I am an experimental psychologist, working primarily on problem solving from a distributed cognition perspective. I run the Systemic Cognition Lab at Kingston (https://syscoglab.com/)
Professor of Psychology
Vallée-Tourangeau, Frédéric, Green, Anna, March, Paul L. and Steffensen, Sune Vork (2024) Objects as knowledge : a case study of outsight. Possibility Studies & Society, ISSN (print) 2753-8699 (Epub Ahead of Print)
Turner, Rose and Vallée-Tourangeau, Frédéric (2022) Challenges of measuring empathic accuracy : a mentalizing versus experience-sharing paradigm. British Journal of Social Psychology, ISSN (print) 0144-6665 (Epub Ahead of Print)
Ross, Wendy and Vallée-Tourangeau, Frédéric (2022) Insight with stumpers : normative solution data for 25 stumpers and a fresh perspective on the accuracy effect. Thinking Skills and Creativity, p. 101114. ISSN (print) 1871-1871 (Epub Ahead of Print)
Ross, Wendy and Vallée-Tourangeau, Frédéric (2022) Rewilding cognition : complex dynamics in open experimental systems. Journal of Trial and Error, 2(1), ISSN (online) 2667-1204
Ross, Wendy and Vallée-Tourangeau, Frédéric (2022) Accident and agency : a mixed methods study contrasting luck and interactivity in problem solving. Thinking & Reasoning, 28(4), pp. 487-528. ISSN (print) 1354-6783
Ross, Wendy and Vallée-Tourangeau, Frédéric (2021) Kinenoetic analysis : unveiling the material traces of insight. Methods in Psychology, 5, p. 100069. ISSN (online) 2590-2601
Ross, Wendy and Vallée-Tourangeau, Frédéric (2021) Microserendipity in the creative process. Journal of Creative Behavior, 55(3), pp. 661-672. ISSN (online) 2162-6057
Ross, Wendy and Vallee-Tourangeau, Frederic (2021) Catch that word : interactivity, serendipity and verbal fluency in a word production task. Psychological Research, 85, pp. 842-856. ISSN (print) 0340-0727
Cooper, Susan and Vallée-Tourangeau, Frédéric (2021) Correction to: The effects of numeracy and presentation format on judgments of contingency. Memory and Cognition, 49, p. 400. ISSN (print) 0090-502X
Cooper, Susan and Vallee-Tourangeau, Frédéric (2021) The effects of numeracy and presentation format on judgments of contingency. Memory & Cognition, 49(2), pp. 389-399. ISSN (print) 0090-502X
Turner, Rose and Vallée-Tourangeau, Frédéric (2020) Fiction effects on social cognition : varying narrative engagement with cognitive load. Scientific Study of Literature, 10(1), pp. 94-127. ISSN (print) 2210-4372
Vallée-Tourangeau, Freédéric and March, Paul L. (2020) Insight out : making creativity visible. The Journal of Creative Behavior, 54(4), pp. 824-842. ISSN (online) 2162-6057
Vallée-Tourangeau, Frédéric and Vallée-Tourangeau, Gaëlle (2020) Mapping systemic resources in problem solving. New Ideas in Psychology, 59, p. 100812. ISSN (print) 0732-118X
Vallée-Tourangeau, Frédéric, Ross, Wendy, Ruffatto Rech, Renata and Vallée-Tourangeau, Gaëlle (2020) Insight as discovery. Journal of Cognitive Psychology, ISSN (print) 2044-5911 (Epub Ahead of Print)
Ross, Wendy, Vallee-Tourangeau, Frederic and Van Herwegen, Jo (2020) Mental arithmetic and interactivity : the effect of manipulating external number representations on older children's mental arithmetic success. International Journal of Science and Mathematics Education, 18, pp. 985-1000. ISSN (print) 1571-0068
Henok, Niyat, Vallee-Tourangeau, Frederic and Vallee-Tourangeau, Gaelle (2020) Incubation and interactivity in insight problem solving. Psychological Research, 84(1), pp. 128-139. ISSN (print) 0340-0727
Henderson, Emma L., Vallee-Tourangeau, Frederic and Simons, Daniel J. (2019) The effect of concrete wording on truth judgements : a preregistered replication and extension of Hansen & Wanke (2010). Collabra : Psychology, 5(1), p. 19. ISSN (online) 2474-7394
