Question 6 1 pts Showing the user a Progress Bar during a Long Operation is example of the heuristic: Visibility of System Status True False Question 7 2.5 pts In user-centered design, heuristic evaluation is: A series of pictures shown in sequence to visualize the user experience and interaction Using principles based on research to assess the usability of a system A story-like textual description of a system's usage A set of common UI components, patterns, and styles to promote reuse and provide a consistent user experience A profile of a fictional potential user that helps you make user-centered decisions during development Question 8 2.5 pts If a developer is testing one Java class, or one method of a Java class, she is conducting: O Functional testing (User) acceptance testing A/B testing Unit testing Integration testing System testing