True or False:

1. There is no problem observing individuals without their knowledge.

2. A focus group is easy to conduct, just have a group of people to talk about the subject matter.

3. If there is no need for participants to rely on each other for developing ideas or for them to feel secure in numbers, 1-on-1 interviews might be a better idea.

4. When people tend to say the right thing, observation might be a better option.