Criado por Oscar Jara
mais de 4 anos atrás
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Questão | Responda |
Metrics | a way of measuring or evaluating a particular phenomenon or thing |
Independent Variable | things you manipulate or control (Ex. interface style, number of menu items) |
Dependent Variables | things you measure (Ex. time to perform task, number of errors) |
Types of Metrics | Performance Metrics Issue-Based Metrics Self-Reported Metrics Behavioral & Physiological Metrics Combined & Comparative Metrics |
Types of Metrics 1 - Performance | success of tasks --- time on task --- errors --- efficiency --- learnability (Ex. Binary Success Chart) |
Types of Metrics 2 - Issues | [ Def. ] A common issue is evaluating how or when to end a task if the user is not successful -------------------------------------------------------------- [ Resolutions include... ] * User should complete a task or reach the point for assistance * A limited number of attempts * Set a time limit |
Types of Metrics 3 - Errors | [ Def. ] User enters incorrect data or performs an incorrect action |
Types of Metrics 4 - Efficiency |
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