Observation can be used on a sporadic basis when the manager suspects that something is wrong, such as installing video cameras or tapping the telephone lines.

True

False

True

True

True. Observation can be used on a sporadic basis when the manager suspects that something is wrong. This can involve methods such as installing video cameras or tapping the telephone lines. However, it is important to note that the use of such methods may require legal considerations, such as obtaining appropriate permissions or adhering to privacy laws in some jurisdictions. It's always important to ensure that any actions taken comply with the legal and ethical guidelines of the relevant jurisdiction.