Publications
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Psychosis
Greenway, F., Weal, M., & Palmer-Cooper, E. C. (Submitted 2025). Exploring Internet- and Technology-Related Suspicious Delusions and Their Impact on Online Engagement in OCD Populations. A Mixed Methods Study. PsyArXiv, https://doi.org/10.31234/osf.io/k53t7_v1
Greenway, F., Weal, M., & Palmer-Cooper, E. C. (Submitted 2025) Revalidation of the Cyber Fear and Paranoia Scale in the Context of Current Technology. PsyArXiv, https://doi.org/10.31234/osf.io/zpfnv_v1
Palmer-Cooper, E. C., & Clifton, J. (Submitted 2025) Beliefs about the world and psychosis-spectrum experiences. PsyArXiv, https://doi.org/10.31234/osf.io/xwujp
Palmer-Cooper, E. C, Gentry, E., Nichele, E., Azim, T., Naiseh, M., Dowthwaite, L., …. (Submitted 2025) “I don’t trust it, but I have to trust it”: The Paradox of Trust vs Use of Online Technology Across The Mental Health Spectrum. PsyArXiv, https://doi.org/10.31219/osf.io/n6rvx_v1
Miles, M., Golm, D., & Palmer-Cooper, E. C. (Revise and Resubmit, 2025)The Association between Autism and Psychosis and the Tools Used to Measure it: An Updated Systematic Review and Meta-Analysis. PsyArXiv, http://osf.io/preprints/psyarxiv/yz2sd_v
Ellett, L., Kingston, J., Tarrant, E., Kouimtsidis, C., Vivarelli, L., & Chadwick, P. (In Press) Self structure and persecutory delusions. Behavior Therapy.
Kingston, J., Schlier, B., Lincoln, T., So, S., Gaudiano, B., Morris, E., & Ellett, L. (In Press) Paranoid thinking a function of minority group status and intersectionality: An international examination of the role of negative beliefs. Schizophrenia Bulletin.
Ellett, L., Schlier, B., Kingston, J.L., Zhu, C., et al. (In Press) Pandemic paranoia in the general population: International prevalence and sociodemographic profile. Psychological Medicine.
Ellett, L., Foxall, A., Wildschut, R.T., & Chadwick, P. (In Press) Dispositional forgiveness buffers the effect of interpersonal transgression on paranoia. Journal of Personality.
Ellett, L., Wildschut, T., & Chadwick, P. (In Press) Schizophrenia increases competitiveness in interpersonal interactions: A serial process model. Schizophrenia Bulletin.
Deane, A., Ellett, L., & Hayward, M. (In Press) A psychoeducational workshop for the parents of young voice hearers: A preliminary investigation into acceptability and clinical outcomes in an NHS CAMHS. Clinical Child Psychology and Psychiatry.
Palmer-Cooper, E.C., Wright, Abigail C, Maguire, Nicola, Montagnese, Marcella, Dlugunovych, Viktor, Cella, Matteo, Wykes, Til, (2023) Metacognition and psychosis-spectrum experiences: a study of objective and subjective measures.Schizophrenia Research,
Wright, Abigail C, Palmer-Cooper, Emma, Cella, Matteo, McGuire, Nicola, Montagnese, Marcella, Dlugunovych, Viktor, Liu, Chih-Wei Joshua, Wykes, Til, Cather, Corinne, (2023) Experiencing hallucinations in daily life: The role of metacognition.Schizophrenia Research,
Partridge, O. J., Maguire, T., & Newman-Taylor, K. (2022). Pathways from insecure attachment to paranoia: the mediating role of emotion regulation. Behavioural and Cognitive Psychotherapy. https://doi.org/10.1017/S1352465822000029
Ellett, L., Dannahy, L., & Chadwick, P. (2022). Engagement, clinical outcomes and therapeutic process in online mindfulness for psychosis groups delivered in routine care. Psychology and Psychotherapy: Theory, Research and Practice.
So, S., Zhu, C., Lincoln, T., Gaudiano, B., Kingston, J., Ellett, L., & Morris, E. (2022). Pandemic paranoia, general paranoia and their relationships with worry about beliefs about self/others: A multi-site latent class analysis. Schizophrenia Research.
