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Objective We examined the acculturation processes involving intergenerational consonance and dissonance in parent–child relationships in U.S. immigrant families. Background This study is important because we lack national studies that examine the association between acculturation processes and intergenerational relationships among diverse racial/ethnic groups in immigrant families. Method Using national data from Add Health with diverse race/ethnicity, we measured acculturation levels by immigrant generation, age of arrival, and length of time. Intergenerational consonance (the degree to which children and parents share the same values and activities) was measured by family cohesion and sharing meals (specifically dinners) with parents. Intergenerational dissonance (the degree to which parents and children differ in expected norms and parents lose authority over their children) was measured by parent–child conflict and parental control. Ordinary least square, binary logistic, ordered logistic, and Poisson regressions were conducted depending on the nature of the four dependent variables. Results We found robust evidence that adolescents of the second immigrant generation acculturate more rapidly than those of the first generation and their immigrant parents creating a “gap” in intergenerational relationships. Thus, second‐generation adolescents experience lower levels of family cohesion, less frequency of sharing weekly dinners with parents, less parental control of adolescents' activities, and more serious arguments about their behaviors with their parents than their first‐generation counterparts. Conclusion This is the new evidence that is based on national data, across multiple measures of intergenerational relationships, and holds for diverse racial and ethnic groups. Implications The findings underscore the importance of developing culturally informed interventions supporting healthy parent–child relationships in immigrant families.

It remains unclear whether adult-learned second language (L2) depends on similar or different neurocognitive mechanisms as those involved in first language (L1). We examined whether English past tense forms are computed similarly or differently by L1 and L2 English speakers, and what factors might affect this: regularity (regular vs. irregular verbs), length of L2 exposure (length of residence), age of L2 acquisition (age of arrival), L2 learners’ native language (Chinese vs. Spanish), and sex (male vs. female). Past tense frequency effects were used to examine the type of computation (composition vs. storage/retrieval). The results suggest that irregular past tenses are always stored. Regular past tenses, however, are either composed or stored, as a function of various factors: both sexes store regulars in L2, but only females in L1; greater lengths of residence lead to less dependence on storage, but only in females; higher adult ages of arrival lead to more reliance on storage. The findings suggest that inflected forms can rely on either the same or different mechanisms in L2 as they do in L1, and that this varies as a function of multiple interacting factors.

In the context of 90 adult Japanese learners of English with diverse second language experience and 10 native speakers, this study examined the linguistic characteristics and learner profiles of low-, mid- and high-level fluency performance. The participants’ spontaneous speech samples were initially rated by 10 native listeners for global fluency on a 9-point scale (1 = dysfluent, 9 = very fluent), and then divided into four proficiency groups via cluster analyses: low (n = 29), mid (n = 30), high (n = 31), and native (n = 10). Next, the data set was analyzed for the number of pauses within/between clauses, articulation rate, and the frequency of repetitions/self-corrections. According to the results of a series of analyses of variance, the frequency of final-clause pauses differentiated low- and mid-level fluency performance; the number of mid-clause pauses differentiated mid- and high-level performance; and articulation rate differentiated high-level and nativelike performance. The analyses also found that the participants’ second language fluency was significantly associated with their length of residence profiles (0–18 years), but not with their age of arrival profiles (19–40 years).

Gender differences were analyzed across countries of origin and continents, and across mother tongues and language families, using a large-scale database, containing information on 27,119 adult learners of Dutch as a second language. Female learners consistently outperformed male learners in speaking and writing proficiency in Dutch as a second language. This gender gap remained remarkably robust and constant when other learner characteristics were taken into account, such as education, age of arrival, length of residence and hours studying Dutch. For reading and listening skills in Dutch, no gender gap was found. In addition, we found a general gender by education effect for all four language skills in Dutch for speaking, writing, reading, and listening. Female language learners turned out to profit more from higher educational training than male learners do in adult second language acquisition. These findings do not seem to match nurture-oriented explanatory frameworks based for instance on a human capital approach or gender-specific acculturation processes. Rather, they seem to corroborate a nature-based, gene-environment correlational framework in which language proficiency being a genetically-influenced ability interacting with environmental factors such as motivation, orientation, education, and learner strategies that still mediate between endowment and acquiring language proficiency at an adult stage.

Higher education is a powerful tool for migrant integration into destination countries. This paper presents an empirical comparison between native and migrant students in Chile, focusing on their trajectory through different transitions: high school graduation, performance on university entrance exams, and decision to enroll in technical or university higher education. Results show that, when controlling for school performance, natives are more likely to complete every transition compared to migrant students, except in the enrollment to technical higher education where migrants have a higher rate. However, we also show that the timing of arrival to the educational system matters and that the differences between groups completely disappear if migrant students arrive before age 10 in the educational system. Therefore, we expand the educational literature by empirically showing that when migrants enter the school system is crucial. If they arrive early in life, they can have a trajectory similar to that of native students.

