Position/s

Academic Staff
School of Psychology

Qualifications

B.Sc. (Hons.), Dip. App. Stat., Ph.D. (Flinders)

Honours, awards and grants

VCs Award for Excellence in Teaching (2012)

Teaching interests

Psychological Research Methods
Statistical data analysis

Topic Coordinator:

  • PSYC2018  Research Methods 2
  • PSYC3011  Ethics and Professional Practice in Psychology

Topic Lecturer:

  • PSYC2018  Research Methods 2
  • PSYC3013  Skills for Behavioural Scientists
  • PSYC7056  Research and Practice in Psychology

Research expertise

  • Psychology
  • Statistics

Research interests

My main research interest is in howthe role of confidence in memory judgments.  In particular, my main interests are around the misinformation effect (and memory conformity) as well as how confidence-accuracy plays a role.  In addition, I have an interest in emotion recognition and uncertainty orientation in decision-processes.

Supervisory interests

  • Confidence
  • Confidence-accuracy
  • Emotion recognition
  • Eyewitness memory, confidence
  • False memories
  • Metacognitive monitoring and control
  • Misinformation effect

RHD research supervision

Current

Principal supervisor : Misinformation effect, false memories, schemas (1) ;

Associate supervisor : job-person fit, remote health workers (1) ;