Hepper, E. G., Ellett, L., Kerley, D., & Kingston, J. L. (2021). Are they out to get me? Individual differences in nonclinical paranoia as a function of narcissism and defensive self‐protection. Journal of personality.
Kingston, J., Schlier, B., Ellett, L., So, S., Gaudiano, B., Morris, E., & Lincoln, T. (2021). The pandemic paranoia scale (PPS): factor structure and measurement invariance. Psychological Medicine, 1-10.
Golden, H., Vosper, J., Kingston, J., & Ellett, L. (2021). The impact of mindfulness-based programmes on self-compassion in nonclinical populations: a systematic review and meta analysis. Mindfulness, 12, 29-52.
Ellett, L., & Chadwick, P. (2021). Recommendations for monitoring harm in mindfulness for psychosis research. British Journal of Psychiatry, 219(6), 629-631
Palmer-Cooper, E.C, McGuire, N., Wright, A.C., (2021) Unusual experiences and their association with metacognition: investigating ASMR and Tulpamancy.Cognitive Neuropsychiatry, 27(2-3), 86-104.
Cullen, Alexis E, Palmer-Cooper, E. C., Hardwick, Marc, Vaggers, Sophie, Crowley, Hannah, Pollak, Thomas A, Lennox, Belinda R.(2021) Influence of methodological and patient factors on serum NMDAR IgG antibody detection in psychotic disorders: a meta-analysis of cross-sectional and case-control studies.The Lancet Psychiatry.8,2,109-120.
Paulik, G., Newman-Taylor, K., Steele, C., & Arntz, A. (2020). Managing dissociation in imagery rescripting for voice hearers with trauma: Lessons from a case series. Cognitive and Behavioral Practice. https://doi.org/10.1016/j.cbpra.2020.06.009.,
McSherry, P., & Newman-Taylor, K. (2020). Targeting affect leads to reduced paranoia in people with psychosis: a single case series. Behavioural and Cognitive Psychotherapy. https://doi.org/10.1017/S1352465820000788
Ellett, L., Tarant, E., Kouimtsidis, C., Kingston, J., Vivarelli, L., Mendis, J., & Chadwick, P. (2020). Group mindfulness-based therapy for persecutory delusions: A pilot randomised controlled trial. Schizophrenia Research, 1-3.
Newman-Taylor, K., & Abba, N. (2019). Mindfulness in CBT for psychosis. In C. Cupitt (Ed.), CBT for Psychosis: Process-oriented therapies and the third wave (pp. 64-78). Routledge: International Society for Psychological and Social Approaches to Psychosis Book Series.
Rose, M., Ellett, L., Huddy, V., & Brown, G. (2019). The simulation heuristic, paranoia and social anxiety in a nonclinical sample. Journal of Behavior Therapy and Experimental Psychiatry, 62, 15-21.
Kingston, J., Lassman, F., Fialho-Matias, C. & Ellett, L. (2019). Mindfulness and nonclinical paranoia: A cross-sectional, longitudinal and experimental analysis. Mindfulness, 10, 2038-2045.
Evans, N., Ellett, L., Carpenter, R., & Kingston, J. (2019). Immediate and short term effects of values-based interventions on paranoia. Journal of Behavior Therapy and Experimental Psychiatry, 1-37.
Butler, R., Berry, K., Ellett, L., & Bucci, S. (2019). An experimental investigation of the impact of critical and warm comments on state paranoia in a nonclinical sample. Journal of Behavior Therapy and Experimental Psychiatry, 62, 30-37.
Lennox, B. R., Tomei, G., Vincent, S., Yeeles, K., Pollard, R., Palmer-Cooper, E. C., Jones, P.B., Zandi, M. S., Coles, A. (2019) Study of immunotherapy in antibody positive psychosis: feasibility and acceptability (SINAPPS1) Journal of Neurology, Neurosurgery & Psychiatry.90,3,365-367.
Ellett, L., Luzon, O., Birchwood, M., Abbas, Z., Harris, A., & Chadwick, P. (2017). Distress, omnipotence and responsibility beliefs in command hallucinations. British Journal of Clinical Psychology, 56(3), 303-309.
Vorontsova, N., & Ellett, L. (2017). Depression, goals and motivations in people with persecutory delusions. Psychiatry Research, 254, 133-134.
