When bilinguals speak, both fluent language systems become activated in parallel and exert an influence on speech production. As a consequence of maintaining separation between the two linguistic systems, bilinguals are purported to develop enhanced executive control functioning. Like bilinguals, individuals who speak two dialects must also maintain separation between two linguistic systems, albeit to a lesser degree. Across three tests of executive function, we compared bilingual and bidialectal children's performance to that of a monolingual control group. No evidence for a bidialectal advantage was found. However, in line with a growing number of recent partial and failed replications, we observed a significant bilingual advantage only in one measure in one task. This calls the robustness of the bilingual advantage into question. A comprehensive review of studies investigating advantages of inhibitory control and cognitive flexibility in bilingual children reveals that the bilingual advantage is likely to be both task and sample specific, and the interaction between these factors makes qualification of the effect challenging. These findings highlight the importance of tracking the impact of dual linguistic systems across the lifespan using tasks calibrated for difficulty across different ages.
Do children and adults engage in spontaneous Theory of Mind (ToM)? Accumulating evidence from anticipatory looking (AL) studies suggests that they do. But a growing body of studies failed to replicate these original findings. This paper presents the first step of a large-scale multi-lab collaboration dedicated to testing the robustness of spontaneous ToM measures. It examines whether 18-27-month-olds and adults’ anticipatory looks distinguish between knowledgeable and ignorant agents. In a pre-registered study with toddlers [anticipated N = 440, 50% female] and adults [anticipated N = 360, 50% female] from diverse ethnic backgrounds, we found that [DESCRIBE RESULT AND EFFECT SIZE FOR MAIN CONFIRMATORY ANALYSIS]. This provides [SUPPORT/SOME SUPPORT/NO SUPPORT] for spontaneous, epistemic state-based action anticipation in an AL paradigm.
This paper describes a pilot of art psychotherapy groups using a dyadic approach as an intervention for parents and infants in order to improve their relationships. The pilot was developed as a collaboration between an Art Psychotherapist and a Developmental Psychologist. It sought to use standardised measures of parental well-being and object relations as well as developing an observational tool that could be applied to video footage of groups to measure change in the duration of attachment behaviors across the span of the intervention. The paper demonstrates a positive change within the dyads' relationships and the viability of evaluating groups using these measures. It will describe the process of developing the observational tool and argue for the next steps to be taken.
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