tom Brandt, Elisabeth Heinz et al.•Frontiers in Public Health•2024

  • Lay Public View of Neuroscience and Science-Based Brain Health Recommendations in Slovenia

    Open Access•Nastja Tomat, Matej Perovnik et al.•Frontiers in Public Health•2021

  • Effects of non-pharmacological interventions on body composition and physical function in older women with sarcopenic obesity

    Open Access•Chuang Zeng, Hengxu Du et al.•Frontiers in Public Health•2025

  • From perception to action in public health emergencies

    Open Access•Junjie Wei, Haoyang Ren•Frontiers in Public Health•2026

  • Resistance exercise snacks improve muscle mass in female university employees

    Open Access•Tom Brandt, Christian Thomas Lothar Schwandner et al.•Frontiers in Public Health•2024

  • Substance use disorder recovery research opportunities

    Open Access•Peter Gaumond, Lindsey Martin et al.•Frontiers in Public Health•2025

  • Generalization and maintenance of skill trials from physical education to recess in elementary school

    Shu Cheng, Kian Vanluyten et al.•Physical Education and Sport…•2025

  • Behavioural theories in smart tourism

    Sirong Chen, Yihong Chen et al.•Current Issues in Tourism•2026

  • Use of Implementation Science Concepts in the Study of Misinformation

    Open Access•Carla Bang, Kelly Carroll et al.•Health Education & Behavior•2025

  • The preference for and tolerance of exercise intensity

    Open Access•Paula Marques, Ana Jesus Andrade et al.•Current Psychology•2023

  • Ironic and non-significant? Longitudinal associations of negation self-regulation on snacking behavior and habit

    Open Access•Benjamín Reyes Fernández, Rafael Monge-Rojas et al.•Current Psychology•2026

  • Health behaviour

    Mycah Conner, Paul Norman•Psychology & Health•2023

  • Is a better planned day a healthier day? A daily diary study

    Alan Ross Anderson•Psychology & Health•2021

  • The Aussie-FIT process evaluation

    Dominika Kwasnicka, Craig Donnachie et al.•Psychology & Health•2022

  • Protecting children from Covid-19

    Open Access•Alison Wing Lam Wan, Martin S Hagger et al.•Psychology & Health•2024

  • Experiences of successful physical activity maintenance among adults with type 2 diabetes

    Jennie Blicher-Hansen, Joseph Chilcot et al.•Psychology & Health•2024

  • An intervention designed to investigate habit formation in a novel health behaviour

    Enrique Mergelsberg, Barbara Ann Mullan et al.•Psychology & Health•2021

  • Coping with fibromyalgia during the Covid-19 pandemic

    Open Access•Anne-Marie Bacon, Leah White et al.•Psychology & Health•2023

  • Establishing open science research priorities in health psychology

    Open Access•Evan Norris, Amy Prescott et al.•Psychology & Health•2024

  • Predictors of lapse and relapse in physical activity and dietary behaviour

    Open Access•Eline Roordink, Eline M Roordink et al.•Psychology & Health•2023

  • Developing habit-based health behaviour change interventions

    Open Access•Benjamin Gardner, Madelynne A Arden et al.•Psychology & Health•2023

  • Changes in virus-transmission habits during the Covid-19 pandemic

    Open Access•Amanda Rebar, Phillippa Lally et al.•Psychology & Health•2022

  • Motivational factors for initiating and maintaining physical activity among adults aged over fifty targeted by a tailored intervention

    Open Access•Denise A Peels, Peter Verboon et al.•Psychology & Health•2020

  • How habitual is everyday life? An ecological momentary assessment study

    Amanda Rebar, Grace E Vincent et al.•Psychology & Health•2025

  • Acceptability of a behaviour change intervention aimed at increasing the use of a reusable hot drink cup

    Open Access•Elizaveta Novoradovskaya, Barbara Ann Mullan et al.•Evaluation and Program Planning•2023

  • What Makes a Habit? Investigating Potential Determinants of Habit Formation

    Open Access•Sebastian Bürgler, Marina Milyavskaya et al.•Personality and Social Psychology…•2026