O’Connor, J., Ellett, L., et al. (2017). Can cognitive insight predict recovery in a first episode cohort? BMC Psychiatry, 17, 54.
Hutton, J., Berry, K., & Ellett, L. (2017). Adult attachment and paranoia: An experimental investigation. The Cognitive Behaviour Therapist.
Lennox, B. R, Palmer-Cooper, E. C., Pollak, T., Hainsworth, J., Marks, J., Jacobson, L., Lang, B. Fox, H., Ferry, B., and Scoriels, L.(2017) Prevalence and clinical characteristics of serum neuronal cell surface antibodies in first-episode psychosis: a case-control study. The Lancet Psychiatry.4,1,42-48.
Gilleen, J., Strelchuk, D., Palmer, E.C. (2017) 186. Insight into Schizophrenia and Its Relationship With Clinical Symptoms: A Meta-Analysis Involving 20 515 Patients. Schizophrenia bulletin.43,Suppl 1,S98
Shaikh, M., Ellett, L., Dutt, A., Day, F., Laing, J., Kroll, J., Petrella, S., Mcguire, P. & Valmaggia, L. (2016). Perceived ethnic discrimination and persecutory paranoia in individuals at ultra-high risk of psychosis. Journal of Psychiatric Research. 241, 309–314.
Harrop, C., Lobban, F., Ellett, L., Brand, R. (2016). People with psychosis want friends and love relationships – can professionals help? Early Intervention in Psychiatry, 10, 69.
Chadwick, P., Strauss, C., Jones, A.M., Kingdon, D., Ellett, L., Dannahy, L., & Hayward, M. (2016). Group mindfulness-based intervention for distressing voices: A pragmatic randomised controlled trial. Schizophrenia Research, 175, 168-73.
Newman-Taylor, K., & Abba, N. (2015). Mindfulness meditation in CBT for psychosis. In B. Gaudiano (Ed.) Incorporating Acceptance and Mindfulness into the Treatment of Psychosis: Current Trends and Future Directions. Oxford University Press.
Newman-Taylor, K., Herbert, L., Woodfine, C., & Shepherd, G. (2015). Are we delivering recovery-based mental health care? An example of co-produced service evaluation. Clinical Psychology Forum, 268, 50-54.
Shaikh, M., Dutt, A., Broome, M., Vozmediano, A., Ranlund, S., Diez, A., Caseiro, O., Lappin, J., Amankwa, S., Carletti, F., Fusar-Poli, P., Walshe, M., Hall, M. H., Howes, O., Ellett, L., Murray, R. M., McGuire, P., Valmaggia, L. & Bramon, E. (2015). Sensory gating deficits in the attenuated psychosis syndrome. Schizophrenia Research, 161,277–282.111.
Georgiades, A., Farqharson, L., & Ellett, L. (2015). Resilience, recovery style and stress in early psychosis. Psychosis, 7(2), 183-185.
Malcolm, C., Picchioni, M. & Ellett, L. (2015). Intrusive prospective imagery, posttraumatic intrusions and anxiety in Schizophrenia. Psychiatry Research, 230(3), 899–904.
Palmer, E. C., Gilleen, James, David, Anthony S, (2015) The relationship between cognitive insight and depression in psychosis and schizophrenia: a review and meta-analysis.Schizophrenia research.166,1,261-268.
Kingston, J.K., & Ellett, L. (2014). Self-affirmation and nonclinical paranoia. Journal of Behavior Therapy and Experimental Psychiatry, 45 (4), 502-5.
Paget, A., & Ellett, L. (2014). Relationships between self, others and persecutors in individuals with persecutory delusions: A repertory grid analysis. Behavior Therapy, 45, 273-282.
Harrop, C., Ellett, L., Brand, R., & Lobban, F. (2014). Peer interventions in early psychosis: A call to action. Early intervention in Psychiatry, 269-278.
Lawlor, C., Hall, K., & Ellett, L. (2014). Paranoia in the therapeutic relationship in Cognitive Behaviour Therapy for psychosis. Behavioural and Cognitive Psychotherapy, 43(4), 1469-1833
Allen-Crooks, R., & Ellett, L. (2014). Naturalistic change in nonclinical paranoia. Behavioural and Cognitive Psychotherapy, 42(5), 634-649.
Ellett, L., & Wildschut, T. (2014). Are we all paranoid? The Psychologist.
