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The results showed that the subgroups significantly differed in trait impulsivity but not in impulsive decision-making toward instant gratification. The present study demonstrated the usefulness of cluster analysis for profiling distinct, practically meaningful subgroups of mothers of reproductive age based on their attitudes and risk of alcohol use, which has important implications for developing intervention strategies for problematic alcohol use in this population. (PsycInfo Database Record (c) 2022 APA, all rights reserved).Delta-8-tetrahydrocannabinol (Δ8-THC) has emerged as a new retail cannabinoid product in the U.S. This study queried Δ8-THC users about product use characteristics and self-reported drug effects. Participants were recruited via a large online crowdsourcing platform (Amazon Mechanical Turk). Adults (N = 252) with past year Δ8-THC use (35% with at least weekly use) completed surveys and open-ended questions related to their reasons for using and past experiences with Δ8-THC-containing retail products. Participants with past year use of Δ9-tetrahydrocannabinol (Δ9-THC) and/or cannabidiol (CBD; 81% and 63%) compared the effects of Δ8-THC to those of Δ9-THC and/or CBD by rating drug effects on a visual analog scale from -50 to + 50 where negative scores indicated Δ8-THC effects are weaker, positive scores indicated Δ8-THC effects are stronger, and a score of 0 indicated equal effects to Δ9-THC or CBD. Compared to Δ9-THC, self-reported ratings for "Drug effect," "Bad effect," "Sick," "Anxiety," "Paranoia," "Irritability," "Restlessness," "Memory Problems," and "Trouble Performing Routine Tasks" were lower for Δ8-THC (d = -0.21 to -0.44). Compared to CBD, ratings for Δ8-THC effects were higher for "Drug effect," "Good effect," "High," "Relaxed," "Sleepy," "Hunger/Have the Munchies," "Memory Problems," "Trouble Performing Routine Tasks," and "Paranoia" (d = 0.27-1.02). Qualitative responses indicated that participants used Δ8-THC because it is perceived as (a) legal, (b) a substitute or similar to Δ9-THC, and/or (c) less intense than Δ9-THC. Δ8-THC is an understudied psychoactive component of cannabis that shares more characteristics with Δ9-THC than CBD and should be characterized further with human laboratory studies. (PsycInfo Database Record (c) 2022 APA, all rights reserved).The coronavirus disease 2019 (COVID-19) pandemic has had widespread impacts on mental health and substance use. Increases in cannabis use have been documented in the United States, but little is known about how other substance use has changed among people who use cannabis. We sought to examine changes in alcohol, tobacco, opioid, and stimulant use during COVID-19 and explore how these changes relate to patterns of cannabis use. Data were obtained from a web-based survey of adults in the United States who use cannabis (n = 1,471) administered in September 2020. BI-3231 Using data reported in retrospective (prepandemic) and time-of-survey assessment periods, we explored changes in the prevalence of regular (≥ weekly) alcohol, tobacco, opioid, and stimulant use during COVID-19 among respondents who used medical and nonmedical cannabis. We used modified Poisson regression to examine cannabis-related correlates of increasing or decreasing secondary substance use during the pandemic. There was a slight but significant increase in ≥weekly alcohol use in the medical use group only (41.4%-47.0%, p = .034). ≥ Weekly tobacco, opioid, and stimulant use did not change significantly. Pandemic-concurrent shifts in secondary substance use depended on interacting cannabis-related factors including medical cannabis use, prepandemic cannabis frequency, and pandemic-concurrent frequency changes. For example, ≥ weekly prepandemic cannabis use was significantly and positively associated with decreasing opioid use frequency among the medical cannabis use group only. Assessments of the pandemic's effects on substance use should consider relationships between cannabis and other substances, which may differ according to cannabis-specific behaviors, motives, and contexts of use. (PsycInfo Database Record (c) 2022 APA, all rights reserved).Guided by evolutionary-developmental models, this study tested the hypothesis that children's exposure to parental relationship instability, defined by initiation and dissolution of caregiver intimate relationships, has both costs in cognitive impairments and benefits in enhanced learning skills. Participants included 243 mothers and their preschool children (M age 4.60 years; 56% girls) from diverse racial and ethnic backgrounds (e.g., 46% Black; 19% Latinx). Consistent with hypotheses, higher levels of parental relationship instability during preschool predicted children's poorer performance on explicit, higher-order cognitive functioning tasks (e.g., IQ, working memory) and better performance in detecting reward probabilities in an implicit learning task 2 years later. Results of the piecewise latent growth curve analysis of the implicit learning task revealed that children experiencing greater family instability were able to more rapidly identify the locations of the hidden rewards in the early, rather than later, stages of the games. Additional findings supported the role of children's antagonistic representations of family relationships as an intermediary mechanism. More specifically, parental relationship instability significantly predicted higher levels of children's antagonistic representations of their families 2 years later after controlling for their earlier antagonistic representations and demographic covariates. Children's antagonistic representations, in turn, were concurrently