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„… questionnaire, the acquisition of validity pointers for the target group of students and the execution of a …” „… (Cronbach’s α between .74 und .93) and validity (see chapter 5.1.2, pp. 138 ff.). In total, ten life goal …” „… success/prosperity”. First indications of the construct validity of the developed life goal questionnaire stemmed …”

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„… case study method can include a variety of sources for higher construct validity (Yin, 2009). Case …” „… proper quality assessment is needed to judge the generalizability and validity (Yin, 2009). Assuring …” „… validity, external validity, internal validity and reliability (see Table 8). 42 Construct validity refers …”

„… validity and reliability of the study. As shown in Figure 11, we fulfill all four categories to good …” „… extent. Thus, we can conclude that our results are valid because of a high research validity (Yin, 2009 …” „… ). We use data triangulation through a lot of archival data for construct validity (Gibbert et al …”

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