Which of the following is the main personal quality required for an effective…

Concept

In problem-based learning, a facilitator scaffolds inquiry, asks probing questions, and keeps learners’ reasoning anchored in the discipline rather than simply delivering answers.

The role therefore requires enough command of the subject and facilitation competence to recognize productive lines of inquiry and guide learners accurately.

Application

Among the listed qualities, content knowledge and competence directly support this role: they help the facilitator interpret learners’ ideas, question assumptions, and guide the group without taking over the problem.

Contrast

• Experience in textbook writing concerns the design of published learning materials, which is a different professional activity.

• Strict adherence to traditional methods emphasizes fixed teacher-led procedures rather than adaptive, learner-centred inquiry.

• Advanced computer skills can support the use of digital resources, but they are not the central capacity for guiding disciplinary reasoning.

Cross-check

The role remains necessary even when no textbook is being written, no computer is used, and the session is not teacher-led: accurate scaffolding still depends on content knowledge and competence.

Result

Therefore, content knowledge and competence is the best-supported answer.