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Which of the following best describes the purpose of usability testing?

  1. Testing the application's network conditions

  2. Ensuring user-friendliness of software

  3. Measuring data transfer speeds

  4. Identifying hardware conflicts

The correct answer is: Ensuring user-friendliness of software

Usability testing is primarily focused on evaluating the user experience and the ease of use of software applications. The core purpose is to ensure that users can navigate and interact with the software efficiently and effectively, fulfilling their needs without frustration. It involves observing users as they complete tasks with the application, allowing testers to identify any issues regarding user-friendliness, understand user behaviors, and gather feedback on usability aspects. This encompasses various facets such as intuitiveness, ease of learning, and overall satisfaction with the application interface. By prioritizing user tasks and experiences, usability testing helps developers refine the software to enhance user satisfaction and productivity, which is essential for successful software deployment. Thus, ensuring user-friendliness of software captures the essence of usability testing perfectly.