Ross, Wendy and Vallee-Tourangeau, Frederic (2018) 'For a good poet's made, as well as born' : the relational ontology of Shakespeare's genius. Creativity. Theories - Research - Applications, 5(1), pp. 26-40. ISSN (online) 2354-0036
Guthrie, Lisa G. and Vallee-Tourangeau, Frederic (2018) Numbers in action : individual differences and interactivity in mental arithmetic. Cognitive Processing, 19(3), pp. 317-326. ISSN (print) 1612-4782
Shipp, Nicholas J., Vallee-Tourangeau, Frederic and Anthony, Susan H. (2018) Concepts and action : where does the embodiment debate leave us? Psychology of Language and Communication, 22(1), pp. 260-280. ISSN (online) 2083-8506
Raczaszek-Leonardi, Joanna and Vallee-Tourangeau, Frederic (2018) Language as a part of action : multidimensional time-scale integration of language and cognition. Psychology of Language and Communication, 22(1), pp. 281-286. ISSN (online) 2083-8506
Vallee-Tourangeau, Frederic, Sirota, Miroslav and Vallee-Tourangeau, Gaelle (2016) Interactivity mitigates the impact of working memory depletion on mental arithmetic performance. Cognitive Research : Principles and Implications, 1, ISSN (online) 2365-7464
Allen, Michael and Vallee-Tourangeau, Frederic (2016) Interactivity defuses the impact of mathematics anxiety in primary school children. International Journal of Science and Mathematics Education, 14(8), pp. 1553-1566. ISSN (print) 1571-0068
Vallee-Tourangeau, Gaelle and Vallee-Tourangeau, Frederic (2016) Why the best problem-solvers think with their hands, as well as their heads. The Conversation,
Vallee-Tourangeau, Frederic, Steffensen, Sune Vork, Vallee-Tourangeau, Gaelle and Sirota, Miroslav (2016) Insight with hands and things. Acta Psychologica, 170, pp. 195-205. ISSN (print) 0001-6918
Steffensen, Sune, Vallee-Tourangeau, Frederic and Vallee-Tourangeau, Gaelle (2016) Cognitive events in a problem solving task : qualitative methods for investigating interactivity in the 17 animals problem. Journal Of Cognitive Psychology, 28(1), pp. 79-105. ISSN (print) 2044-5911
Sirota, Miroslav, Kostovičová, Lenka and Vallee-Tourangeau, Frederic (2015) Now you Bayes, now you don't : effects of set-problem and frequency-format mental representations on statistical reasoning. Psychonomic Bulletin & Review, 22(5), pp. 1465-1473. ISSN (print) 1069-9384
Sirota, Miroslav, Vallee-Tourangeau, Frederic, Vallee-Tourangeau, Gaelle and Juanchich, Marie (2015) On Bayesian problem-solving : helping Bayesians solve simple Bayesian word problems. Frontiers in Psychology, 6, p. 1141. ISSN (online) 1664-1078
Guthrie, Lisa, Vallee-Tourangeau, Frederic, Vallee-Tourangeau, Gaelle and Howard, Chelsea (2015) Learning and interactivity in solving a transformation problem. Memory & Cognition, 43(5), pp. 723-735. ISSN (print) 0090-502X
Vallee-Tourangeau, Gaelle, Abadie, Marlene and Vallee-Tourangeau, Frederic (2015) Interactivity fosters Bayesian reasoning without instruction. Journal of Experimental Psychology: General, 144(3), pp. 581-603. ISSN (print) 0096-3445
Sirota, Miroslav, Kostovicova, Lenka and Vallee-Tourangeau, Frederic (2015) How to train your Bayesian: a problem-representation transfer rather than a format-representation shift explains training effects. The Quarterly Journal of Experimental Psychology, 68(1), pp. 1-9. ISSN (print) 1747-0218
Vallee-Tourangeau, Gaelle, Sirota, Miroslav, Juanchich, Marie and Vallee-Tourangeau, Frederic (2015) Beyond getting the numbers right : what does it mean to be a "successful" Bayesian reasoner? Frontiers in Psychology, 6(712), ISSN (online) 1664-1078
