Werkgroep 3Het eerste deel van de vragen gaat over het artikel van Firk et al. (2018) met als referentie:Firk, C., Konrad, K, Herpertz-Dahlmann, B., Scharke, W., & Dahmen, B. (2018). Cognitive development in children of adolescent mothers: The impact of socioeconomic risk and maternal sensitivity. Infant Behavior and Development, 50, 238-246. https://doi.org/10.1016/j.infbeh.2018.02.0021. What is the research question of Firk et al. (2018)?What are the differences in children’s cognitive development between children of adolescent and adult mothers in their first two years of life? Are these differences between children of adolescent and adult mothers mediated by maternal parenting qualities?2. What is the hypothes is of the researchers with regard to this research question?No clear hypothesis is mentioned, but Firk et al. do repeat what they want to investigate: They want to test the hypothesis whether maternal socioeconomic problems have a direct effect on child outcome or whether this effect is mediated by maternal sensitivity.3. Describe in your own words which groups the researchers want to compare. How did the researchers select these samples?Mother-child dyads were recruited within a project on adolescent parenting in cooperation with the local youth welfare system, obstetric clinics, midwife practices and pediatrician practices. Adolescent mothers were all < 21 years, adult mothers were all > 25 years. It is unclear how the samples were actually selected, but it appears that all dyads that wanted to participate and met the inclusion criteria, were included in the study.4. In the results section, study the first mediation model that the researchers analyze. What is in this model the independent variable (X), the dependent variable (Y) and the mediator (M)?X = Maternal ageY = Cognitive developmentM = Maternal sensitivity5. For model 1, use the values included in the text and in the...
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