HCI Quiz II

1.What is meant by constraints?

• Constraints are limitations or restrictions that define the boundaries of a system or process.
• Constraints are guidelines that enhance a system's performance.
• Constraints are opportunities for innovation within a system.
• Constraints are suggestions that can be ignored in a process.

2.Discuss scenario task analysis.

• Scenario task analysis is a method used to identify and analyze tasks within a specific context or scenario.
• Scenario task analysis is a technique for improving team communication.
• Scenario task analysis focuses solely on individual performance metrics.
• Scenario task analysis is only applicable to software development.

3.Explain usability engineering.

• Usability engineering focuses solely on aesthetic design.
• Usability engineering is the study of software coding practices.
• Usability engineering is the process of designing and evaluating products to ensure they are user-friendly and meet the needs of users.
• Usability engineering is a method for increasing product sales.

4.Give requirement for waterfall model.

• Unclear project phases
• Clear documentation, defined phases, coding and unit test,integration.

• Flexible documentation
• Minimal stakeholder feedback

5.Design _________ is information which explain about computer system .

6.Expand IBIS

• International Business Information System
• Integrated Business Information System
• Intelligent Business Information System
• Issue Based Information System

7.A _________ __________ is a task-based usability-inspection method that involves a crossfunctional team of reviewers.

8.Who proposed Heuristic Evaluation?

• Don Norman
• Steve Krug
• Nielsen and Molich.

• Alan Cooper

9.What is null hypothesis?

• The null hypothesis (H0) states that there is no effect or no difference.
• The null hypothesis (H0) asserts that there is a significant effect.
• The null hypothesis (H0) claims that all outcomes are equally likely.
• The null hypothesis (H0) suggests that the observed data is always correct.

10.Discuss think aloud

• Think aloud is a method of observed performing task.

• Think aloud is a method used exclusively in group discussions.
• Think aloud involves writing down thoughts only.
• Think aloud is a technique for silent reflection.