In a second step,
11 further interviews were conducted, and the already
formulated concepts and themes were juxtaposed with
new material [19]. During the meetings, two researchers
(MZ, MG) constantly compared their interpretations of
the data and worked towards consensus about the inter-
pretation of possible meanings thus guiding the constant
comparative analysis. In order to arrive at a more thor-
ough understanding of the participants’ perspectives and
experiences the researchers discussed commonalities,
differences, and explanations for discrepancies between
interviews. Comparing and contrasting elements within
and between cases enabled them to find out what was
shared and what was different. A reflection on this ana-
lysis was described, text parts were coded and a code
tree was developed. Coding was supported by the soft-
ware program MAXqda.