CTAL-TM practice question 19 of 30

You are Test Manager working on a project which is improving the user interface for its call centre staff handling customer enquiries. The project…

Full set: 228 questions
You are Test Manager working on a project which is improving the user interface for its call centre staff handling customer enquiries. The project has completed UAT for the first iteration; however a large number of defects were raised by call centre staff seconded to help with the User Acceptance testing. The defects described the user interface as not being intuitive enough with a poor 'help' facility. A user representative spent a week working with developers and system testers to explain the issues, which were subsequently agreed to have resulted from poorly specified usability requirements. The requirements were defined separately for each iteration and have been formally reviewed by business analysts, developers and the IT director. The user representative was also able to answer a number of other questions that the system test team had regarding call centre workflows, which improved their domain knowledge. You have been asked to conduct a project retrospective and recommend improvements for the next iteration which introduces further user interface changes. Which of the following would be the MOST effective improvement for the next iteration?
Answer options
A: System test analysts to attend external training on usability testing techniques.
B: System test cases to incorporate usability testing and be reviewed by a call centre user representative.
C: Call centre representatives to participate in reviews of the user interface requirements. Correct answer
D: A call centre user representative to be seconded to the system test team to help improve test design.
Correct Answer:
C. Call centre representatives to participate in reviews of the user interface requirements.
Explanation

The root cause of the defects was explicitly identified as "poorly specified usability requirements." The scenario notes that the requirements were reviewed by business analysts, developers, and the IT director, but notably lacked input from the actual end-users (call centre staff). Involving call centre representatives in the requirements review process directly addresses this root cause early in the software development lifecycle. This adheres to the ISTQB core principles of early testing, defect prevention, and ensuring that usability requirements are validated by actual user representatives before development begins.

Why Incorrect

A: Training system testers does not address the root cause, which is the poorly specified requirements phase. B: Reviewing test cases occurs too late in the lifecycle to prevent defects originating from poor requirements. D: Seconding a user to the test team improves test execution but fails to prevent requirement defects early on.

References

- ISTQB Advanced Level Test Manager Syllabus (v3.0), Section 2.2 (Test Planning) and Section 3.2 (Reviews).

- "Software Testing Foundations" by Andreas Spillner et al., Chapter on Review Processes and Early Defect Detection.

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