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Abstract The aim of this systematic literature review was to answer the question of which executive function is most affected by interpreter training and experience. We used the ‘unity and diversity’ framework of executive functions to distinguish between three executive components: Response and Distractor Inhibition, Shifting, and Updating. Among the seventeen studies included in the review, we only found evidence for an interpreter advantage on Shifting and Updating, but with a different pattern for each of these. With regard to Updating, groups of interpreters scored better than comparison groups, but general trend in longitudinal studies did not show an improvement for interpreter trainees. In contrast, for Shifting, scores improved as a result of interpreting training. Our systematic review stresses the importance of understanding the diversity of executive processes when investigating the relationship between interpreting and cognitive performance.

The current study quantitatively applies Spolsky's triangular framework of language policy, including beliefs, practices, and management, to the family domain by investigating language policy in multilingual families in Belgium's Flemish Community. Firstly, we examine whether the three components in fact call for an independent description and examination. Secondly, we address the relationships between the components. To that end, we developed three scales for each of the language policy components according to Spolsky's model, and we tested construct validity of these scales using confirmatory factor analysis. Respondents were 776 multilingual families in Belgium. The results of our analyses confirmed that language policy in the family domain is not a unitary construct and that even though the three components are interconnected, they can still be described independently from each other. Interestingly, while beliefs and practices, and practices and management, were strongly correlated, a similar relationship was not found for beliefs and management, a finding which goes against what was reported previously in more formal domains of language policy. We believe that the current study opens up a wide range of follow-up investigations that dig deeper into the differing dynamics between language policy components in formal institutionalised domains, and the informal family sphere.

Aims: Multilingual families are often challenged with the transmission of their heritage language (HL) to future generations. Departing from this observation, this study aims to investigate which factors correlate with multilingual families’ HL maintenance efforts. The variables taken into account are the families’ language policy (FLP), advice from both Early Childhood Care and Education (ECCE) professionals and other (informal) sources, the parents’ linguistic and educational resources, as well as their migration generation. Methodology: Exclusively quantitative in nature, the data for this study involve 776 multilingual families in the Flemish community of Belgium. Analysis: These data have subsequentially been subjected to two inferential analyses: a bivariate correlational analysis followed by a logistic regression for a more detailed understanding of the relations at play. Findings: The results indicate a positive correlation between families’ policies and their HL maintenance efforts, in addition to confirming the independence of FLP’s three components (beliefs, practices, and management). Furthermore, contrary to advice from ECCE professionals, advice from other sources is positively and significantly associated with HL maintenance efforts. Finally, families comprised of parents with access to higher linguistic and educational resources are less likely to try and pass on the HL to their children, probably favouring the acquisition of the institutional language (IL). Originality: This paper quantitatively explores factors that correlate with parental HL maintenance efforts using a large and language-diverse sample. This quantitative approach facilitates generalizations for future (qualitative) research and advice-giving bodies to build on. Significance: Our findings bring about greater insights into the motivation of parents concerning HL maintenance and could contribute to the advice given to multilingual families.