linked with poorer explicit cognitive functioning and better implicit learning abilities when they were in first grade. The findings inform an understanding of cognitive tradeoffs of experiencing parental relationship instability and may have important implications for modifying educational and clinical programs to capitalize on the cognitive strengths of children who experience environmental unpredictability. (PsycInfo Database Record (c) 2022 APA, all rights reserved).In Erikson's model of development, intimacy and isolation denote polar outcomes of psychosocial crisis in young adulthood. Drawing on this model, the present study used three-wave longitudinal data to examine patterns of the success and lack of success in the resolution of Eriksonian crisis in relation to romantic loneliness as a negative outcome of the intimacy crisis, and compared across Poland and the United States. The data were collected from Polish and U.S. individuals aged 18-40 for Wave 1 (N = 763). Four patterns of the Eriksonian intimacy crisis were identified (a) stable partnered status; (b) stable single status; (c) transition from single to partnered status; (d) transition from partnered to single status. In both countries, transition from single to partnered status was related to decreased romantic loneliness. Greater initial romantic loneliness was observed among Polish single adults who transited to partnered status in contrast to stable single adults. In turn, the U.S. partnered adults who transited to single status initially experienced lower romantic loneliness than stable single adults. Bivariate latent growth curve models pairing romantic loneliness with relationship satisfaction revealed that higher initial relationship satisfaction was associated with lower initial romantic loneliness, and a greater increase in relationship satisfaction was associated with smaller increases in romantic loneliness. The findings highlight that different resolutions of the intimacy crisis are related to diverse romantic loneliness and relationship satisfaction trajectories and these associations also appear to differ as a function of various marital and loneliness contexts in Poland and the United States. (PsycInfo Database Record (c) 2022 APA, all rights reserved).Social comparisons with peers are important sources of self-development during adolescence. Many previous studies showed that students' academic self-concepts (ASC) form by contrasting one's own achievement with the average of one's class or school (the Big-Fish-Little-Pond Effect [BFLPE]). Based on social comparison theory, however, we would expect some peers to be more likely social comparison targets than other peers, for example, because they are more visible or students perceive them as similar to themselves. In this study, we used sociometric data to analyze which peers play the most important role for social comparison effects on ASC. We examined how the average achievement of friends, study partners, peers perceived as popular by the student, as well as same-gender and same-ethnic peers affect the general ASC and how these effects compare to the effect of the classroom's average achievement. The study was based on a German longitudinal sample of 2,438 students (44% no recent immigrant background, 19% Turkish immigrant background, 10% Eastern European immigrant background, 27% other immigrant background) from 117 school classes that were followed from grade 9 to 10. Results from longitudinal social network analysis do not confirm substantial incremental effects of specific types of peers, while class average achievement showed a stable negative effect (confirming the BFLPE). In addition, we could provide evidence for social selection effects based on ASC. We conclude that classrooms provide a specific setting that imposes social comparisons with the "generalized peer" rather than with specific subgroups of peers. (PsycInfo Database Record (c) 2022 APA, all rights reserved).Early research that relied on standardized assessments of intelligence reported negative effects of bilingualism for children, but a study by Peal and Lambert (1962) reported better performance by bilingual than monolingual children on verbal and nonverbal intelligence tests. This outcome led to the view that bilingualism was a positive experience. However, subsequent research abandoned intelligence tests as the assessment tool and evaluated performance on cognitive tasks, making the research after Peal and Lambert qualitatively different from that before their landmark study, creating a disconnect between the new and earlier research. These newer cognitive studies showed both positive effects of bilingualism and no differences between language groups. But why were Peal and Lambert's results so different from previous studies that were also based on intelligence tests? The present study analyzed data from verbal and nonverbal intelligence tests that were collected from 6,077 participants across 79 studies in which intelligence tests were administered as background measures to various cognitive tasks. By including adults, the study extends the results across the life span. On standardized verbal tests, monolinguals outperformed bilinguals, but on nonverbal measures of intelligence, there were no differences between language groups. These results, which are different from those reported by Peal and Lambert, are used to reinterpret their findings in terms of the sociolinguistic, political, and cultural context in which the Peal and Lambert study was conducted and the relevance of those factors for all developmental research. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

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