Changing crowd management practices through research on effects of crowd participation
Submitting Institution
University of SussexUnit of Assessment
Psychology, Psychiatry and NeuroscienceSummary Impact Type
SocietalResearch Subject Area(s)
Studies In Human Society: Criminology, Sociology
Psychology and Cognitive Sciences: Psychology
Summary of the impact
Drury's research on the psychological effects of crowd participation has
provided new rationales that
have changed the crowd and emergency management practices used by a number
of bodies and
institutions; the concepts and principles he has helped to develop have
become part of their
guidance literature. Specifically the impacts are in two areas. The first
is the policing of crowds,
where new guidance embodies recommendations from his research to reduce
the likelihood of
conflict. The second is psychosocial care for people affected by
emergencies, where his research on
informal resilience in crowds has contributed to the rationale for a new
approach evident in NATO
and the Department of Health guidance and training.
Underpinning research
Drury has been at Sussex since 1998, conducting research on the
psychological effects of participation
in crowds, and has produced over 40 peer-reviewed publications on this
topic in this time. The general
principle of the research — the dynamic relationship between crowd
processes and social identity — has
had two research offshoots: one on the development of collective
antagonism to illegitimate authority
and one on the development of collective resilience to disaster. Hence
there are two types of impact.
The first phase of this work, much of which was carried out in
collaboration with Prof. Steve Reicher (St
Andrews) and Dr Clifford Stott (Liverpool, Leeds), examined the
psychological consequences of
participation in crowd events such as protest demonstrations. Interview
research on crowd conflicts
[see Section 3, R1, R2] and an ethnographic study of direct action [R3,
R4] identified a distinctive
pattern. First, crowd participants often perceived their own actions as
consensually legitimate or lawful,
but police perceived these same actions as illegitimate and threatening.
Second, the action taken by
police against what they saw as illegitimate conduct in the crowd was
perceived by crowd participants
as not only illegitimate but also indiscriminate (i.e. threatening all
crowd participants). Third, not only did
relations with the police change, but so did relations within the crowd:
since all crowd members now
shared a `common fate' in relation to the police, they became more
psychologically united with each
other. Thus, whereas previously crowd participants may have supported the
police and opposed
violence, they now saw action against the police as legitimate; and,
whereas previously there may
have been divisions within the crowd, the new-found unity empowered crowd
participants to take action
against the police. This analysis contributed to the development by
Reicher, Stott and Drury of the
elaborated social identity model (ESIM) of crowd conflict dynamics
[R1-R4]. Drury is a co-author of the
ESIM and his distinct contribution was to show how enduring identity
change (such as empowerment)
arises within conflictual collective action. The ESIM, and therefore the
work of Drury, provides the novel
insight that certain forms of public-order policing (in particular,
violent dispersal or containment) when
perceived as illegitimate and indiscriminate can radicalise and empower
crowd members and thereby
create, escalate and extend the very `disorder' such tactics are meant to
curb. Drury's part of the
research was analysed, written up and published during his time at Sussex
— i.e. 1998 onwards [R1-4].
In the second phase of this work (2004-2009), Drury (as PI, in
collaboration with Reicher) applied the
same social identity principles to the topic of crowd behaviour in
emergencies. Through ESRC funding,
he carried out a series of studies, including experiments using specially
designed `virtual reality'
animation [R5] and interviews with survivors from events such as the 7
July 2005 London bombings
[R6, R7], which showed that emergent shared social identity is the basis
of the co-operative and
coordinated behaviour frequently observed in emergencies and disasters.
The insight — that when
emergencies create a sense of `common fate' a new shared identity is
created which enhances
adaptive collective response — was worked up into a model of informal
collective resilience in crowds
[R6, R7].
References to the research
R1 Drury, J. and Reicher, S. (1999) `The intergroup dynamics of
collective empowerment: substantiating
the social identity model', Group Processes and Intergroup Relations,
2(4): 381-402.
R2 Stott, C. and Drury, J. (2000) `Crowds, context and identity:
dynamic categorization processes in the
"poll tax riot"', Human Relations, 53(2): 247-273.
