In the Media

On September 16th 2017 I gave a mini-lecture on how to use our ability to (mentally) travel through time to increase our health and wellbeing at the Night of the Arts and Knowledge in Leiden’s Botanical Gardens. A brief impression of the spectacular event can be found on Youtube. I was also interviewed by Radio Sleutelstad (the Leiden local Radio Station).


October 1st, 2020: EenVandaag interviewed me for an item on the new law that requires the plain packaging of cigarettes. In it, the link between packaging and identity of the smoker is discussed. It was broadcasted on national television, see:

With host Dieuwertje Blok (5op2) on February 23rd, 2012 on smoking among the youth.

On Youtube

February 19th, 2015: Two students in Journalism of the University of Applied Sciences in Utrecht, Rochelle Blokland and Celina van Tol, made a news clip on alcohol use among the youth and interviewed Nico van der Lely and me

Alcohol vergiftiging onder jongeren is toegenomen

Political impact

October 2nd, 2012: Discussion of our research report on alcohol use in adolescence in the municipality of Teylingen

October 17th ,2003: Resolution in the Flemish Parliament referring to my work on condom use amongst adolescents

VOORSTEL VAN RESOLUTIE – van de heren Carlo Daelman en Jan Roegiers –

betreffende preventie van HIV- en soa-besmetting bij jongeren


January 2nd, 2020: For the new year a shorter version of my blog for Practical Health Psychology was posted on the Leiden Psychology Blog website.

December 17th, 2019: My blog on self-identity processes was posted on Practical Health Psychology and translated into 28 languages.

June 15th, 2018:  Laura Kunst’s and my blog on “Party-drug use among students: Why (not) everyone is doing it”.  was posted on Leiden Psychology Blog. It was nominated for the Leiden Psychology Blog Award 2018.

February 19th, 2014 on Leiden Psychology Blog: Raising the minimal legal drinking age: the best preventive measure thinkable

In the papers

February 20th, 2020: A fun piece in the University Newspaper on our research on Social Influencers by Bart Braun: Op insta is het altijd ergens vijf uur.

December 19th, 2019: an interview about my work was posted on the university news.

December 17th, 2019: our paper on social influencers and alcohol posts in Frontiers in Psychology: Picture me drinking: Alcohol-related posts by Instagram influencers popular among adolescents and young adults, received quite some media attention: February 1st 2020: Parool ; January 28th 2020: Emerce ; January 28th 2020: NWO ; January 24st 2020: NPO1 radio.

June 26th, 2019: We, a consortium chaired by the Leiden University Medical Center, received the news that our project “Perfect Fit” for digital lifestyle coaching was granted by the Netherlands Organisation for Scientific Research (NWO):

On April 9th, 2019 Janice Sandjojo successfully defended her PhD thesis on Self-Management interventions for people with intellectual disabilities. A nice video (in Dutch) was made to explain the intervention and the evaluation study.

October 11th, 2018: Hanneke Hendriks on Dutch television on the effect of alcohol advertisement on social media!

September 13th, 2017: NWO published an item on Hanneke Hendrik’s Veni project,

Conversations often more influential than campaigns 

August 18th, 2017: In the Mare (Leiden University weekly journal) an item about healthy lifestyles among university students: The future is non-existent (… or is it?).

November 17th, 2016, in Leiden University Newsletter:

Wie zorgt er voor de Mantelzorgers?

May 29th, 2015 in Trouw:

Waarom vrouwen (nog) geen bier drinken

October 3rd, 2012 in Nieuws van Hier Teijlingen: Gesprek alcoholgebruik met kind moet beter’

see also:

De achtergronden van alcoholgebruik door jongeren in de gemeente Teylingen: Interviews met 15-jarige jongeren en hun moeders


13th  September, 2012 in Mare:


April 6th, 2011 in Nieuwscheckers: Vrouwen roken minder, ook al roken ze meer

February, 11th, 2010 in Mare:

Hard zoeken… …maakt ongelukkig Psychologen: “Waarom heb ik er geen?” malen, is schadelijk

February 26th,  2009 in Mare:

Nog maar dertig bier per week: Vrouwen minderen makkelijker dan mannen, ontdekken Leidse psychologen

or in English:

Down to thirty beers a week Leiden psychologists discover that women can cut down more easily than men

en op

July 5th, 2007 in Kennislink: Condoomcampagnes schieten te kort

2003 in MAKS! Houden meisjes niet van condooms?

(Former) PhD students

Eline Meijer (PhD in 2017)

November 13th, 2017 on the Belgium Radio “Stoppen met roken? Verander gewoon je imago!”

November 22th, 2017 on Radio Sleutelstad: “Eline Meijer Over De Rol Van Identiteit Bij Roken”.

November 28th, 2017 in the Margriet: Stoppen met roken? Dit gedachtentrucje maakt het makkelijker

November 24th, 2017 in the Gezondheidsgids: Stoppen met roken? Stel jezelf eens voor zonder sigaret.

November 22nd, 2017 in Nationale Zorggids: ‘Succesvol stoppen met roken door jezelf te zien als niet-roker’

November 20th, 2017 in Reformatorisch Dagblad: Dure sigaret goede stimulans om te stoppen

November 14th, 2017 in the Zorgkrant: Zie jezelf als niet roker

November 14th, 2017 in MedicalXpress: Who are you without that cigarette?

November 2017 on Kennislink: Afstappen van rokersidentiteit maakt stoppen makkelijker.

November 26th, 2015 in Mare:

Non-smokers have less trouble stopping: The influence of identity on smoking

July 5th, 2016 in the Leiden University Newsletter:

Social support and quitter-identity may help smokers quit

Josanne Huijg (PhD in 2014)

Works as a Postdoc Researcher at the Leyden Academy on Vitality and Ageing

An article on her PhD thesis: De effectieve introductie van beweeginterventies in de eerstlijnszorg 

Karin Menninga (PhD in 2013 at Groningen University, promotor Arie Dijkstra)

Works as a lecturer at the Hanze University of Applied Sciences in Groningen

See also January 10th, 2013 in Trouw:

‘De sigaret wegleggen is een leerproces’

January 10th, 2013 in Jouw Stad/Groningen:

Stoppen met roken volgens de Leer Abstinentie Theorie

in Noorderkrant:

Nieuw perspectief op stoppen met roken

in Groninger Gezinsbode:

Opzoeken van verleidingen helpt rokers met stoppen

Emma Massey (PhD in 2009)

Works as an assistant professor at the Erasmus Medical Centre, Department of Nephrology

An interview (in Dutch) with Emma on her job as psychologist and researcher at the Erasmus Medical Centre

In gesprek met psychologe en onderzoeker: Dr. Emma Massey