We investigated age-related decline in adult learning of Dutch as an additional language (Ln) in speaking, writing, listening, and reading proficiency test scores for 56,024 adult immigrants with 50 L1s who came to the Netherlands for study or work. Performance for all four language skills turned out to decline monotonically after an age of arrival of about 25 years, similar to developmental trajectories observed in earlier aging research on additional language learning and in aging research on cognitive abilities. Also, linguistic dissimilarity increased age-related decline across all four language skills, but speaking in particular. We measured linguistic dissimilarity between first languages (L1s = 50) and Dutch (Ln) for morphology, vocabulary, and phonology. Our conclusion is that the L1 language background influences the effects of age-related decline in adult language learning, and that the constraints involved reflect both biological (language learning ability) and experience-based (acquired L1 proficiency) cognitive resources.

The present study assessed how the adaptation to American culture by United States (U.S.)-born and foreign-born Hispanics living in the U.S. may influence stress-related physiological aspects that may impair health. Data on 8,360 Hispanics living in the U.S. categorized as U.S.-born (n = 3347) and foreign-born (n = 5013) from NHANES 1999–2010 (ages 18–85) were used. Stress-related physiological impact was measured by the allostatic load index (ALoad). Adaptation to American culture was evaluated through three acculturation-related measures. The average age was 39.39 years in a sample where 51% were males. ALoad was classified as no load (15.41%), low load (55.33%), and high load (29.24%). The U.S.-born Hispanics showed higher ALoad compared to foreign-born Hispanics ( p  < 0.001). Among foreign-born Hispanics, length of residence (LOR) and age of arrival in the U.S. (AOA) were associated with higher ALoad scores ( p  < 0.05), and in U.S.-born Hispanics, age and sex were positively associated and education was negatively associated with ALoad scores ( p  < 0.05). Adaptation to American culture in foreign-born Hispanics living in the U.S. appears to influence levels of ALoad in this population.

Recently, scholars have begun to explore the hypothesis that individual differences in domain-general auditory perception, which has been identified as an anchor of L1 acquisition, could explain some variance in postpubertal L2 learners’ segmental and suprasegmental learning in immersive settings. The current study set out to examine the generalizability of the topic to the acquisition of higher-level linguistic production skills—that is the appropriate use of diverse, rich, and abstract vocabulary. The speech of 100 Polish-English bilinguals was elicited using an interview task, submitted to corpus-/rater-based linguistic analyses, and linked to their ability to discriminate sounds based on individual acoustic dimensions (pitch, duration, and amplitude). According to the results, those who attained more advanced L2 lexical proficiency demonstrated not only more relevant experience (extensive immersion and earlier age of arrival), but also more precise auditory perception ability.

This study investigated the referring expressions used for first mentions of participants and entities in narratives by Mandarin heritage language (HL) and monolingual children. Referring expressions for first mentions in Mandarin comprise lexical, morphological and syntactic devices. Results showed that HL children used less adequate referring expressions for first mentions than the monolinguals, mainly due to overgeneralization of classifiers and lack of vocabulary knowledge. However, HL children did not differ from monolinguals in their use of relative clauses and post-verbal NP placement to mark first mentions. These results suggest that incomplete acquisition of the HL may vary across different linguistic subdomains (Montrul, 2008); specifically, domains requiring a great deal of input to acquire, such as vocabulary and the large repertoire of classifier morphemes, might be more vulnerable in HL speakers than syntax. Mixed modeling analyses revealed that older age of arrival, higher maternal education levels and a rich and diverse Mandarin environment at home predicted stronger narrative outcomes, also pointing to an important role for input in HL acquisition.

Using event-related potentials (ERPs), we investigated the impact of a range of individual difference measures related to L2 learning on proficient L1 Spanish – L2 English bilinguals’ brain responses during L2 morphosyntactic processing. Although grand mean ERP analyses revealed a biphasic N400–P600 response to English subject–verb agreement violations, subsequent analyses showed that participants’ brain responses varied along a continuum between N400- and P600-dominance. To investigate this pattern, we introduce two novel ERP measures that independently quantify relative brain response type and overall magnitude. Multivariate analyses revealed that larger overall brain responses were associated with higher L2 proficiency, while relative brain response type (N400 or P600) was predicted by a coalition of variables, most notably learners’ motivation and age of arrival in an L2 environment. Our findings show that aspects of a learner's background can differentially impact a learner's overall sensitivity to L2 morphosyntax and qualitative use of linguistic cues during processing.