Nair, A. Palmer, E. C., Aleman, A., David, A. S. (2014) Relationship between cognition, clinical and cognitive insight in psychotic disorders: a review and meta-analysis.Schizophrenia research.152,1,191-200.
Newman-Taylor, K., & Sambrook, S. (2013). The role of dissociation in psychosis; implications for clinical practice. In F. Kennedy, H. Kennerley, & D. Pearson (Eds.), Cognitive Behavioural Approaches to the Understanding and Treatment of Dissociation. Routledge.
Whomsley, S., Cupitt, C., Jolley, S., Cooke, A., Morris, J., Ruddle, A., Rosebert, C., & Newman-Taylor, K. (2013). Psychosis and schizophrenia in adults: British Psychological Society response to the NICE consultation. British Psychological Society.
Newman Taylor, K., & Abba, N. (2013). Mindfulness mit psychose. In A. Knuf, & M. Hammer (Eds.), Die Entdeckung der Achtsamkeit in der Arbeit mit Psychisch Erkrankten Menschen (pp. 134-150). Psychiatrie Verlag.
Ellett, L., Allen, R., Stevens, A., Wildschut, T., & Chadwick, P. (2013). A paradigm for the study of paranoia in the general population: The Prisoner’s Dilemma Game. Cognition and Emotion, 27, 53-63.
Allison, G., Harrop., C., & Ellett, L. (2013). Perception of peer group rank of individuals with early psychosis. British Journal of Clinical Psychology, 52, 1-11.
Ellett, L. (2013). Mindfulness for paranoid beliefs: Evidence from two case studies. Behavioural & Cognitive Psychotherapy, 41(2), 238-243.
Palmer, E. C., David, Anthony S, (2013) More work on lack of awareness and insight in healthy people and psychiatric patients will assist model building.Cognitive neuroscience.4,45019,206-207.
Theodore, K., Johnson, S., Chalmers-Brown, A., Doherty, R., & Ellett, L. (2012). Quality of Life and illness beliefs in individuals with early psychosis. Social Psychiatry & Psychiatric Epidemiology, 47(4), 545-551.
Stilo, S. A, Di Forti, M., Mondelli, V, Falcone, A. M., Russo, M., O’Connor, J., Palmer, E.C., Paparelli, A., Kolliakou, A., Sirianni, M.(2012) Social disadvantage: cause or consequence of impending psychosis?.Schizophrenia bulletin.39,6,1288-1295.
Hubbard, K., Palmer, E. C., Stilo, S., Gayer-Anderson, C., Onyejiaka, A., Borges, S., Gardner, C., Velikonja, T., Kurti, A., Keraite, A. (2012) Control Sampling and Selection Bias in Case-Control Studies of Psychosis.Schizophrenia Research.136,,S217-S218.
Newman Taylor, K., Harper, S., & Chadwick, P. (2009). Impact of mindfulness on cognition and affect in voice hearing: evidence from two case studies. Behavioural and Cognitive Psychotherapy, 37(4), 397-402. https://doi.org/10.1017/S135246580999018X Newman Taylor, K., Graves, A., & Stopa, L. (2009). Strategic cognition in paranoia: the use of thought control strategies in a non-clinical population. Behavioural and Cognitive Psychotherapy, 37(1), 25-38. https://doi.org/10.1017/S1352465808005006
Ellett, L., Freeman, D., & Garety, P.A. (2008). The psychological effect of an urban environment on individuals with persecutory delusions: The Camberwell Walk Study. Schizophrenia Research, 99, 77-84.
Chadwick, P., Barnbrook, E., & Newman-Taylor, K. (2007). Responding mindfully to distressing voices: links with meaning, affect and relationship with voice. Tidsskrift for Norsk Psykologforening, 44(5), 581-587.
Ellett, L., & Chadwick, P. (2007). Paranoid cognitions, failure and focus of attention in college students. Cognition and Emotion, 21, 558-576.
Jolley, S., Garety, P.A., Ellett, L., Kuipers, E., Freeman, D., Bebbington, P.E., Fowler, G., & Dunn, G. (2006). A validation of a new measure of activity in psychosis. Schizophrenia Research, 85, 288-295.
Ellett, L., Lopes, B., & Chadwick, P. (2003). Paranoia in a non-clinical population of college students. Journal of Nervous and Mental Disease, 191, 425-430.
