Visiting Marriages and Remote Parenting: Changing Strategies of Rural–Urban Migrants to Hanoi,Vietnam

Despite the ongoing centrality of marriage and reproduction in Vietnam, family and spousal separation is an increasing reality for many poor rural–urban migrants. We offer a social relational analysis of reproduction to explore how migrant men and women in their peak child-bearing and child-rearing years negotiate conjugal strategies and expectations. Labour migration for these poor men and women involves high costs for family relations, social identities and emotional experiences which are strongly patterned by gender. This social relational analysis of reproduction deepens analyses of changing marriage relations and studies of internal labour migration.     

Do Survey Spot-Check and Threat Improve Data Quality? Evidence from a Field Experiment

In this study, we examine the effect of interview observation on data quality of a large-scale individual survey in Vietnam. External spot-check teams were sent to randomly selected enumeration areas to attend and observe survey training courses and field interviews of interviewers. We find that interviewers have a lower number of item non-responses in collected data when being observed by the spot-check teams. The effect of a spot-check of field interviews appears to be higher than the effect of a spot-check of training courses. However, we do not find a significant effect of a spot-check threat: informing interviewers of a possible spot-check without actually visiting does not reduce item non-responses.     

The Relationship Between Use of Specific Services,Parental Problems,and Reunification With Children Placed in Foster Care

Research studies have found that for parents with children in foster care, use of problem-targeted services increases the likelihood of reunification. However, available research focuses almost entirely on substance abusing mothers, and rarely considers parents' use of parenting classes and counseling, services that are commonly ordered for most reunifying parents. This study examined the effects of parents' use of specific services on reunification. Findings suggest that in addition to parents' use of problem-targeted services, use or compliance with parenting classes and counseling services is also heavily weighted in reunification decision-making. Further research is needed to identify factors associated with service use and advance our understanding of the effectiveness of reunification services.     

Law and Precariousness in an Authoritarian State: The Case of Illegal House Construction in Vietnam

While sociolegal research in authoritarian regimes has examined the cultural and regulatory factors accounting for why and how people bypass, manipulate, or resist the law, little attention has been paid to an important double-edged effect of law in legitimating and sanctioning subversive or illegal behavior. Through an examination of illegal house construction in peri-urban Vietnam, this study fills this gap by drawing attention to the relationship between law and precariousness. Precariousness influences individuals’ perceptions of and behavior toward the law; at the same time, however, law creates and reinforces precariousness, a condition of vulnerability and uncertainty subject to the local state's discretion and compassion.     

STR melting curve analysis as a genetic screening tool for crime scene samples

In this proof-of-concept study, high-resolution melt curve (HRMC) analysis was investigated as a postquantification screening tool to discriminate human CSF1PO and THO1 genotypes amplified with mini-STR primers in the presence of SYBR Green or LCGreen Plus dyes. A total of 12 CSF1PO and 11 HUMTHO1 genotypes were analyzed on the LightScanner HR96 and LS-32 systems and were correctly differentiated based upon their respective melt profiles. Short STR amplicon melt curves were affected by repeat number, and single-source and mixed DNA samples were additionally differentiated by the formation of heteroduplexes. Melting curves were shown to be unique and reproducible from DNA quantities ranging from 20 to 0.4 ng and distinguished identical from nonidentical genotypes from DNA derived from different biological fluids and compromised samples. Thus, a method is described which can assess both the quantity and the possible probative value of samples without full genotyping.     

Practical applications of genotypic surveys for forensic STR testing

Legitimate genotype frequency estimation for multiallelic loci relies on component allele frequencies, as population surveys represent only a fraction of possible DNA profiles. Multilocus genotypes from two ethnic human populations, African American (n=195) and U.S. Caucasian (n=200), were compiled at 13 STR loci that are used worldwide in forensic investigation (D3S1358, vWA, FGA, D16S539, TH01, TPOX, CSF1PO, D8S1179, D21S11, D18S51, D5S818, D13S317, and D7S820). Sex-specific AmpFlSTR multiplexes provided stringent PCR-based STR typing specifically optimized for multicolor fluorescence detection. Heterozygosity at each STR locus ranged from 0.57 to 0.89 and encompassed from seven (TH01) to twenty-one (D21S11) alleles. Homozygosity tests, tests based on the distinct numbers of observed homozygous and heterozygous classes, log likelihood ratio tests, and exact tests assessed that the degree of divergence from theoretical Hardy-Weinberg proportions for all 13 STRs does not have practical consequence in genotype frequency estimation. Departures from linkage equilibrium, between loci, that imposed significance to forensic calculations were not indicated by observed variance of the number of heterozygous loci or Karlin interclass correlation tests. For forensic casework, reliable multilocus profile estimates may be obtained from the product of component genotype frequencies, each calculated through application of the Hardy-Weinberg equation to population database allele frequency estimates reported here. The average probability that two randomly selected, unrelated individuals possess an identical thirteen-locus DNA profile was one in 1.8x10(15) African Americans and one in 3.8x10(14) U.S. Caucasians.     

African American Adolescents' Perceptions of Family Interactions: Kinship Support,Parent–Child Relationships,and Teen Adjustment

This study examined perceived kinship support and parenting practices for 158 African American adolescents in the 9th and 10th grades. Kinship support showed direct associations with teen outcomes that, for work orientation and school orientation, were partially mediated by parenting practices. With a few exceptions, kinship support was positively associated with youth adjustment for teens from single-parent and 2-parent homes, teens with college educated and less educated parents, and for girls and boys. Both kinship support and maternal warmth predicted self-reliance, work orientation, and school orientation. Kinship support was the primary predictor of ethnic identity.