Publications

  • Williamson, P., Weber, N. and Fletcher, S. (2012). The role of intuitive statistical knowledge in confidence-accuracy calibration: How people make confidence judgments when guessing. In AM Columbus, ed. Advances in Psychology Research Volume 95. Hauppauge, New York: Nova Publishers, pp. 27-50.
    [Web Link]
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2007). Cognitive and social support factors in the development of acute trauma response in children. In Danielle A. Einstein, ed. Innovations and advances in cognitive behaviour therapy. Bowen Hills, QLD: Australian Academic Press, pp. 247-256.
  • Steelman-Allen, K., Orchard, S., Fletcher, K., Susan, C., Williamson, P. and McCarley, J. (2013). Attentional processes in detection of naval radar symbology. Annual Meeting of the Human Factors and Ergonomics Society. San Diego, USA. Oct 2013.
  • Skujins, P., Williamson, P. and Brewer, N. (2013). Memory accuracy and confidence in the misinformation paradigm: Differences between correct post-event information and misinformation. European Association of Psychology and Law Annual Conference. Coventry, UK. Sep 2013.
  • Williamson, P. and Lynch, S. (2013). Memory blends or compromise responses. 10th Biennial Meeting of the Society for Applied Research in Memory and Cognition. Rotterdam, Netherlands. Jun 2013.
  • Skujins, P. and Williamson, P. (2013). Using schemas in the misinformation effect to undrstand the role of the original memory. Australian and New Zealand Association of Psychiatry, Psychology and Law 2013 Conference. Adelaide, Australia. Nov 2013.
  • Heinrich, S., Marshall, P., Williamson, P. and Fabel, H. (2012). Cognitive and developmental outcomes of very preterm and very low birth weight children at school age. In Combined 17th Congress of the Federation of Asian and Oceania Perinatal Societies and the 16th Annual Congress of the Perinatal Society of Australia and New Zealand, Sydney, Australia. Combined 17th Congress of the Federation of Asian and Oceania Perinatal Societies and the 16th Annual Congress of the Perinatal Society of Australia and New Zealand, Sydney, Australia. Sydney, Australia. Mar 2012.
  • Sawyer, A., Williamson, P. and Young, R. (2011). Meta-cognitive processes in emotion recognition. Are they different for adults with Asperger's Syndrome? In Asia Pacific Autism Conference, Perth, Australia. Asia Pacific Autism Conference. Perth, Australia.
  • Young, R.L., Williamson, P.J. and Brewer, N. (2010). Detecting autism in children under three years. In 3rd Congress of the Asean Regional Union of Psychological Societies. 3rd Congress of the Asean Regional Union of Psychological Societies. Kuala Lumpur. Oct 2010.
  • Sawyer, A., Williamson, P.J., Young, R.L. and Sawyer, M. (2010). Can gaze avoidance explain why young people with Asperger's Syndrome have difficulty recognising emotions from faces? In American Academy of Child and Adolescent Psychiatry. American Academy of Child and Adolescent Psychiatry. New York. Oct 2010.
  • Williamson, P.J. and Young, R.L. (2010). An evaluation of the Early Intervention Research Program (EIRP) for children with autistic disorder at Flinders University, South Australia. In 15th International Conference of the Association of Psychology & Psychiatry for Adults and Children. 15th International Conference of the Association of Psychology & Psychiatry for Adults and Children. Athens, Greece. May 2010.
  • Williamson, P.J., Dinning, K.J., Chadunow, C., Gabbert, F. and Hope, L. (2009). Confidence and response order effects on eyewitness conformity. In 8th biennial meeting of the society for applied research in memory and cognition program. 8th Biennial Meeting of the Society for Applied Research in Memory and Cognition. Kyoto, Japan. Jul 2009.
    [Web Link]
  • Sawyer, A., Young, R.L. and Williamson, P.J. (2009). Understanding the eyes : face processing and emotion recognition in Autism Spectrum Disorders. In Asian Pacific Autism Conference. Asian Pacific Autism Conference. Sydney, NSW.
  • Young, R.L., Williamson, P.J., Brewer, N. and Bradshaw, G.E. (2009). When does typical development become atypical? In Asia Pacific Autism Conference 2009. Asia Pacific Autism Conference 2009. Sydney, Australia. Aug 2009.
  • Young, R.L., Williamson, P.J., Brewer, N. and Bradshaw, G.E. (2009). Early detection of autism in pre-verbal children. In 8th Annual International Meeting for Autism Research. 8th Annual International Meeting for Autism Research. Chicago, America. May 2009.