Newman-Taylor, K., Isham, L., & Brabban, A. (2025). Ten misconceptions about CBT for psychosis. The Cognitive Behaviour Therapist, 18. https://doi.org/10.1017/s1754470x25100275
Bipolar
Tröger, A., Zeng, Y., Richardson, T., Palmer-Cooper, E. C., Young, A. H., & Strawbridge, B. (Revise and Resubmit, 2025) Cross-sectional and longitudinal comparison of commonly used screening tools for bipolar disorders, PsyArXiv, https://doi.org/10.31234/osf.io/j479a_v2
Strawbridge, R., Alexandar, L., Richardson, T. Young, A.H., Cleare, A. J. (2023) Is there a ‘bipolar iceberg’ in UK primary care psychological therapy services? Psychological Medicine, Epub ahead of print.
Lea, K. Richardson T. & Rauze, N. (2023). The Relationship Between Mood Symptom Severity and Perfectionism Sub-types in Mood Disorders: A Systematic Review and Meta-Analysis. Brain Sciences, Epub.
Blair, J., Brozena, J. Matthews, M., Richardson, T. & Abdullah, S. (2022). Financial technologies (FinTech) for mental health: The potential of objective financial data to better understand the relationships between financial behavior and mental health. Frontiers in Psychiatry.
Richardson T. & White, L. (2019). The Impact of a CBT-Based Bipolar Disorder Psychoeducation Group on Views about Diagnosis, Perceived Recovery, Self-Esteem and Stigma. Cognitive Behaviour Therapist, 12, 343
Atuk, A. & Richardson, T. (2020). Relationship between dysfunctional beliefs, self-esteem and symptoms of mania and depression over time in bipolar disorder. Psychology and Psychotherapy: Theory, Research and Practice, Early View.
Richardson, T., Jansen M. & Fitch, C. (2019) Financial Difficulties in Bipolar Disorder Part 2: Psychological Correlates and a Proposed Psychological Model. Journal of Mental Health, 8, 1-9.
Richardson, T., Jansen M. & Fitch, C. (2018). Financial Difficulties in Bipolar Disorder Part 1: Longitudinal Relationships with Mental Health. Journal of Mental Health, 27(6):595-601.
Richardson, T. (2017) Bipolar group work quoted in ‘Who’s job is it anyway?’ report by Money and Mental Health Policy Institute.
Richardson, T., Jansen, M., Turton, W. & Bell, L. (2017). The Relationship Between Bipolar Disorder and Financial Difficulties: A Qualitative Examination of Patient’s Views. Clinical Psychology Forum, 295, 2-6.
Richardson, T. The Dark Side of Being a Clinical Psychologist with Bipolar Disorder: A Response to Ho (2016). Psychosis, 7(4), 374.
Richardson, T. (2013). Letter to the Editor: Distinguishing Bipolar Disorder from Major Depressive Disorder: Does an Increased Risk of Substance Use Account for other Differences? Bipolar Disorders, 15, 114.
Richardson, T. (2013). Substance Use in Depression and Bipolar Disorder: A Review of Psychological Interventions and Considerations for Clinical Practice. Mental Health and Substance Use: Dual Diagnosis, 6(1), 76-93.
Chadwick, P., Kaur, H., Swalem, M., Ross, S., & Ellett, L. (2011). Experience of mindfulness in people with bipolar disorder: A qualitative study. Psychotherapy Research, 21 (3), 277-285. Brand, R., Harrop, C., & Ellett, L. (2011). What is it like being friends with a young person with psychosis: A qualitative study. Psychosis, 3 (3), 205-215.
Brand, R., Harrop, C., & Ellett, L. (2011). What is it like being friends with a young person with psychosis: A qualitative study. Psychosis, 3 (3), 205-215.
Richardson, T. & Garavan, H. (2011). Relationships between substance use and hypomanic symptoms in a non-clinical sample. Mental Health and Substance Use, 4(3), 211-221.
Richardson, T. & Lu, R-B. (2011). Clinical symptoms and Neurocognitive Performance: Potential Impact of Substance Use. Bipolar Disorders, 13: 433–434.
Richardson, T. (2011). Correlates of Substance Use Disorder in Bipolar Disorder: A Systematic Review and Meta Analysis. Mental Health and Substance Use, 4(3), 239-255.
