Lennart Nacke

ux games gamification design user experience game design hci playability usability gaming experience game psychophysiology gameful design waterloo games user research gur physiological computing emg eeg player experience game thinking hcigames gamesur gsr ixd emotion interaction design gamemetrics px biometrics metrics physiological hitman 2 gunfire time vector ranking play players fun interaction playful design player types hexad design thinking uxd ux design university of waterloo game ux summit game ux swagur keynote chi biofeedback eye tracking sensors brain eda challenge affective computing bci visualization affective science knowledge data statistics physiology technology story gameplay gdc player heatmap systems engineering eyetracking aquaria half-life development research interfaces measurement entwicklerkonferenz berlin papers writing howto chipaper games institute intrinsic simulation toys gameful design heuristics player trait model player traits serious games user types hexad heuristics gameful heuristics survey sİnek systematic reviews systematic review survivorship bias start with why replication phdchat open science gamifin failure failing fail conference brainhex apple arcade apple fluxible2018 fluxible communitech user experience design motiviux user research personas oxford university press oup neurophysiology affect toronto player research cognition strategic skill gambling chance twitch skill decision-making game decisions auctions trade-offs mental skills skills physical skills luck game pacing social skills self-determination theory choice motivation malone persuasion levels game elements agency sdt points leaderboards storytelling formal elements of games character boundaries objectives video games conflicts procedures premise outcomes resources dramatic elements of games rules gamilearn17 gamification languages gamilearn gameful conference yoga human-computer interaction player insights sensor data london body signal hci games ur ui playtesting migs evaluation affective gaming chi2011 temperature respiration death trigger control fmri scl fnirs body bytes presence ux model flow electromyography game metrics immersion rolighetsteorin quantitative methods ludology gx neurology digra digra09 techniques experimentation panel gameplay experience methodology halflife events logging hierarchical hierarchy qualitycontrol qa sociological user metagame assurance quality machine system community dimension mobility mechanics social audiovisual structural functional model gameusability methods talk gdccanada userresearch gametesting digital education