When your research is based on children and how they learn, how can you be certain that you are getting a cross section

When your research is based on children and how they learn, how can you be certain that you are getting a cross section of all types of children. Are you working within schools or hospitals where a child’s development is affected by their health?
Kim

Posted on April 14, 2015 by valek in Question. Comments Off on When your research is based on children and how they learn, how can you be certain that you are getting a cross section