David Stillwell

Research Associate
The Psychometrics Centre, University of Cambridge

E-Mail:
Twitter: @david_stillwell
Linkedin: View Profile

Biography

Academic
2012 - Present	Research Associate The Psychometrics Centre, University of Cambridge
2008 - 2011	Ph.D. candidate in the area of decision-making - currently writing up Funded by a European Social Research Council (ESRC) Quota Studentship School of Psychology, University of Nottingham with Dr Richard Tunney
2007 - 2008	M.Sc. (with merit) Psychological Research Methods Funded by a European Social Research Council (ESRC) Quota Studentship School of Psychology, University of Nottingham
2004 - 2007	B.Sc. Hons (first class) Psychology School of Psychology, University of Nottingham
1997 - 2004	A-Level and GCSE student Colchester Royal Grammar School
Commercial
2007 - Present	Founder and Developer of web application myPersonality Installed by millions of users worldwide. I also co-founded Cambridge Personality Research, Preference (which used to be LikeAudience) and YouAreWhatYouLike, which make use of the data that myPersonality has collected for market research.
2004 - Present	Freelance Web Designer Sites such as Q-Active, Midlands Nordic Walking, Linda's Nailz and Beauty, and Handmade By Hannah.
Feb - Apr 2011	Consultant for Microsoft Research in Cambridge Creating an app to explore online data collection for behavioral game theory, supervised by Thore Graepel in the machine learning group.
2007	Consultant to Taptu Ltd Set up and optimised their Facebook application promoting their mobile search

Peer Reviewed Journal/Conference Publications

Bachrach, Y., Kosinski, M., Graepel, T., Kohli, P., & Stillwell, D. (in press) Personality and Patterns of Facebook Usage. ACM WebSci 2012.

Kosinski, M., Kohli, P., Stillwell, D., Bachrach, Y., & Graepel, T. (in press) Personality and Online Behavior. ACM WebSci 2012.

Kohli, P., Bachrach, Y., Stillwell, D., Kearns, M., Herbrich, R., & Graepel, T. (in press) Colonel Blotto On Facebook: The Effect of Social Relations On Strategic Interaction. ACM WebSci 2012.

Rentfrow, J., Goldberg, L.R., Stillwell, D.J., Kosinski, M., Gosling S.D., & Levitin, D.J. (in press) The Song Remains the Same: A Replication and Extension of the MUSIC Model. Music Perception.

Quercia, D., Las Casas, D., Pesce, J.P., Stillwell, D., Kosinski, M., Almeida, V. & Crowcroft, J. (2012) Facebook and Privacy: The Balancing Act of Personality, Gender, and Relationship Currency. ICWSM. [Link]

Wang, N., Kosinski, M., Stillwell, D.J. & Rust, J. (2012) Can well-being be measured using Facebook status updates? Validation of Facebook’s Gross National Happiness Index. Social Indicators Research. [Link]

Stillwell, D.J. & Tunney, R.J. (2012) Effects of measurement methods on the relationship between smoking and delay reward discounting. Addiction. [Link | Supplementary Material]

Quercia, D., Lambiotte, R., Kosinski, M., Stillwell, D. & Crowcroft, J. (2011) The Personality of Popular Facebook Users. ACM CSCW 2012. [Link]

Quercia, D., Kosinski, M., Stillwell, D. & Crowcroft, J. (2011) Our Twitter profiles, our selves: Predicting personality with Twitter. IEEE SocialCom. [Link]

Hagger-Johnson, G., Egan, V. & Stillwell, D.J. (2011) Are social networking profiles reliable indicators of sensational interests? Journal of Research in Personality, doi:10.1016/j.jrp.2010.11.013

Stillwell, D.J. & Tunney, R.J. (2009). Melioration behaviour in the Harvard Game is reduced by simplifying decision outcomes. Quarterly Journal of Experimental Psychology, 62, 2252-2261. [link]
NB: I have made the simplified Harvard Game program available for download.

