Per-Olof H Wikström, FBA
@powikstrom.bsky.social
Professor Emeritus University of Cambridge. Professor Malmö universitet. Situational Action Theory (SAT) its development, testing and policy & prevention application.
Short Bio; https://www.crim.cam.ac.uk/People/professor-per-olof-wikstrom
Short Bio; https://www.crim.cam.ac.uk/People/professor-per-olof-wikstrom
Pinned
New book. Character, Circumstances and Criminal Careers
Book flyer
global.oup.com/academic/pro...
Detailed book content
www.cac.crim.cam.ac.uk/files/detail...
Book flyer
global.oup.com/academic/pro...
Detailed book content
www.cac.crim.cam.ac.uk/files/detail...
New interesting study on cybercrime, analysed from an SAT perspective, by Janne Vespäläinen et al.
doi.org/10.1177/1043...
doi.org/10.1177/1043...
Cybercrime Correlates Among Adolescents in Europe and South America: A Cross-National Analysis Based on Situational Action Theory - Janne Vepsäläinen, Markus Kaakinen, Noora Ellonen, Karin Arbach, Mar...
Cybercrime is increasingly recognized as a global issue, with adolescents being a key group as crime trends shift online. However, relatively little is known ab...
doi.org
November 17, 2025 at 4:41 PM
New interesting study on cybercrime, analysed from an SAT perspective, by Janne Vespäläinen et al.
doi.org/10.1177/1043...
doi.org/10.1177/1043...
Just published this open access, SAT based, paper on Criminal Careers explained as a series of Crime Events , aiming to integrate the Psychology and Sociology of people’s pathways in crime through action theory .
www.degruyterbrill.com/document/doi...
www.degruyterbrill.com/document/doi...
Explaining Criminal Careers As Crime Events
Why does people’s crime involvement vary and change? Developmental and Life-Course criminology has brought individual change to the forefront of criminological study and has done an impressive job of ...
www.degruyterbrill.com
September 20, 2025 at 7:10 AM
Just published this open access, SAT based, paper on Criminal Careers explained as a series of Crime Events , aiming to integrate the Psychology and Sociology of people’s pathways in crime through action theory .
www.degruyterbrill.com/document/doi...
www.degruyterbrill.com/document/doi...
Spent the week teaching and meeting with colleagues at Malmö University. An intense but rewarding week.
Celebrated with a well-deserved princess cake at Emporia!
Celebrated with a well-deserved princess cake at Emporia!
September 11, 2025 at 5:28 PM
Spent the week teaching and meeting with colleagues at Malmö University. An intense but rewarding week.
Celebrated with a well-deserved princess cake at Emporia!
Celebrated with a well-deserved princess cake at Emporia!
This was the theme of one of the first ASC conferences I attended and I guess it has stuck with me ever since.
August 31, 2025 at 12:20 PM
This was the theme of one of the first ASC conferences I attended and I guess it has stuck with me ever since.
Time for a new wave of PADS+ data collection. Visiting the PADS+ office meeting Kyle and Beth, and our new research assistants (Katie, Rhianna, Giulia) who will be doing the most important job interviewing the participants. And of course it was time for a coffee!
August 29, 2025 at 12:18 PM
Time for a new wave of PADS+ data collection. Visiting the PADS+ office meeting Kyle and Beth, and our new research assistants (Katie, Rhianna, Giulia) who will be doing the most important job interviewing the participants. And of course it was time for a coffee!
Happy and honoured to report being awarded by the Swedish government the Medal of Reward in Gold of the Eighth Size with inscription “Illis quorum meruere labores” (To those whose deeds deserve it) for many years of significant contributions to criminological research
share.google/iZKoTDI5c9Tp...
share.google/iZKoTDI5c9Tp...
Regeringen tilldelar åtta personer regeringens utmärkelser
Belöningsmedaljen Illis quorum meruere labores och hederstiteln Professors namn är två av regeringens främsta utmärkelser och tilldelas personer so...
share.google
August 21, 2025 at 12:58 PM
Happy and honoured to report being awarded by the Swedish government the Medal of Reward in Gold of the Eighth Size with inscription “Illis quorum meruere labores” (To those whose deeds deserve it) for many years of significant contributions to criminological research
share.google/iZKoTDI5c9Tp...
share.google/iZKoTDI5c9Tp...
New study by Andrzej Uhl and Beth Hardie, studying CORRUPTION with Polish data, informed by Situational Action Theory
eur03.safelinks.protection.outlook.com?url=https%3A...
eur03.safelinks.protection.outlook.com?url=https%3A...
August 12, 2025 at 2:27 PM
New study by Andrzej Uhl and Beth Hardie, studying CORRUPTION with Polish data, informed by Situational Action Theory
eur03.safelinks.protection.outlook.com?url=https%3A...
eur03.safelinks.protection.outlook.com?url=https%3A...
Enjoyable concert at the O2. One of the many perks living in a commuting distance to London and it’s rich cultural life.
July 20, 2025 at 8:12 AM
Enjoyable concert at the O2. One of the many perks living in a commuting distance to London and it’s rich cultural life.
