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BACKGROUND Preimplantation genetic diagnosis (PGD) is a technique which is often related to emotional debates because of its ethical and social implications. Worldwide there are different forms of legislation; Germany constitutes an interesting case because of the historical background concerning eugenics and dealing with handicapped persons at the time of(More)
BACKGROUND Based on the declining birth rates in Germany, one might assume that the number of people who unintentionally are without children is growing. However, studies over recent years have documented that the number of people who deliberately have no children is growing instead. METHODS This report focuses on attitudes and motives which influence the(More)
The objective of this study was to generate normative values and to test psychometric properties of the Hospital Anxiety and Depression Scale (HADS) for the general population of Colombia. While there are several normative studies in Europe, Latin American normative values are missing. The identification of people with mental distress requires norms(More)
BACKGROUND Pre-implantation genetic diagnosis (PGD) is a modern technique in reproductive medicine which can be used to diagnose genetic disorders of an embryo. PGD is currently not legal in Germany, still there are debates being held regarding the issue of legalization. Both the internationally "accepted" indications and new or alternative approaches can(More)
BACKGROUND The PHQ-4 is a widely used open access screening instrument for depression and anxiety in different health care and community settings; however, empirical evidence of its psychometric quality in Colombia is lacking. The objectives of the current study were to generate normative data and to further investigate the construct validity and factorial(More)
There are normative data of the quality of life (QoL) questionnaire EORTC QLQ-C30 (the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire) for several European countries and Korea, but not for Latin America. The aim of this study was to provide these normative values for the general population in Colombia and to assess(More)
While the General Health Questionnaire, 12-item version (GHQ-12) has been widely used in cross-cultural comparisons, rigorous tests of the measurement equivalence of different language versions are still lacking. Thus, our study aims at investigating configural, metric and scalar invariance across the German and the Spanish version of the GHQ-12 in two(More)
This study evaluated cross-cultural measurement invariance for the General Self-efficacy Scale (GSES) in a large Brazilian (N = 2.394) and representative German (N = 2.046) and Colombian (N = 1.500) samples. Initially, multiple-indicators multiple-causes (MIMIC) analyses showed that sex and age were biasing items responses on the total sample (2 and 10(More)
BACKGROUND The Beck Hopelessness Scale (BHS) is a self-report instrument for the quantification of hopelessness in nonpsychiatric, as well as psychiatric patients. Hopelessness is a key psychological variable in suicide prediction. Until now the psychometric properties of the instrument have not been studied in a representative sample of the general(More)
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