R3 Drury, J. and Reicher, S. (2000) `Collective action and
psychological change: the emergence of new
social identities', British Journal of Social Psychology, 39(4):
579-604.
R4 Drury, J. and Reicher, S. (2005) `Explaining enduring
empowerment: a comparative study of
collective action and psychological outcomes', European Journal of
Social Psychology, 35(1): 35-
58.
R5 Drury, J., Cocking, C., Reicher, S., Burton, A., Schofield, D.,
Hardwick, A., Graham, D. and
Langston, P. (2009) `Cooperation versus competition in a mass emergency
evacuation: a new
laboratory simulation and a new theoretical model', Behavior Research
Methods, 41(3): 957-970.
R6 Drury, J., Cocking, C. and Reicher, S. (2009) `Everyone for
themselves? A comparative study of
crowd solidarity among emergency survivors', British Journal of Social
Psychology, 48(): 487-506.
R7 Drury, J., Cocking, C. and Reicher, S. (2009) `The nature of
collective resilience: survivor reactions to
the 2005 London bombings', International Journal of Mass Emergencies
and Disasters, 27(1): 66-
95.
Outputs can be supplied by the University on request.
Grants include: Drury, J., Reicher, S., Schofield, D. and
Langston, P. (2004-2007) Effects of Social
Identity on Responses to Emergency Mass Evacuation (ESRC, RES-000-23-0446,
£160,935) R.5-R.7.
Details of the impact
As summarised above, this research has had impact in two areas.
The policing of crowds
This research has generated new public-order practices by police forces
in the UK and across Europe,
designed to reduce conflict between the police and crowds, by leading
crowd members themselves to
self-police. The impact is evident across a range of UK, European and
international institutions.
Context of the impact
Crowd disorder is a significant social problem costing millions in
resources and man-hours. There is also
the human cost to many in terms of injury and imprisonment. Previous
`solutions' have only magnified the
problem (e.g. the use of further police coercion) or infringed human
rights (e.g. travel bans for football
fans). The ESIM (Reicher, Stott and Drury) specifies the police practices
and psychological factors that
explain the initiation and escalation of collective violence between
crowds and the police. Extrapolation
from the model has generated specific recommendations for police practices
that, instead, minimise that
collective conflict. These recommendations have been taken up by police
forces in the UK and Europe,
first in relation to football crowds, and now in relation to public order
more generally.
Specific changes implemented
In the UK, the 2009 official report by Her Majesty's Chief Inspector of
Constabulary, Adapting to Protest
[see Section 5, C1], recommended rejection of the disproportionate and
indiscriminate use of force in
public-order policing (in particular the automatic use of dispersal via
baton charges) and advised, instead,
the increased use of, and training in, facilitation and communication. The
basis for this new policy was the
research on crowd conflict dynamics by Reicher, Stott and Drury [C2], who
are each mentioned by name
in the report. The ESIM is therefore now the basis for the current
programme of reform of police public
order methods [Section 4, i]. Thus principles of public-order policing
based on the ESIM are enshrined in
the key official public-order guidance manual, Keeping the Peace
[C3] produced jointly by the National
Police Improvement Agency, the Association of Chief Police Officers and
the Association of Chief Police
Officers in Scotland. This manual explicitly recommends ESIM principles,
and cites Reicher et al. These
principles are: to understand the social identity of the crowd; to
facilitate crowd aims; to communicate with
crowd members; and to differentiate between crowd members, rather than
treat them indiscriminately. A
summary of the ESIM is now included in official training materials as part
of the College of Policing
National Public Order Training Curriculum [C4], which delivers a module on
`Crowd Psychology' [C5] to
all public-order commanders and command trainers nationally. The
public-order policing model based on
the ESIM has also been adopted by the National Police in Denmark as their
framework for policing
football there since 2008 [C6]. In addition, there was further
international impact through the European
Council Resolution of 3 June 2010 on measures to prevent and control
violence and disturbances, and
disturbances in connection with football matches [C7]. The guidance in the
Resolution cites the `key
principles' of facilitation, communication and differentiation (Appendix
1, C p. 165/16), wording and
concepts transposed directly from the work by Drury and his colleagues
[ii].