Guthrie, Lisa and Vallee-Tourangeau, Frederic (2015) Interactivity and mental arithmetic : coupling mind and world transforms and enhances performance. Studies in Logic, Grammar and Rhetoric, 41(54), pp. 41-59. ISSN (print) 0860-150X
Agnew, Eadaoin, Alliez, Eric, Auerbach, Paul, Blackburn, Robert, Botting, Fred, Brady, Mary, Caygill, Howard, Chadwick, Howard, Chanter, Tina, Choat, Simon, Chu, Jonathan, Cinpoes, Radu, Coultas, Valerie, Dines, Martin, Dixon, Paul, Favretto, Ilaria, Finn, Peter, Giaxoglou, Korina, Goldsmith, Carlie, Hallward, Peter, Hawkins, Sue, Haywood, Peter, Higginbottom, Andrew, Ichijo, Atsuko, Isaac, Marina, Jensen, Meg, Kayyali, Reem, Kettyle, Ann, Lambrou, Marina, Latimer, Amanda, Linton, Marisa, Lipsedge, Karen, Malabou, Catherine, O Maoilearca, John, McQuillan, Martin, Micklethwaite, Paul, Morgan Wortham, Simon, O'Brien, Catherine, Osborne, Peter, Pinnock, Winsome, Piper, Jason, Ponto, Maria, Raphael, Sam, Reid, Trish, Roberts, Mike, Rogers, David, Sandford, Stella, Searby, Michael, Siddiki, Jalal Uddin, Smart, Jackie, Spencer, Philip, Stockhammer, Engelbert, Stuart, John, Suess, Eleanor, Swift, Allan, Upstone, Sara, Vallee-Tourangeau, Frederic, Wells, Julian and Wilson, Scott (2014) Education should be a right for all. The Guardian,
Vallee-Tourangeau, Gaelle and Vallee-Tourangeau, Frederic (2014) The spatio-temporal dynamics of systemic thinking. Cybernetics & Human Knowing, 21(1-2), pp. 113-127. ISSN (print) 0907-0877
Vallee-Tourangeau, Frederic and Vallee-Tourangeau, Gaelle (2014) Diagrams, jars, and matchsticks : a systemicist's toolkit. Pragmatics and Cognition, 22(2), pp. 187-205. ISSN (print) 0929-0907
Vallee-Tourangeau, Frederic (2014) Insight, materiality and interactivity. Pragmatics & Cognition, 22(1), pp. 27-44. ISSN (print) 0929-0907
Abadie, Marlene, Villejoubert, Gaelle, Waroquier, Laurent and Vallee-Tourangeau, Frederic (2013) The interplay between presentation material and decision mode for complex choice preferences. Journal Of Cognitive Psychology, 25(6), pp. 682-691. ISSN (print) 2044-5911
Vallee-Tourangeau, Frederic (2013) Interactivity, efficiency, and individual differences in mental arithmetic. Experimental Psychology, 60(4), pp. 302-311. ISSN (print) 1618-3169
Gow, Rachel V, Rubia, Katya, Taylor, Eric, Vallee-Tourangeau, Frederic, Matsudaira, Toshiko, Ibrahimovic, Almira and Sumich, Alexander (2012) Abnormal centroparietal ERP response in predominantly medication-naive adolescent boys with ADHD during both response inhibition and execution. Journal of Clinical Neurophysiology, 29(2), pp. 181-9. ISSN (print) 0736-0258
Villejoubert, Gaelle and Vallee-Tourangeau, Frederic (2012) Relevance-driven information search in "pseudodiagnostic" reasoning. Quarterly Journal of Experimental Psychology, 65(3), pp. 541-552. ISSN (print) 0272-4987
Vallee-Tourangeau, Frederic (2012) Utilities in the 2-4-6 task. Experimental Psychology, 59(5), pp. 265-271. ISSN (print) 1618-3169
Weller, A., Villejoubert, G. and Vallee-Tourangeau, F. (2011) Interactive insight problem solving. Thinking & Reasoning, 17(4), pp. 424-439. ISSN (print) 1354-6783
Vallee-Tourangeau, Frederic, Euden, Gemma and Hearn, Vanessa (2011) Einstellung defused: interactivity and mental set. Quarterly Journal of Experimental Psychology, 64(10), pp. 1889-1895. ISSN (print) 1747-0218
Vallee-Tourangeau, Frederic and Villejoubert, Gaelle (2011) La resolution de probleme naturalisee. Enfance, 2011(1), pp. 93-116. ISSN (online) 0013-7545
Murphy, Robin A., Schmeer, Stefanie, Vallee-Tourangeau, Frederic, Mondragon, Esther and Hilton, Denis (2011) Making the illusory correlation effect appear and then disappear: the effects of increased learning. The Quarterly Journal of Experimental Psychology, 64(1), pp. 24-40. ISSN (print) 1747-0218
