In a marking scheme, each criterion should be...Question 9Answera.Vagueb.Detailedc.Subjectived.Arbitrary

To analyze the options for the statement regarding a marking scheme, let's evaluate each choice critically.

1. Option A: Vague

   • A marking scheme that is vague lacks clarity and can lead to inconsistent grading. This is generally not desirable in academic assessments.

2. Option B: Detailed

   • A detailed marking scheme provides clear criteria for assessment, helping both students and evaluators understand what is expected. This is typically considered a best practice in education.

3. Option C: Subjective

   • While some aspects of evaluation may be subjective, a marking scheme should strive to be objective to ensure fair grading. High subjectivity can lead to bias.

4. Option D: Arbitrary

   • An arbitrary marking scheme does not follow a logical or pre-defined structure, leading to unpredictable grading outcomes. This is also not recommended.

Conclusion

From the analysis, the most appropriate choice would be:

Final Answer: b. Detailed