Which of the qualitative sampling techniques is used in the following scenarios? 1. The researcher locates an individual who is opposite of what the initial findings suggest. 2. The researcher is...

Which of the qualitative sampling techniques is used in the following scenarios?

1. The researcher locates an individual who is opposite of what the initial findings suggest.

2. The researcher is studying the effects of implementing the Common Core curriculum and is asked to join a school advisory board. She decides to include fellow board members in her study.

3. The school system is studying a later start time for high school. They implement the study in the lowest performing high school in the school system.