The player’s reported experience of

the player's reported experience of playing the game:
the player experience is measured through a 4 -
alternative forced choice questionnaire presented to the
player after playing a pair of games with different
controllable features, asking the player to report the
preferred game. for three affective states; engagement,
challenge and frustration.

The player's reported experience of playing the game:
The player experience is measured through a 4-
alternative forced choice questionnaire presented to the
player after playing a pair of games with different
controllable features, asking the player to report the
preferred game for three affective states; engagement,
challenge and frustration.

The player's reported experience of playing the game:
The player experience is measured through a 4-alternative forced choice questionnaire

presented to the player after playing a pair of games with different
controllable features, asking the player to report
the preferred game for three affective states; engagement,
challenge and frustration.