New very interesting open access SAT inspired paper by Helmut Hirtenlehner and Gorazd Mesko:
Crime propensity and lifestyle risk: The interplay of personal morality and self-control ability in determining the significance of criminogenic exposure
doi.org/10.1177/1477...
Crime propensity and lifestyle risk: The interplay of personal morality and self-control ability in determining the significance of criminogenic exposure
doi.org/10.1177/1477...
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
doi.org
July 7, 2025 at 8:05 AM
New very interesting open access SAT inspired paper by Helmut Hirtenlehner and Gorazd Mesko:
Crime propensity and lifestyle risk: The interplay of personal morality and self-control ability in determining the significance of criminogenic exposure
doi.org/10.1177/1477...
Crime propensity and lifestyle risk: The interplay of personal morality and self-control ability in determining the significance of criminogenic exposure
doi.org/10.1177/1477...
Wishing everyone a happy summer and many good readings! There is in my view nothing better than a coffee and a good book.
July 1, 2025 at 8:34 AM
Wishing everyone a happy summer and many good readings! There is in my view nothing better than a coffee and a good book.
Just published SAT inspired open access study of CYBERBULLYING by Seong-Sik Lee and Sohee Jung:
How Do Internal and External Control Factors Affect Cyberbullying? Partial Test of Situational Action Theory. Link below:
doi.org/10.3390/bs15...
How Do Internal and External Control Factors Affect Cyberbullying? Partial Test of Situational Action Theory. Link below:
doi.org/10.3390/bs15...
doi.org
June 24, 2025 at 9:41 AM
Just published SAT inspired open access study of CYBERBULLYING by Seong-Sik Lee and Sohee Jung:
How Do Internal and External Control Factors Affect Cyberbullying? Partial Test of Situational Action Theory. Link below:
doi.org/10.3390/bs15...
How Do Internal and External Control Factors Affect Cyberbullying? Partial Test of Situational Action Theory. Link below:
doi.org/10.3390/bs15...
New SAT inspired Swedish open access study of CHILD-TO-PARENT VIOLENCE by Robert Svensson, Lisa Andersson and Björn Johnson.
doi.org/10.1177/0011...
doi.org/10.1177/0011...
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
doi.org
June 19, 2025 at 10:38 AM
New SAT inspired Swedish open access study of CHILD-TO-PARENT VIOLENCE by Robert Svensson, Lisa Andersson and Björn Johnson.
doi.org/10.1177/0011...
doi.org/10.1177/0011...
Spent an enjoyable day teaching at the ESC summer school. Meeting some of the criminologists of the future (and Fernando and Marcelo)
June 14, 2025 at 4:22 AM
Spent an enjoyable day teaching at the ESC summer school. Meeting some of the criminologists of the future (and Fernando and Marcelo)
Congratulations to Dr Kyle Treiber that just has been appointed Professor at the University of Cambridge. Such a brilliant mind. It is a particular pleasure to see your former PhD students do well.
June 12, 2025 at 3:39 PM
Congratulations to Dr Kyle Treiber that just has been appointed Professor at the University of Cambridge. Such a brilliant mind. It is a particular pleasure to see your former PhD students do well.
Enjoying a break in the Spanish sun and some very good books. Carruthers's just published book makes a good argument that philosophical treatments of action theory would benefit from taking better into account cognitive sciences, and, among other things, the role of habits.
May 19, 2025 at 1:19 PM
Enjoying a break in the Spanish sun and some very good books. Carruthers's just published book makes a good argument that philosophical treatments of action theory would benefit from taking better into account cognitive sciences, and, among other things, the role of habits.
Enjoying Tea and Scones at the Orchard. One of many classic and lovely spots in Cambridge.
May 2, 2025 at 1:22 PM
Enjoying Tea and Scones at the Orchard. One of many classic and lovely spots in Cambridge.
WONDERFUL to see BRYNÄS ready for the finals. Lucky that at least there is an English pay channel that shows matches from the SHL. Brings back wonderful childhood memories from my short ‘career' in Brynäs boys' team 3 😂
As they say.
Once Brynäs, always Brynäs!
As they say.
Once Brynäs, always Brynäs!
April 12, 2025 at 8:56 PM
WONDERFUL to see BRYNÄS ready for the finals. Lucky that at least there is an English pay channel that shows matches from the SHL. Brings back wonderful childhood memories from my short ‘career' in Brynäs boys' team 3 😂
As they say.
Once Brynäs, always Brynäs!
As they say.
Once Brynäs, always Brynäs!
Interview I did with Kurir, a leading Austrian newspaper
Enjoyed talking to this excellent journalist on crime and its prevention
Enjoyed talking to this excellent journalist on crime and its prevention
April 1, 2025 at 4:57 PM
Interview I did with Kurir, a leading Austrian newspaper
Enjoyed talking to this excellent journalist on crime and its prevention
Enjoyed talking to this excellent journalist on crime and its prevention
Cumulative risk as a marker of social context
New open access paper by myself and Kyle Treiber in which we suggest and preliminary test an explanation of the phenomenon of cumulative risk in the study of crime
doi.org/10.1002/cbm....