    [Web Link]
  • Kasauskas, J.T., Young, R.L. and Williamson, P.J. (2009). The link between autistic behaviours and feeding and eating problems. In Asia Pacific Autism Conference 2009. Asia Pacific Autism Conference 2009. Sydney, Australia. Aug 2009.
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2008). Cognitive and social support factors in PTSD and depression in children and adolescents following single-incident trauma. In AACBT National Conference. AACBT National Conference. Adelaide, Australia. Sep 2008.
  • Freeman, T.A., Roche, A.M., Williamson, P.J. and Pidd, K.J. (2007). Can the theory of planned behaviour improve our understanding of the influence of organisational factors on workers' behaviour? In Patrick Heaven, ed. Journal of Australian Psychology: Combined Abstracts of 2007 Australian Psychology Conferences. Australia: The Australian Psychological Society Ltd.. The 7th Industrial & Organisational Psychology Conference. Adelaide, SA. Sep 2007, pp. 94-94.
  • Weber, N., Williamson, P.J. and Woodard, L. (2007). Inclusion and elimination strategies and the confidence-accuracy relationship in face recognition. In SARMAC VII: The Society for Applied Research in Memory and Cognition. 7th Biannual Meeting of the Society for Applied Research in Memory and Cognition. Lewiston, Maine, USA. Jul 2007.
    [Web Link]
  • Young, R.L., Williamson, P.J. and Hedley, D. (2007). Autism Detection in Early Childhood. In Autism 2007 - Third AWARES International Online Autism Conference. Autism 2007 - Third AWARES International Online Autism Conference. Nov 2007.
    [Web Link]
  • Williamson, P.J. and Weber, N. (2007). Exploring confidence judgments when guessing. In The 7th Biannual Meeting of the Society for Applied Research in Memory and Cognition. The 7th Biannual Meeting of the Society for Applied Research in Memory and Cognition. Lewiston, USA. Jul 2007.
  • Weber, N., Williamson, P.J. and Woodard, L. (2007). The confidence-accuracy relationship in face recognition: Inclusion and elimination strategies. In EPC 2007: Program and Abstracts of the 34th Australasian Experimental Psychology Conference. London: Taylor and Francis. 34th Australasian Experimental Psychology Conference. Canberra, ACT. Apr 2007, pp. 65-65.
    [10.1080/00049530701658626]
  • Williamson, P.J., Gabbert, F., Memon, A. and Robertson, T. (2006). Confidence and expertise as influences on eyewitness conformity. In 4th International Conference on Memory. 4th International Conference on Memory. Sydney, NSW. Jul 2006.
  • Weber, N., Hogan, A.G. and Williamson, P.J. (2006). The confidence-accuracy relationship for positive and negative decisions. In 4th International Conference on Memory. 4th International Conference on Memory. Sydney, NSW. Jul 2006.
  • Tlauka, M., Williams, J. and Williamson, P.J. (2006). Inter- and intra-gender differences in spatial ability. In 33rd Australasian Experimental Psychology Conference. 33rd Australasian Experimental Psychology Conference. Brisbane, QLD. Apr 2006.
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2006). Cognitive factors in the development and maintenance of PTSD in children. In 29th National Conference of the Australian Association for Cognitive and Behaviour Therapy. 29th National Conference of the Australian Association for Cognitive and Behaviour Therapy. Sydney, NSW. Oct 2006.
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2006). Cognitive and family factors in the etiology and maintenance of PTSD in children following single incident trauma. In 22nd Annual Meeting of the International Society for Traumatic Stress Studies. 22nd Annual Meeting of the International Society for Traumatic Stress Studies. Hollywood, USA. Nov 2006.
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2006). Cognitive factors in the development and maintenance of PTSD in children. In Joint Annual Conference of the Australian Society for Traumatic Stress Studies and the Australian Centre for Posttraumatic Mental Health. Joint Annual Conference of the Australian Society for Traumatic Stress Studies and the Australian Centre for Posttraumatic Mental Health. Adelaide, SA. Sep 2006.
  • Williamson, P.J. and Mattiske, J.K. (2003). Cognitive appraisals as mediators of the self-efficacy relationship with anxiety and achievement. In 32nd annual meeting of the Society of Australasian Social Psychologists in Australian Journal of Psychology. Carlton, VIC: Australian Psychological Society. 32nd Annual Meeting of the Society for Australasian Social Psychologists. Melbourne, VIC. Apr 2003, pp. 69-69.
