Tellervo Kalleinen, Oliver Kochta-Kalleinen, Ami Karvonen / & Espoo Theatre


Most people believe their thought processes to be both rational and sensible. And yet, systemic mistakes influence our thinking far more than we realize. These universally shared mental shortcuts are known as cognitive biases. Science has identified over 120 such shortcuts, ranging from confirmation bias to the IKEA effect.

At the entrance of the venue, the audience must choose between actor A or actor B, based on photos. Depending on their choice, they end up in either the A or B audience. A wall made of cardboard boxes blocks the view between the sides. The names of 60 scientifically researched cognitive biases are written in the boxes.

BIASED is an interactive performance that invites the audience to explore the hidden notions and unconscious factors that drive our actions and decision making.


Tellervo Kalleinen and Oliver Kochta-Kalleinen work as an artist duo. Their art merges languages and approaches of a number of disciplines, such as cinema, performance, game design, experimental education, hosting, facilitation and alternative economies. Together they have been awarded with AVEK media art award (2012) and Ars Fennica (2014).

Ami Karvonen is a dramaturg, theatre director and performing artist based in Helsinki. Karvonen currently works as the artistic director of Takomo Theatre. Her work has been seen e.g. in Q Theatre, Kiasma Theatre and the Swedish Theatre in Helsinki. Several works of multidisciplinary working groups convened by Karvonen have been presented at the Baltic Circle Festival. In 2018 Karvonen was awarded the State Prize for Performing arts.


  • Concept & Directing Tellervo Kalleinen, Oliver Kochta-Kalleinen, Ami Karvonen and working group
  • On stage Yasmin Ahsanullah, Niina Sillanpää
  • Lighting and space design Milla Martikainen
  • Sound design Grégory Maisse
  • Costumes Emma Taivainen
  • Supporters Co-funded by the Creative Europe Programme of the European Union
  • Premiere year 2022
  • Duration 110 min
  • Audience Adults, Youth
  • Stage dimensions 8x12x4.5

Contact Tellervo Kalleinen, Oliver Kochta-Kalleinen, Ami Karvonen / & Espoo Theatre

Katri Kekäläinen

+ 358 50 321 0977