If a mixed research study uses a nested concurrent sampling design, then which of the following best represents this design?


1. Quantitative and qualitative data are collected one after the other, but with the quantitative sample being a subset of the qualitative sample.

2. Quantitative and qualitative data are collected at the same time on the same individuals who are participating in both the quantitative and qualitative phases of the study.

3. Quantitative and qualitative data are collected at the same time, but with the qualitative sample being a subset of the quantitative sample.