New open access paper by myself and Kyle Treiber in which we suggest and preliminary test an explanation of the phenomenon of cumulative risk in the study of crime
doi.org/10.1002/cbm....
Cumulative Risk as a Marker of Social Context
Background
This paper takes on ‘Farrington's challenge’ ‘to bridge the gap between risk factor research and more complex explanatory theories’ by offering an explanation for the unexplained statisti.....
doi.org
March 29, 2025 at 8:18 AM
Cumulative risk as a marker of social context
New open access paper by myself and Kyle Treiber in which we suggest and preliminary test an explanation of the phenomenon of cumulative risk in the study of crime
doi.org/10.1002/cbm....
New open access paper by myself and Kyle Treiber in which we suggest and preliminary test an explanation of the phenomenon of cumulative risk in the study of crime
doi.org/10.1002/cbm....
Just published SAT inspired paper by Saeed Kabiri in Journal of Criminal Justice:
Hunting in the digital jungle:
Exploring cyberstalking with higher order moderation in situational action theory.
Hunting in the digital jungle:
Exploring cyberstalking with higher order moderation in situational action theory.
March 25, 2025 at 3:29 PM
Just published SAT inspired paper by Saeed Kabiri in Journal of Criminal Justice:
Hunting in the digital jungle:
Exploring cyberstalking with higher order moderation in situational action theory.
Hunting in the digital jungle:
Exploring cyberstalking with higher order moderation in situational action theory.
Spent a few days in Vienna, one of my favourite cities
Gave a talk at the University of Applied Science on the causes of crime and its prevention. Had interesting discussions with policy-makers; a weissbier, a lovely Vivaldi church concert, a Sacher cake, and a visit to Albertina
Gave a talk at the University of Applied Science on the causes of crime and its prevention. Had interesting discussions with policy-makers; a weissbier, a lovely Vivaldi church concert, a Sacher cake, and a visit to Albertina
March 23, 2025 at 2:20 PM
Spent a few days in Vienna, one of my favourite cities
Gave a talk at the University of Applied Science on the causes of crime and its prevention. Had interesting discussions with policy-makers; a weissbier, a lovely Vivaldi church concert, a Sacher cake, and a visit to Albertina
Gave a talk at the University of Applied Science on the causes of crime and its prevention. Had interesting discussions with policy-makers; a weissbier, a lovely Vivaldi church concert, a Sacher cake, and a visit to Albertina
Time to become a 'grey eminence'😂
The succession of the PADS+ study is in full swing, 'the three musketeers', the highly
experienced and skilful team of Beth Hardie, Gabriela Roman and Kyle Treiber, under Kyle's
leadership, is just in the process of recruiting the fieldworkers
The succession of the PADS+ study is in full swing, 'the three musketeers', the highly
experienced and skilful team of Beth Hardie, Gabriela Roman and Kyle Treiber, under Kyle's
leadership, is just in the process of recruiting the fieldworkers
March 7, 2025 at 3:47 PM
Time to become a 'grey eminence'😂
The succession of the PADS+ study is in full swing, 'the three musketeers', the highly
experienced and skilful team of Beth Hardie, Gabriela Roman and Kyle Treiber, under Kyle's
leadership, is just in the process of recruiting the fieldworkers
The succession of the PADS+ study is in full swing, 'the three musketeers', the highly
experienced and skilful team of Beth Hardie, Gabriela Roman and Kyle Treiber, under Kyle's
leadership, is just in the process of recruiting the fieldworkers
Understanding the mechanisms of change in moral norms and its behavioural effects are crucial knowledge for crime prevention policy and practise. I have not seen any in-depth analysis of the changing moral norms of smoking and its drivers but that may just be due to my ignorance?
February 28, 2025 at 1:56 PM
Understanding the mechanisms of change in moral norms and its behavioural effects are crucial knowledge for crime prevention policy and practise. I have not seen any in-depth analysis of the changing moral norms of smoking and its drivers but that may just be due to my ignorance?
EXPLAINING THE AGE AND CRIME DISTRIBUTION. In our PADS+ data that age-crime distribution rather closely match trends in young peoples crime propensity and criminogenic exposure. Even more interesting is that analysing this..,
February 27, 2025 at 10:31 AM
EXPLAINING THE AGE AND CRIME DISTRIBUTION. In our PADS+ data that age-crime distribution rather closely match trends in young peoples crime propensity and criminogenic exposure. Even more interesting is that analysing this..,
New open access paper by Christoph Hermann:
A framework for testing theories of criminal decision-making using VR scenarios and process tracing and its application to situational action theory. Link:
t.co/PFyh3cRiVM
A framework for testing theories of criminal decision-making using VR scenarios and process tracing and its application to situational action theory. Link:
t.co/PFyh3cRiVM
https://doi.org/10.1080/1068316X.2025.2466073
t.co
February 26, 2025 at 5:59 PM
New open access paper by Christoph Hermann:
A framework for testing theories of criminal decision-making using VR scenarios and process tracing and its application to situational action theory. Link:
t.co/PFyh3cRiVM
A framework for testing theories of criminal decision-making using VR scenarios and process tracing and its application to situational action theory. Link:
t.co/PFyh3cRiVM