ISTQB CTAL-TM Exam - Topic 1 Question 23 Discussion

Actual exam question for ISTQB's CTAL-TM exam

Question #: 23
Topic #: 1

You are a Test Manager and have started a program of test process improvement. You are following the IDEAL model and have completed the first three phases, now you are ready to go further. Which TWO of the following activities will enable you to complete the remaining phases of the IDEAL model?

ATrial a low-priority improvement in order to assess the difficulty of changing the organisation's processes

BRe-prioritise the possible improvements according to their expected return on Investment

CTrial one or more of the highest-priority improvements in a pilot project

DDecide whether to take a model based or an analytical based process improvement approach

ECheck to see which benefits have, or have not, been achieved from the improvement made

Show Suggested Answer

Suggested Answer: C, E

According to the ISTQB glossary:

The IDEAL model comprises five phases: Initiating, Diagnosing, Establishing, Acting, and Learning.

''Acting'' includes piloting and implementing improvements (e.g. trialing highest-priority improvements).

''Learning'' includes evaluating the success and capturing lessons learned (e.g. checking if benefits were achieved).

Therefore, C (trial highest-priority improvements) belongs to the Acting phase, and E (benefits check) aligns with Learning.

Glossaire-des-tests-logiciels-v3_2F-ISTQB-CFTL.pdf, definition of IDEAL model

by Delmy at May 12, 2026, 12:26 AM

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Kristal

16 days ago

I remember we discussed the importance of prioritizing improvements based on ROI in our last study group. It seems like option B could be a solid choice.

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