Process through which the research led to impacts
For the 2004 European Football Championships, held in Portugal, Drury's
colleague Dr Clifford Stott was
asked by the Portuguese police to design an intervention for the policing
of the crowds based on ESIM
principles. Based on the reduction in arrests and `riots', this
intervention was judged a success [iii];
following this, in April 2005, two proposals based on the ESIM were
accepted by the Police Cooperation
Working Party of the Council of the European Union [iv]. These proposals
were the basis of the European
Council Resolution of 2010 detailed above. In addition, in 2007, Reicher,
Stott, Drury and others
published a key knowledge-transfer paper summarising the ESIM research and
drawing out the public-
order policing implications [ii]. The paper was written for a police
audience, and enabled the translation of
their findings into police practices, as codified in the national guidance
[C1, C3-C5].
Psychosocial care for people affected by emergencies
Drury's research on emergent social identity in crowds has informed new
guidance from NATO and the
Department of Health on the role of psychosocial resilience in emergency
response.
Context of the impact
Historically, those professionally involved in emergency preparedness
have been concerned that crowds
might panic or respond in a helpless manner. This assumption has been the
basis of previous
paternalistic `command and control' policies. In the face of many modern
hazards, such top-down polices
are becoming increasingly recognised as impractical. In line with this
need for community resilience,
Drury's research shows that crowds of people have the psychological
capacity to help themselves in
emergencies, often without expert intervention.
Specific changes implemented
Drury's is one of the studies that underpins the recent NATO (2009)
guidance on psychosocial care for
people in emergencies and disasters [C8]. Thus the guidance
cites Drury's 7 July London bombs study
[v] in three places. The evidence from the study — that social, and even
helpful behaviour, rather than
mass panic, is usually evident in mass emergencies (p.33), and that people
may rapidly form bonds with
strangers (p.36) — is therefore part of the rationale for the NATO Stepped
Model of Care which builds on
survivors' psychosocial capacities rather than assuming them to be ill or
helpless. The guidance therefore
recommends practical support, not psychiatric care, for most people
affected by emergencies. In line with
this, the guidance adopts the terminology proposed in Drury's ESRC
research by referring to `collective
resilience' (p.126). The key principles of the NATO guidance are included
in the Department of Health
Emergency Preparedness Division's (2009) document NHS Emergency
Planning Guidance [C9]. This
again refers to Drury's London bombs research [v] and, in addition, cites
Drury's (social identity) definition
of collective resilience (p.22); the wording is taken from a paper
summarising Drury's London bombs
study [vi]. The key principles of the NATO guidance, including Drury's
concept of collective resilience, are
also reproduced in another Department of Health/NHS guidance document on
pandemics, produced for
staff [C10] and in a Department of Health training module [C11];
each references Drury [vi].
Process through which the research led to impacts
In 2007, Drury produced an end-user report on his ESRC grant [v], in
which his research findings were
made free and accessible, and which he distributed to over 35
organisations concerned with emergency
response and preparedness. As part of the same dissemination process, he
gave a number of
presentations to end-users, including an invited paper at the annual
conference of the Joint Royal
Colleges Ambulance Liaison Committee. The Department of Health Emergency
Preparedness Division
team made contact with him through that conference and then met to discuss
with him how his work
could contribute to the NATO guidance.
References
[i] Hoggett, J. and Stott, C. (2012) `Post G20: the challenge of change.
Implementing evidence-based
public order policing', Journal of Investigative Psychology and
Offender Profiling, 9(2): 174-183.
[ii] Reicher, S., Stott, C., Drury, J., Adang, O., Cronin, P. and
Livingstone, A. (2007) `Knowledge-based
public order policing: principles and practice', Policing: Journal of
Policy and Practice, 1(4): 403-415.
[iii] Stott, C., Adang, O., Livingstone, A. and Schreiber, M. (2007)
`Variability in the collective behaviour
of England fans at Euro2004: "hooliganism", public order policing and
social change', European
Journal of Social Psychology, 37(1): 75-100.
