Answer :
A clear codebook makes it more likely that behavioral observations will have good interrater reliability.
Hence, option B is correct.
What do you mean by Behavioral Observation ?
- Behavioral observation can be defined as a functional, utilitarian approach.
- It focuses on the clearly observable ways where the client usually interacts with his or her environment.
- It may be used informally as part of an interview or in a testing session.
- The three types are frequency recording, duration recording, and interval recording.
- It is widely used method in behavioral assessment.
Hence, option B is correct.
To know more about Behavioral Observation from the given link
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