Richardson, T. (2010). Psychosocial Interventions for Bipolar Disorder: A Review of Recent Research. Journal of Medical Research, 20(6), 143-152.
Richardson, T. & Garavan, H. (2010). Relationships between hypomanic symptoms and impulsivity and risk-taking propensity in an international sample of undergraduate students. Undergraduate Research Journal for the Human Sciences, Volume 9.
Richardson, T. (2009). Hypomania: A brief review of conceptual and diagnostic issues. New Zealand Medical Student Journal, 20, 25-9
Richardson, T. & Garavan, H. (2009). Hypomanic symptoms in female undergraduate students diagnosed with unipolar depression based on scores on the Hypomania Checklist. Clinical Practice and Epidemiology in Mental Health, 5, 22-5.
Richardson, T. & Garavan, H. (2009). Self Reported Hypomanic and Psychotic Symptoms are Positively Correlated in an International Sample of Undergraduate Students. Asian Journal of Epidemiology, 2(3), 59-65.
Richardson, T. (2009). Letter to the editor regarding ‘Conceptualizing impulsivity and risk taking in bipolar disorder: importance of history of alcohol abuse’. Bipolar Disorders, 11(5), 555-6.
Other Papers
Palmer-Cooper, E.C., Seneviratne, R.S., & Woodford. E (2024) Can self-guided colouring improve university student wellbeing, mental health and mindfulness? Arts and Health
Seneviratne, R.S., Brandt, V.C., Garner., M.J., & Palmer-Cooper, E.C. (Revise and Resubmit, 2025) The effectiveness of mindfulness-based programs for mental health outcomes in young adults: a systematic review and meta-analysis. PsyArXiv
Kamash, Z., Ferrey, A., Jassam, O., & Palmer-Cooper, E.C. (Accepted, 2023) Heritage and wellbeing in a cross-cultural context: challenges and opportunities. In Danville, H. (Ed) Heritage and Wellbeing. To be Open Access and available in full as a free download from the publisher’s website (Archaeopress), in PDF format in 2024.
Adams, K., Edwards, A., Peart, C., Ellett, L., Mendes, I., Bird, G., & Murphy, J. (In Press) The association between anxiety and cardiac interoceptive accuracy: A systematic review and meta analysis. Neuroscience and Biobehavioural Reviews.
Lincoln, T., Schlier, B., Strakeljahn, F., Gaudiano, B., So, S., Kingston, J., Morris, E., & Ellett, L. (2022). Taking a machine learning approach to optimise prediction of vaccine hesitancy in high income countries. Scientific Reports.
Kingston, J., Becker, L., Woeginger, J., & Ellett, L. (2020). A randomised trial comparing a brief online delivery of mindfulness-plus-values versus values only for symptoms of depression: Does baseline severity matter? Journal of Affective Disorders, 276, 936-944.
Wills, A., Ellett, L., Milton, F., Croft, G., & Beesley, T. (2020). A dimensional summation account of polymorphous category learning. Learning and Behaviour, 48(1), 66-83.
Pollak, T. A., Coutinho, E., Palmer-Cooper, E. C., Vincent, A.(2020) Inflammatory and autoimmune disorders in neuropsychiatry.In: Oxford Textbook of Neuropsychiatry.
Brandt, V. C., Kerner auch Koerner, J., Palmer-Cooper, E.C. (2019) The association between non-obscene socially inappropriate behavior and symptoms of ADHD and conduct problems in a large sample of adolescents.Frontiers in Psychiatry.10,,660.
Palmer-Cooper, E. C.(2018) Public involvement in research-Just good science.The Psychologist.31,6,46-47.
Palmer-Cooper,E. (2016) Bad press for peer review: is it deserved?.European Science Editing.42,3,.
Palmer, E. C., David, Anthony S, Fleming, Stephen M, (2014) Effects of age on metacognitive efficiency.Consciousness and cognition.28,,151-160.
Liu, W., Carnelley, K.B., & Newman-Taylor, K. (2025). How does attachment affect help-seeking in people with paranoia and psychosis? The role of emotion regulation, self-stigma and perceived support. Schizophrenia Research, 285, 75-86. https://doi.org/10.1016/j.schres.2025.08.017