Villejoubert, Gaelle and Vallee-Tourangeau, Frederic (2011) Constructing preferences in the physical world: a distributed cognition perspective on preferences and risky choices. Frontiers in Psychology, 2(302), ISSN (online) 1664-1078
Gow, Rachel V., Matsudaira, Toshiko, Taylor, Eric, Rubia, Katya, Crawford, Michael, Ghebremeskel, Kebreab, Ibrahimovic, Almira, Vallee-Tourangeau, Frederic, Williams, Leanne M. and Sumich, Alexander (2009) Total red blood cell concentrations of [omega]-3 fatty acids are associated with emotion-elicited neural activity in adolescent boys with attention-deficit hyperactivity disorder. Prostaglandins Leukotrienes & Essential Fatty Acids, 80(2-3), pp. 151-156. ISSN (print) 0952-3278
Vallée-Tourangeau, Frédéric and Payton, Teresa (2008) Graphical representation fosters discovery in the 2-4-6 task. Quarterly Journal of Experimental Psychology, 61(4), pp. 625-640. ISSN (print) 1747-0218
Vallee-Tourangeau, Frederic, Payton, Teresa and Murphy, Robin A. (2008) The impact of presentation format on causal inferences. European Journal of Cognitive Psychology, 20(1), pp. 177-194. ISSN (print) 0954-1446
Vallée-Tourangeau, Frédéric and Krüsi Penney, Andrea (2005) The impact of external representation in a rule discovery task. European Journal of Cognitive Psychology, 17(6), pp. 820-834. ISSN (print) 0954-1446
Vallee-Tourangeau, F., Murphy, R.A. and Baker, A.G. (2005) Contiguity and the outcome density bias in action-outcome contingency judgements. The Quarterly Journal of Experimental Psychology Section B, 58(2), pp. 177-192. ISSN (print) 0272-4995
Vallee-Tourangeau, Frederic (2024) Outsight : restoring the role of objects in creative problem solving. Cambridge, U.K. : Cambridge University Press. (Cambridge Elements in Creativity and Imagination) (In Press)
Ball, Linden and Vallée-Tourangeau, Frédéric, eds. (2023) Handbook of creative cognition. Abingdon, Oxon : Routledge. (In Press)
Vallee-Tourangeau, Frederic (2023) Systemic creative cognition : Bruno Latour for creativity researchers. Routledge. ISBN 9781032292304 (In Press)
Vallee-Tourangeau, Frederic, ed. (2018) Insight : on the origins of new ideas. Abingdon, U.K. : Routledge. 228p. (Current issues in thinking and reasoning) ISBN 9781138288065
Ross, Wendy, Vallee-Tourangeau, Frederic and Glaveanu, Vlad (2019) Collaboration. In: Runco, M. and Pritzker, S., (eds.) Encyclopedia of Creativity. 3rd ed. Academic Press. (In Press)
Vallee-Tourangeau, Frederic and Vallee-Tourangeau, Gaelle (2019) Insight. In: Glaveanu, Vlad Petre, (ed.) The Palgrave Encyclopedia of the Possible. Cham, Switzerland : Palgrave Macmillan. ISBN 9783319983905 (Epub Ahead of Print)
Vallee-Tourangeau, Frederic (2018) Introduction. In: Vallee-Tourangeau, Frederic, (ed.) Insight : on the origins of new ideas. Abingdon, U.K. : Routledge. pp. 1-7. (Current issues in thinking and reasoning) ISBN 9781138288065
Steffensen, Sune Vork and Vallee-Tourangeau, Frederic (2018) An ecological perspective on insight problem solving. In: Vallee-Tourangeau, Frederic, (ed.) Insight : on the origins of new ideas. Abingdon, U.K. : Routledge. pp. 169-190. (Current issues in thinking and reasoning) ISBN 9781138288065
Vallee-Tourangeau, Frederic and Vallee-Tourangeau, Gaelle (2017) Thinking and deciding beyond the brain. In: Galbraith, Niall , Lucas, Erica and Over, David E., (eds.) The thinking mind: a Festschrift for Ken Manktelow. Abingdon, U.K. : Routledge. pp. 40-53. ISBN 9781138937871
Vallee-Tourangeau, Frederic and Villejoubert, Gaelle (2010) Information relevance in pseudodiagnostic reasoning. In: Ohlsson, S. and Catrambone, R., (eds.) Cognition in flux: proceedings of the 32nd annual conference of the Cognitive Science Society. Austin, U.S.A. : Cognitive Science Society. pp. 1172-1177.