  • Digital behaviour change intervention for weight loss maintenance in adults with obesity

    Open Access•R A Asbjørnsen, E Børøsund et al.•Behaviour and Information…•2025

  • Does Self‐Determination Theory Associate With Physical Activity? A Systematic Review of Systematic Review

    Open Access•Zhongliang Xu, Samsudin Shamsulariffin et al.•International Journal of Psychology•2025

  • Facilitators and barriers to fitness bootcamp participation using the Behaviour Change Wheel

    Open Access•Leo De Winter, Leo Winter et al.•Health Education Journal•2022

  • Can the effects of high school culinary nutrition education be sustained into adulthood

    Open Access•Lynn Fredericks, Jennifer Utter et al.•Health Education Journal•2023

  • Sustainable and healthy food consumption in Europe

    Open Access•John Hyland, John J Hyland et al.•British Food Journal•2024

  • The importance of contextually specific support relationships in implementing programs to link people to medication for opioid use disorder (Moud) treatment during reentry from county jails

    Open Access•Margaret Mcgladrey, Marisa Booty et al.•Health & Justice•2025

  • Designing Robots for Marketplace Success

    Open Access•Natasha Randall, Selma Šabanović•International Journal of Social…•2024

  • BigMove

    Open Access•Sabina van der Veen, Natalie Evans et al.•International Journal of…•2022

  • The BigMove Intervention for People With Physical and Mental Health Conditions

    Open Access•Sabina van der Veen, Natalie Evans et al.•International Journal of…•2024

  • French citizens’ attitudes under Covid-19 pandemic

    Open Access•Sylvain Brouard•French Politics•2024

  • Impulsive versus reflective influences on health behavior

    Wilhelm Hofmann, Malte Friese et al.•Health Psychology Review•2008

  • Does theory influence the effectiveness of health behavior interventions? Meta-analysis.

    Andrew Prestwich, Falko F Sniehotta et al.•Health Psychology•2014

  • Value From Regulatory Fit

    Open Access•E Tory Higgins•Current Directions in Psychological…•2005

  • Reflective and Automatic Processes in the Initiation and Maintenance of Dietary Change

    Alexander J Rothman, Paschal Sheeran et al.•Annals of Behavioral Medicine•2009

  • Reflections on Past Behavior

    Open Access•Bas Verplanken, Sheina Orbell•Journal of Applied Social…•2003

  • Control yourself or just eat what you like? Weight gain over a year is predicted by an interactive effect of response inhibition and implicit preference for snack foods.

    Chantal Nederkoorn, Katrijn Houben et al.•Health Psychology•2010

  • Relapse Prevention for Alcohol and Drug Problems

    Katie Witkiewitz, G Alan Marlatt•American Psychologist•2004

  • Obesogenic environments

    Open Access•Joreintje D Mackenbach, Harry Rutter et al.•BMC Public Health•2014

  • Context change and travel mode choice

    Open Access•Bas Verplanken, Ian Walker et al.•Journal of Environmental Psychology•2008

  • Shape of the relapse curve and long‐term abstinence among untreated smokers

    Open Access•John R Hughes, Josue Keely et al.•Addiction•2004

  • Validation of the theoretical domains framework for use in behaviour change and implementation research

    Open Access•James E Cane, James Cane et al.•Implementation Science•2012

  • Prospective prediction of health-related behaviours with the Theory of Planned Behaviour

    Rosemary Robin Charlotte McEachan, Mycah Conner et al.•Health Psychology Review•2011

  • Long term maintenance of weight loss with non-surgical interventions in obese adults

    Open Access•S U Dombrowski, K Knittle et al.•BMJ•2014

  • Development of a theory of implementation and integration

    Open Access•C May, Carl R May et al.•Implementation Science•2009

  • Self-Regulation Failure

    Roy F Baumeister, Todd F Heatherton•Psychological Inquiry•1996

  • Modeling Health Behavior Change

    Open Access•Ralf Schwarzer•Applied Psychology•2008

  • A review and analysis of the use of ‘habit’ in understanding, predicting and influencing health-related behaviour

