# Evaluation Topics: User Tasks

### USER TASKS: checking its quality

![A Taxonomy of Usability Characteristics in Virtual Environments, Joseph L. Gabbard (1997)](https://1763729276-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LiPPFFn8713gkOyphHP%2F-LnEDJ6cmoctreI-9hh9%2F-LnEG2LbpXv_DN5lgFps%2Foverview.jpg?alt=media\&token=5044ad0e-2e7c-4f29-bf06-f66d29c9b244)

* Navigation & Wayfinding
* System Control
* Selection & Manipulation
* Feedback, Feedforward & Force feedback

> _**Tools**_: Hierarchical Task Analysis - User Task Flow - User Testing - Heuristic Evaluation - Biometric measuring - Questionnaires - Interviews