  • Williamson, P.J., Peay, E.R. and Mattiske, J.K. (2001). Does Confidence in Statistics Make a Difference? The Differential Role of Self-Efficiancy in Predicting Anxiety and Acheivement in Behavioural Statistics. In Platow, M; Kashima, Y, ed. Australian Journal of Psychology. Carlton, Vic: The Australian Psychological Society Ltd. 7th Annual Meeting of the Society of Australasian Social Psychologists. Melbourne, VIC. Jul 2001.
  • Williamson, P. and Woodyatt, L. (2014). Show up, don't beat yourself up. In The International First Year in Higher Education Conference. Queensland University of Technology. International First Year in Higher Education Conference. Darwin, Australia. Jul 2014, pp. 1-5.
  • Freeman, T.A., Roche, A.M., Williamson, P.J. and Pidd, K.J. (2007). Can the Theory of Planned Behaviour Improve Our Understanding of the Influence of Organisational Factors on Workers' Behaviour? In Dollard, M., Winefield, T., Tuckey, M., Winwood, P., ed. Conference Proceedings: 7th Industrial and Organisational Psychology Conference (IOP) / 1st Asia Pacific Congress on Work and Organisational Psychology (APCWOP) Melbourne: Australian Psychological Society. 7th Industrial and Organisational Psychology Conference (IOP) / 1st Asia Pacific Congress on Work and Organisational Psychology (APCWOP) Adelaide Convention Centre, SA, Australia. Jun 2007, pp. 81-85.
    [Web Link]
  • Young, R.L., Williamson, P.J., Brewer, N. and Partington, C. (2006). The early detection of pre-verbal autistic characteristics using autism detection in early childhood (ADEC) In Session Chairperson-Lorna Jacklin, ed. Autism Safari: 2nd World Autism Congress & Exhibition: Autism Spectrum Disorder. London, England: Jessica Kingsley Publishers. Autism Safari 2006. Cape Town, South Africa. Oct 2006.
    [Web Link]
  • Heath, M., Anderson, C., Bartel, K., Gradisar, M., Williamson, P., Lovato, N., et al. (2014). Does one hour of bright or short-wavelength filtered tablet screenlight have a meaningful effect on adolescents' pre-bedtime alertness, sleep, and daytime functioning? Chronobiology International, 31(4) pp. 496-505.
  • Horry, R., Colton, L. and Williamson, P. (2014). Confidence-accuracy resolution in the misinformation paradigm is influenced by the availability of source cues. Acta Psychologica, 151 pp. 164-173.
  • Sawyer, A., Williamson, P. and Young, R. (2014). Metacognitive processes in emotion recognition: Are they different in adults with Asperger's Disorder? Journal of Autism and Developmental Disorders, 44 pp. 1373-1382.
    [10.1007/s10803-013-1999-0]
  • Weber, N., Woodard, L. and Williamson, P. (2013). Decision strategies and the confidence-accuracy relationship in face recognition. Journal of Behavioral Decision Making, 26(2) pp. 152-163.
    [10.1002/bdm.1750]
  • Williamson, P., Weber, N. and Robertson, M. (2013). The effect of expertise on memory conformity: A test of informational influence. Behavioural Sciences and the Law, 31 pp. 607-623.
    [10.1002/bsl.2094]
  • Freeman, T.A., Roche, A., Williamson, P. and Pidd, K. (2012). What factors need to be addressed to support dental hygienists to assist their patients to quit smoking? Nicotine and Tobacco Research, 14(9) pp. 1040-1047.
    [10.1093/ntr/ntr329] [Scopus]
  • Sawyer, A., Williamson, P. and Young, R. (2012). Can gaze avoidance explain why individuals with Asperger's Syndrome can't recognise emotions from facial expressions? Journal of Autism and Developmental Disorders, 42(4) pp. 606-618.
    [10.1007/s10803-011-1283-0] [Scopus]
  • Freeman, T., Roche, A., Williamson, P. and Pidd, K. (2011). Hazardous alcohol use interventions with emergency patients: Self-reported practices of nurses, and predictors of behaviour. Emergency Medicine Australasia, 23(4) pp. 479-489.
    [10.1111/j.1742-6723.2011.01416.x] [Scopus]
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2009). The effects of social support and negative appraisals on acute stress symptoms and depression in children and adolescents. British Journal of Clinical Psychology, 48(4) pp. 347-361.
    [10.1348/014466508X401894] [10.1348/014466508X401894] [Scopus]
  • Tlauka, M., Williams, J.A. and Williamson, P.J. (2008). Spatial ability in secondary school students: intra-sex differences based on self-selection for physical education. British Journal of Psychology, 99(3) pp. 427-440.
    [10.1348/000712608X282806] [10.1348/000712608X282806] [Scopus]