    Benjamin Gardner•Health Psychology Review•2015

  • Temporal self-regulation theory

    Peter A Hall, Geoffrey T Fong•Health Psychology Review•2007

  • Making psychological theory useful for implementing evidence based practice

    Susan Michie•BMJ Quality & Safety•2005

  • Beyond frequency

    Open Access•Bas Verplanken•British Journal of Social…•2006

  • An Ecological Perspective on Health Promotion Programs

    Open Access•Kenneth R McLeroy, Daniel L Bibeau et al.•Health Education Quarterly•1988

  • The theory of planned behavior

    Open Access•Icek Ajzen•Organizational Behavior and Human…•1991

  • Stages and processes of self-change of smoking

    James O Prochaska, Carlo C Diclemente•Journal of Consulting and…•1983

  • Preferred Reporting Items for Systematic Reviews and Meta-Analyses

    Open Access•David Moher, Alessandro Liberati et al.•Annals of Internal Medicine•2009

  • Developing and evaluating complex interventions

    Open Access•Peter Craig, Paul Dieppe et al.•BMJ•2008

  • Ecology of the family as a context for human development

    Urie Bronfenbrenner•Developmental Psychology•1986

  • A model of the precaution adoption process

    Neil D Weinstein, Peter M Sandman•Health Psychology•1992

  • Reflective and Impulsive Determinants of Social Behavior

    Open Access•Fritz Strack, Roland Deutsch•Personality and Social Psychology…•2004

  • When impulses take over

    Open Access•Malte Friese, Wilhelm Hofmann et al.•British Journal of Social…•2007

  • Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being

    Richard M Ryan, Edward L Deci•American Psychologist•2000

  • Habit, Attitude, and Planned Behaviour

    Bas Verplanken, Henk Aarts•European Review of Social…•1999

  • How are habits formed

    Open Access•Phillippa Lally, Cornelia H M Van Jaarsveld et al.•European Journal of Social…•2010

  • Action planning and coping planning for long-term lifestyle change

    Open Access•Falko F Sniehotta, Ralf Schwarzer et al.•European Journal of Social…•2005

  • Why dieters fail

    Open Access•Wolfgang Stroebe, Wendy Mensink et al.•Journal of Experimental Social…•2007

  • In search of how people change

    James O Prochaska, Janice Prochaska et al.•American Psychologist•1992

  • Toward an experimental ecology of human development

    Urie Bronfenbrenner•American Psychologist•1977

  • Dieting and binging

    Janet Polivy, C Peter Herman•American Psychologist•1985

  • The "What" and "Why" of Goal Pursuits

    Edward L Deci, Richard M Ryan•Psychological Inquiry•2000

  • Culturally compelling strategies for behaviour change

    Open Access•C Panter-Brick, Susan E Clarke et al.•Social Science & Medicine•2006

  • Self-regulation and depletion of limited resources

    Mark Muraven, Roy F Baumeister•Psychological Bulletin•2000

  • Control theory

    Charles S Carver, Michael F Scheier•Psychological Bulletin•1982

  • A Test of Major Assumptions About Behavior Change

    Dolores Albarracin, Jeffrey C Gillette et al.•Psychological Bulletin•2005

  • Successful Weight Loss Maintenance and a Shift in Identity

    Open Access•Eleni Epiphaniou, Jane Ogden•Journal of Health Psychology•2010

  • Understanding sustained behavior change

    Open Access•Jane Ogden, Louisa Hills•Health An Interdisciplinary…•2008

  • Implementing, Embedding, and Integrating Practices

    Open Access•C May, Tracy Finch•Sociology•2009

  • Yielding to Temptation

    Roy F Baumeister•Journal of Consumer Research•2002

Unique citing works158
Citations per year17,56
Citation span2017 - 2026 (10)
Citation velocitycurrent
Highly citedYes
Citation typesNeutral: 157
Ethnos_APP • Open Source Project • MIT License • Frontend v2.0.0 • Privacy and Cookies • API Documentation: api.ethnos.app/docs • API Source Code: GitHub • DOI: 10.5281/zenodo.17049435 • Frontend Source Code: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae