evaluation 36x user study 27x experiment 10x eye tracking 7x crowdsourcing 5x empirical evaluation 4x empirical study 3x insight-based evaluation 3x visualization evaluation 3x demand-driven evaluation 2x evaluation methodology 2x log file analysis 2x non-destructive testing 2x optimal visualization 2x performance analysis 2x validation 2x verifiable visualization 2x walkthrough 2x confusion analysis 1x confusion matrices 1x crowdsourced study 1x evaluation of visualization techniques 1x experimental comparison 1x experimental design 1x experimental method 1x experimental studies 1x experimentation 1x expert reviews 1x eye gaze analysis 1x eye tracking study 1x funnel analysis 1x game performance evaluation 1x human subjects testing 1x in situ analysis 1x intent discernment 1x interaction logs 1x item response theory 1x low-fidelity prototyping 1x mechanical turk 1x multi-factorial 1x nondestructive testing and evaluation 1x note taking 1x online study 1x quantification 1x satisfaction survey 1x session analysis 1x standardized testing 1x student performance analysis 1x survey 1x systematic review 1x test and measurement 1x testbed design and evaluation 1x training 1x user evaluation 1x user experience 1x user involvement 1x user satisfaction 1x user study evaluation 1x user tracking 1x verbal analysis 1x verification 1x verification and validation 1x visineers' heuristics and expertise 1x visual inspection 1x visual testing 1x visual verification 1x wizard of oz 1x