In participant observation you need not to decide whether to reveal or conceal yourself.

Participant observation cannot be high levels of role conflict for the researcher.

Unstructured and semi-structured observation generally produce qualitative data.

As a collaborative observer you would seek trying to recognise how your own position could affect the interactions with those who collaborate.

Structured observation is often used to quantify observed behaviours.

One characteristic of participant observation is experiencing the activity or event as both insider and outsider.

Access to organizations may be easy in participant observation.

In complete observation, it is the subjective judgement of those being observed that will be used to interpret data, rather than any involvement from the researcher.

One characteristic of participant observation is being reflective.

Standardisation is not important where you wish to compare between individuals or groups.