Villejoubert, Gaelle and Vallee-Tourangeau, Frederic (2010) The psychology of risk management. In: Boecker, K., (ed.) Rethinking risk measurement and reporting: uncertainty, Bayesian analysis and expert judgement. London, U.K. : Risk Books. 1 ISBN 1906348405
Vallee-Tourangeau, Frederic, Gow, Rachel V. and Sumich, Alexander (2009) Children, depression and essential fatty acids. In: Naylor, Bernice T., (ed.) Depression in Children. Hauppauge NY, U.S.A. : Nova Science Publishers. pp. 129-156. ISBN 9781607414551
Vallee-Tourangeau, Frederic and Payton, Teresa (2008) Goal-driven hypothesis testing in a rule discovery task. In: Love, B.C. , McRae, K. and Sloutsky, V.M., (eds.) Proceedings of the 30th Annual Conference of the Cognitive Science Society. Austin, Texas : Cognitive Science Society. pp. 2122-2127. ISBN 9780976831846
Gow, Rachel V., Sumich, Alexander and Vallee-Tourangeau, Frederic (2008) Women, depression and essential fatty acids. In: Bancroft, Pauline R. and Ardley, Leli B., (eds.) Major depression in women. New York : Nova Science Publishers. pp. 137-151. ISBN 9781604562125
Vallee-Tourangeau, Frederic and Payton, Teresa (2006) Interactive graphical representations support the formulation of sound hypotheses in a rule discovery task. In: Sun, R. and Miyake, N., (eds.) Proceedings of the Twenty-Eighth Annual Conference of the Cognitive Science Society. Mahwah, New Jersey : Lawrence Erlbaum Associates. pp. 2287-2292. ISBN 0976831821
Payton, Teresa and Vallee-Tourangeau, Frederic (2006) The impact of the format of covariation information on causal inferences. In: Sun, R. and Miyake, N., (eds.) Proceedings of the Twenty-Eighth Annual Conference of the Cognitive Science Society. Mahwah, New Jersey : Lawrence Erlbaum Associates. pp. 1938-1943. ISBN 0976831821
Vallee-Tourangeau, Frederic, Kruesi Penney, Andrea and Payton, Teresa (2005) Representational effects in a rule discovery task. In: Bara, B.G. , Barsalou, L. and Bucciarelli, M., (eds.) Proceedings of the Twenty-Seventh Annual Conference of the Cognitive Science Society. Mahwah, New Jersey : Lawrence Erlbaum Associates. pp. 2236-2241. ISBN 0976831813
Murphy, R.A., Vallée-Tourangeau, Frédéric, Msetfi, R. and Baker, A.G. (2005) Signal-outcome contingency, contiguity, and the depressive realism effect. In: Wills, A.J., (ed.) New Directions in Human Associative Learning. Mahwah, N.J., US : Lawrence Erlbaum Associates. pp. 193-219. ISBN 0805850813
Vallée-Tourangeau, Frédéric, Murphy, R.A., Mheta, R. and Baker, A.G. (2001) Contingency learning and causal reasoning. In: Mowrer, R.R. and Klein, S.B., (eds.) Handbook of Contemporary Learning Theories. Mahwah, N.J., US : Lawrence Erlbaum Associates. pp. 255-306. ISBN 080583334x
Vallee-Tourangeau, Gaelle and Vallee-Tourangeau, Frederic [Collaborator] (2019) Can you take a break if you have work to do? Momentary emotional wellbeing and prospective hedonic judgments of leisure. In: 27th Subjective Probability, Utility and Decision Making (SPUDM) Conference; 18 - 22 Aug 2019, Amsterdam, Netherlands.
