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Measuring family functioning in families with parental cancer: Reliability and validity of the German adaptation of the Family Assessment Device (FAD)

  • OBJECTIVE The concept of family functioning is gaining importance in psycho-oncology research and health care services. The Family Assessment Device (FAD) is a well-established measure of family functioning. Psychometric properties inherent in the German 51-item adaptation of the FAD are examined in different samples of families with parental cancer. METHODS Acceptance, reliability, and validity of FAD scales are analysed in samples from different study settings (N=1701 cancer patients, N=261 partners, N=158 dependent adolescent children 11 to 18years old). RESULTS Missing items in the FAD scales (acceptance) are rare for adults (<1.1%) and adolescent children (<4.4%). In samples of adults and older adolescents (15 to 18years), all FAD scales except for the Roles scale are significantly reliable (0.75≤Cronbach's α≤0.88). The scales correlate highly (0.46≤Pearson's r≤0.59) with the criterion satisfaction with family life (convergent validity), and have smaller correlations (0.16≤r≤0.49) with measures of emotional distress and subjective well-being (divergent validity). In most FAD scales, adults seeking family counselling report worse family functioning (0.24≤Cohen's d≤0.59) than adults in other samples with parental cancer (discriminative validity). CONCLUSION Overall, the German 51-item adaptation of the FAD reveals good acceptance, reliability, and validity for cancer patients and their relatives. Particularly the scale General Functioning shows excellent psychometric properties. The FAD is suitable in the assessment of families with parental cancer for adults and adolescents older than 11years.
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Author:Volker Beierlein, Johanna Christine Bultmann, Birgit Möller, Kai Klitzing, Hans-Henning Flechtner, Franz Resch, Wolfgang Herzog, Elmar Brähler, Daniel Führer, Georg Romer, Uwe Koch, Corinna Bergelt
Parent Title (English):Journal of psychosomatic research
Document Type:Article
Year of Completion:2017
Year of first Publication:2017
Release Date:2020/10/16
GND Keyword:Adolescent; Adult; Child; Cross-Cultural Comparison; Family Relations/psychology; Female; Germany; Humans; Male; Parents/psychology; Psychometrics/statistics {\&} numerical data; Reproducibility of Results; Statistics as Topic; Surveys and Questionnaires
First Page:110
Last Page:117
Faculties:Sozialwesen (SW)
Publication list:Möller-Kallista, Birgit
Licence (German):License LogoBibliographische Daten