  • Clifford, S., Young, R.L. and Williamson, P.J. (2007). Assessing the early characteristics of autistic disorder using video analysis. Journal of Autism and Developmental Disorders, 37(2) pp. 301-313.
    [10.1007/s10803-006-0160-8] [10.1007/s10803-006-0160-8] [Scopus]
  • Young, R.L., Williamson, P.J., Brewer, N., Ettridge, K. and Goren, T. (2006). La Deteccion Precoz de las Caracteristicas Autistas Preverbales. Psicologia Iberoamericana, 14(1) pp. 11-20.
  • Howells, K., Day, A., Williamson, P.J., Bubner, S., Jauncey, S., Parker, A., et al. (2005). Brief anger management programs with offenders: outcomes and predictors of change. Journal of Forensic Psychiatry and Psychology, 16(2) pp. 296-311.
    [10.1080/14789940500096099] [10.1080/14789940500096099] [Scopus]
  • Gardiner, M.L., Lovell, G. and Williamson, P.J. (2004). Physician you can heal yourself! Cognitive behavioural training reduces stress in GPs. Family Practice, 21(5) pp. 545-551.
    [10.1093/fampra/cmh511] [10.1093/fampra/cmh511] [Scopus]
  • Williamson, P.J., Day, A., Howells, K., Bubner, S. and Jauncey, S. (2003). Assessing offender readiness to change problems with anger. Psychology Crime and Law, 9(4) pp. 295-307.
    [10.1080/1068316031000073371] [10.1080/1068316031000073371] [Scopus]
  • Shute, R.H., De Blasio, T. and Williamson, P.J. (2002). Social support satisfaction of Australian children. International Journal of Behavioural Development, 26(4) pp. 318-326.
    [10.1080/01650250143000201] [10.1080/01650250143000201] [Scopus]
  • Tuckey, M.R., Brewer, N. and Williamson, P.J. (2002). The influence of motives and goal orientation on feedback seeking. Journal of Occupational and Organizational Psychology, 75(2) pp. 195-216.
    [10.1348/09631790260098677] [10.1348/09631790260098677] [Scopus]
  • Heath, M., Anderson, C., Bartel, K., Gradisar, M., Williamson, P., Lovato, N., et al. (2014). Does one hour of bright or short-wavelength filtered tablet screenlight have a meaningful effect on adolescents' pre-bedtime alertness, sleep, and daytime functioning? Chronobiology International, 31(4) pp. 496-505.
  • Horry, R., Colton, L. and Williamson, P. (2014). Confidence-accuracy resolution in the misinformation paradigm is influenced by the availability of source cues. Acta Psychologica, 151 pp. 164-173.
  • Sawyer, A., Williamson, P. and Young, R. (2014). Metacognitive processes in emotion recognition: Are they different in adults with Asperger's Disorder? Journal of Autism and Developmental Disorders, 44 pp. 1373-1382.
    [10.1007/s10803-013-1999-0]
  • Weber, N., Woodard, L. and Williamson, P. (2013). Decision strategies and the confidence-accuracy relationship in face recognition. Journal of Behavioral Decision Making, 26(2) pp. 152-163.
    [10.1002/bdm.1750]
  • Williamson, P., Weber, N. and Robertson, M. (2013). The effect of expertise on memory conformity: A test of informational influence. Behavioural Sciences and the Law, 31 pp. 607-623.
    [10.1002/bsl.2094]
  • Freeman, T.A., Roche, A., Williamson, P. and Pidd, K. (2012). What factors need to be addressed to support dental hygienists to assist their patients to quit smoking? Nicotine and Tobacco Research, 14(9) pp. 1040-1047.
    [10.1093/ntr/ntr329] [Scopus]
  • Sawyer, A., Williamson, P. and Young, R. (2012). Can gaze avoidance explain why individuals with Asperger's Syndrome can't recognise emotions from facial expressions? Journal of Autism and Developmental Disorders, 42(4) pp. 606-618.
    [10.1007/s10803-011-1283-0] [Scopus]
  • Freeman, T., Roche, A., Williamson, P. and Pidd, K. (2011). Hazardous alcohol use interventions with emergency patients: Self-reported practices of nurses, and predictors of behaviour. Emergency Medicine Australasia, 23(4) pp. 479-489.
    [10.1111/j.1742-6723.2011.01416.x] [Scopus]
  • Ellis, A.A., Nixon, R.D. and Williamson, P.J. (2009). The effects of social support and negative appraisals on acute stress symptoms and depression in children and adolescents. British Journal of Clinical Psychology, 48(4) pp. 347-361.
    [10.1348/014466508X401894] [10.1348/014466508X401894] [Scopus]
  • Tlauka, M., Williams, J.A. and Williamson, P.J. (2008). Spatial ability in secondary school students: intra-sex differences based on self-selection for physical education. British Journal of Psychology, 99(3) pp. 427-440.
    [10.1348/000712608X282806] [10.1348/000712608X282806] [Scopus]

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