G. Marchionini, UNC-CH
Evaluate Interactions
•Think aloud protocols
•Observations, Transaction log analysis
•Interviews, Stimulated recall
•Error analysis
•Time on task
•Cost-benefit analysis
•Questionnaires
•Simulations
think aloud: Jorgensen & Liddy book indexes; Beaulieu OKAPI
transaction logs: BLS project, Marchionini & Hert
error analysis: Grateful Med project, Marchionini & Norman
time on task: # moves, time/screen, frequency of access (across sessions)--DO PEOPLE USE the SYSTEM?
cost-benefit: attention cycles
questionnaires: QUIS
simulations: Friedman, C. & Downs, S. Alternatives to current methods: Decision-theoretic approaches.

Jorgensen, C., & Liddy, E. (1996).