Ross, Wendy and Vallée-Tourangeau, Frédéric (2019) Unknitting the meshwork : interactivity, serendipity and individual differences in a word production task. In: 41st Annual Meeting of the Cognitive Science Society (COGSCI 2019) : Creativity + Cognition + Computation; 24 - 27 July 2019, Montreal, Canada.
Henderson, Emma, Vallee-Tourangeau, Frederic and Gourdon-Kanhukamwe, Amélie (2019) Open social science 101 : the case of registered reports. In: 10th Annual Faculty Research Conference: Contemporary Issues in Business and Social Sciences in a period of uncertainty; 03 - 04 Jun 2019, Kingston upon Thames, U.K.. (Unpublished)
Henderson, Emma, Vallee-Tourangeau, Gaelle and Vallee-Tourangeau, Frederic (2016) Touchy thinking: interactivity improves planning. In: Third International Conference on Interactivity, Language and Cognition (CILC2016): the Tactility of Thinking and Talking; 29 Jun – 01 Jul 2016, Kingston upon Thames, U.K.. (Unpublished)
Vallee-Tourangeau, Gaelle, Vallee-Tourangeau, Frederic and Ramasubramanian, Madhuri (2016) The description-experience gap in risky choice framing. In: 38th Annual Meeting of the Cognitive Science Society (COGSCI 2016): Recognizing and Representing Events; 10-13 Aug 2016, Philadelphia, U.S.. ISBN 9780991196739
Villejoubert, Gaelle, Vallee-Tourangeau, Frederic and Abadie, Marlene (2011) Distributed Bayesian reasoning. In: Experimental Psychology Society Meeting; 13 - 15 Apr 2011, Oxford, U.K.. (Unpublished)
Vallee-Tourangeau, Frederic, Villejoubert, Gaelle and Weller, Anna (2011) Distributed cognition and insight. In: Experimental Psychology Society Meeting; 13 - 15 Apr 2011, Oxford, U.K.. (Unpublished)
Sirota, Miroslav, Kostocicova, Lenka, Harencarova, Hanka and Vallee-Tourangeau, Frederic (2011) Mental representation of chances and natural frequencies in Bayesian reasoning. In: Experimental Psychology Society Meeting; 13 - 15 Apr 2011, Oxford, U.K.. (Unpublished)
Vallee-Tourangeau, Frederic and Villejoubert, Gaelle (2010) Information relevance in pseudodiagnostic reasoning. In: Cognition in Flux: 32nd Annual Meeting of the Cognitive Science Society; 11 - 14 Aug 2010, Portland, U.S..
Villejoubert, Gaelle [Speaker], Abadie, Marlene and Vallee-Tourangeau, Frederic (2009) Feeding the mind's eye: unconscious deliberation needs visual information. In: LJDM seminar; 4 Nov 2009, London, U.K.. (Unpublished)
Vallee-Tourangeau, Frederic and Villejoubert, Gaelle (2009) Distributed cognition in problem solving. In: British Psychological Society Cognitive Psychology Section Annual Conference; 01 - 03 Sep 2009, Hatfield, U.K.. (Unpublished)
Villejoubert, Gaelle and Vallee-Tourangeau, Frederic (2009) Les roles des utilities, de la motivation, et de l'information numerique dans le raisonnement pseudo-diagnostique [Utility-driven information search in pseudodiagnostic reasoning]. In: Congres de la SFP : Psychologie at enjeux de societe [Annual Conference of the French Psychological Society]; 17 - 19 Jun 2009, Toulouse, France. (Unpublished)
Vallee-Tourangeau, Frederic, Bolton, Elizabeth, Burleigh, Carly and Wrightman, Miles (2008) Verbal fluency and interactive skills in a word generation task. In: Distributed Thinking; 19 Jun 2008, Hatfield, U.K.. (Unpublished)
Ross, Wendy, Vallee-Tourangeau, Frederic and Glaveanu, Vlad (2019) Collaboration. https://doi.org/10.1016/B978-0-12-809324-5.23838-8
Vallee-Tourangeau, Gaelle, Abadie, Marlene and Vallee-Tourangeau, Frederic (2016) Interactivity Fosters Bayesian Reasoning without Instruction [Data set and code book]. [Dataset]
Kingston University, Holmwood House, Grove Crescent, Kingston upon Thames KT1 2EE. Tel: +44 (0)20 8417 9000