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E V A L U A T I O N
being recorded, so this was kept to a minimum, which usually
resulted in videotaping only the first minute of the game.
4.5.3 Post-Game
4.5.3.1 Prisoner's
Dilemma
After the game, the microphones were taken off the players and they
were escorted to a different area, where they could not see each other
or hear each other. The Prisoner's Dilemma sheet was independent
from the questionnaire, printed on a separate piece of paper and
presented to the volunteers after the game. They were asked to read it
and to follow the instructions.
There was no time-limit, and the participants could think about it as
long as they wished. They gave the sheet with the top side up to the
observer and were given the questionnaire in return. Neither measure
asked for the participants' name.
4.5.3.2 Questionnaire
Again, there was no time-limit, and most participants finished it
within 10 minutes. None of them had any questions about the
questionnaire, although they were asked if everything was clear to
them.
4.5.3.3 Video
Interview
After the questionnaire, the participants were escorted to a separate
area, where they met for the first time in person. They were given a
set of open-ended questions and were asked to discuss the answers
informally. Nothing was written down, as the interview was
videotaped with the consent of the participants.
4.5.3.4 Post-Experiment
After the interview, I thanked each player personally again for their
participation and handed them an envelope with their payment. Only
three pairs of players decided to open the envelopes together,
everybody else left them closed and did not open them until they
were escorted out of the building.
Exertion Interfaces: Sports over a Distance for Social Bonding and Fun
94
Summary :
The Prisoner's Dilemma sheet was independent from the questionnaire, printed on a separate piece of paper and presented to the volunteers after the game. 4.5.3.3 Video Interview After the questionnaire, the participants were escorted to a separate area, where they met for the first time in person.
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