Talks

Stillwell, D.J. (2012) Psychological correlates of smoking, drinking and drug-taking (use and dependency) from a large online sample. Social and Developmental Psychology department, University of Cambridge.

Crosier, B., Webster, G., Stillwell, D., Kosinski, M., Orozco, S.T., Novell, C. (2012) Personality Shapes Real-World and Online Social Networks. Thirteenth Annual Meeting of the Society for Personality and Social Psychology (SPSP) in San Diego, CA

Kohli, P., Bachrach, Y., Graepel, T., Smyth, G., Armstrong, M., Stillwell, D., Herbrich, R., Kearns, M. (2012) Behavioral Game Theory on Online Social Networks: Colonel Blotto is on Facebook Workshop on Computational Social Science and the Wisdom of Crowds (NIPS 2011). [Link]

Stillwell, D.J. (2011) The Relationship of Intrapersonal Externalities and Delay Discounting to Smoking. School of Psychology Internal Seminar, Nottingham University.

Sun, L., Kosinski, M., Stillwell, D., Rust, J. (2011) On the Test-Retest Reliability of the 100-item IPIP Scales: Differential Temporal Stability of the Big Five Personality Traits. International Meeting of the Psychometric Society (IMPS), Hong Kong.

Stillwell, D.J. (2011) Personality data collection on social networks. Psychademia Conference, Nottingham Trent University.

Stillwell, D.J. & Tunney, R.J. (2011) Delay discounting methodology does not affect the relationship between discounting and impulsive behaviours. Experimental Psychology Society (EPS) Conference, Nottingham University.

Stillwell, D.J. (2010) myPersonality: how to utilize social networks for social research. Cambridge Psychometrics Centre, University of Cambridge.

Posters

Sun, L., Cek, I., Spindler, S. A. K., Stillwell, D., Kosinski, M., Rust, J. (2011) Confirmatory Factor Analysis of the 100-item IPIP measure on a large Facebook dataset. International Meeting of the Psychometric Society (IMPS), Hong Kong.

Stillwell, D.J., Kosinski, M., & Tunney, R.J. (2011) You are what you like. Research Showcase finalist, Nottingham University. [View Poster]

Stillwell, D.J., Bibby, P., & Tunney, R.J. (2010) Are people happiest living near others like them? Research Showcase finalist, Nottingham University. [View Poster]

Professional Qualifications

Level A and B certificates of competence in occupational testing (ability tests, and personality tests using the NEO-PI-R). Issued by the British Psychological Society.

Teaching Experience

Led tutorials for subsidiary students taking introductory psychology classes, demonstrator in lab classes for second year psychologists for 3 years, co-supervised a third year undergraduate on her final project.

Led a training course for business on using stats in advertising.

Awards

Allen Standen Prize for Outstanding Project 2006 - 2007
School of Psychology, University of Nottingham

Higher Education Academy Student Essay Award competition 2007 runner up

Major Training Courses

11-14 Jan 2010	Enterprisers Programme Centre for Entrepreneurial Learning, hosted at Warwick University Learned to: spot enterprising opportunities, develop self efficacy, and apply more entrepreneurial ways of thinking to any project through a process of knowledge, activity and reflection.
6-10 Sep 2009	Psychometric Test Construction The Psychometrics Centre, University of Cambridge Introduction to Item Response Theory and Classical Test Theory

Media/Business Events

I spoke at the Psychology of Online Influence conference (2012). Slides and an audio recording are available here.

I spoke at Insight 2.0: The Future of Social Media Analysis on the topic of behavioural profiling based on Facebook Likes (2012).

I spoke at Social Media Week London at a panel on The Psychology of Online Influence. A video of the session is available here. And here is a podcast after the event (2012).

I wrote a blog post for New Media and Marketing called, Neuromarketing? Just ask me what you want to know (2012).

I was interviewed on BBC Radio 4 about myPersonality for the 'You and Yours' programme. A recording is available here (2011).

LikeAudience, a project I co-founded, was mentioned on various news sources including Times Higher Education (2011).

Last updated May 2012