[iv] European Union Handbook on International Police Cooperation and
Measures to Prevent and
Control Violence and Disturbances in Connection with Football Matches
with an International
Dimension (Proposal 8241/05 ENFOPOL 40, concerning dynamic risk
assessment in the context of
international football matches; and Proposal 8243/05 ENFOPOL 41,
concerning police tactical
performance for public order management) [C].
[v] Drury, J. and Cocking, C. (2007) The Mass Psychology of Disasters
and Emergency Evacuations: A
Research Report and Implications for Practice. Brighton: University
of Sussex.
[vi] Williams, R. and Drury, J. (2009) `Psychosocial resilience and its
influence on managing mass
emergencies and disasters', Psychiatry, 8(8): 293-296.
Sources to corroborate the impact
C1 Her Majesty's Chief Inspector of Constabulary (2009) Adapting
to Protest: Nurturing the British
Model of Policing. London. http://www.hmic.gov.uk/media/adapting-to-protest-nurturing-the-british-model-of-policing-20091125.pdf
C2 `Police accept crowd psychology findings', The Psychologist
News, 12 January 2010)
http://www.thepsychologist.org.uk/blog/blogpost.cfm?catid=48&threadid=1301
C3 Association of Chief Police Officers/National Policing
Improvement Agency (2010). Manual of
guidance on keeping the peace.
http://www.acpo.police.uk/documents/uniformed/2010/201010UNKTP01.pdf
C4 College of Policing (2012) National Police Public Order
Training Curriculum (restricted). Can be
corroborated by Head of Uniform Operation Support, College of Policing.
C5 College of Policing (2012) Crowd Psychology and
Communications. Module for All Public
Order Commanders (Gold, Silver and Bronze) Version 1.0 (restricted).
In a letter to Dr Stott,
Head of Uniform Operational Support at the College of Policing stated that
the ESIM is `taught
by our trainers to all public order commanders' and `is referenced in the
National Police Public
Order Training Curriculum' (letter dated 8 October 2013).
C6 Haveland, J., Ilum, J., Jensen, M.A., Nielsen, B.P., Rasmussen,
K. and Stott, C. (2011) `Event
policing: dialogue in the policing of mass events in Denmark', CEPOL
European Police Science
and Research Bulletin, 4: 3-7 http://pure.au.dk/portal/files/32828961/04_EPSR_BULLETIN_1_.pdf
C7 Official Journal of the European Union. COUNCIL
RESOLUTION of 3 June 2010 concerning
an updated handbook with recommendations for international police
cooperation and
measures to prevent and control violence and disturbances in connection
with football
matches with an international dimension, in which at least one Member
State is involved.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2010:165:0001:0021:EN:PDF
C8 NATO (2009) Psychosocial Care for People Affected by
Disasters and Major Incidents: A
Model for Designing, Delivering and Managing Psychosocial Services for
People Involved in
Major Incidents, Conflict, Disasters and Terrorism. Brussels: NATO.
http://www.coe.int/t/dg4/majorhazards/ressources/virtuallibrary/materials/Others/NATO_Guidance_Psychosocial_Care_for_People_Affected_by_Disasters_and_Major_Incidents.pdf
C9 Department of Health Emergency Preparedness Division (2009) NHS
Emergency Planning
Guidance. Planning for the Psychosocial and Mental Health Care of People
Affected by Major
Incidents and Disasters: Interim National Strategic Guidance.
http://webarchive.nationalarchives.gov.uk/20130107105354/http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/DH_103562
C10 Department of Health Pandemic influenza Team (2009) Psychosocial
Care for NHS Staff
During an Influenza Pandemic.
http://www.nursingtimes.net/Journals/1/Files/2009/7/23/Psychosocial%20care%20for%20NHS%20staff%20during%20an%20influenza%20pandemic.pdf
C11 Department of Health Developing Psychosocial Resilience:
How to cope in a crisis.
http://www.nhserewash.com/safeguarding/Pyschosocial%20Resilience.pdf