Sentences with phrase «using twin study»

Past behavior genetics research using twin study survey data has shown genetic influence on a wide range of communication behaviors.

A Kansas State University psychological sciences professor is using twin studies to understand the nature versus nurture debate of the workplace: Do genetic factors or environmental factors influence employee proactivity?

Publishing in Nature Communications, researchers have used twin studies to look at associations between fetal and postnatal metal dysregulation and autism spectrum disorders.

Parent - child feedback predicts sibling contrast: Using twin studies to test theories of parent - offspring interaction in infant behavior

Not exact matches

While we can't use sterile mice to make any definitive conclusions about humans, the twins study, published in the journal Science last year, provided clear evidence that the microbiome is involved in weight gain — something earlier research had only suggested.

And a twin study — using the tools of behavioral genetics — found that genetic factors had a negligible impact on the development of theory of mind skills (Hughes et al 2005).

Using studies of twins who had been separated at birth, yet displayed remarkably similar characteristics of personality despite differences in environment, Harris demonstrated the importance of genetic predisposition as a factor in human development.

However, it should be mentioned that in that same study, the risk of miscarriage for women using IVF who carried twins was just 18 %, which is within the typical range of miscarriage risk for natural conception.

Epidemiologists use twins for a variety of studies to compare inheritance and environmental factors to a multitude of health and behavioural studies.

A pair of longitudinal twin studies, for example, found no significant link between marijuana use and IQ.

Online News Editor David Grimm shares stories on studying marijuana use in teenage twins, building a better maze for psychological experiments, and a close inspection of the bugs in our homes.

A recent study by the University of Delaware's Jessica Warren and colleagues at the University of Oxford and the University of Minnesota, Twin Cities, provides a new data set that scientists can use to understand this problem.

Using a major new data source — merged birth and school records for all children born in Florida from 1992 to 2002 — the researchers studied the relationships between birth weight and cognitive development by following more than 1.3 million children and nearly 15,000 pairs of twins from birth through middle school.

A recent study by a researcher at the Kent State University found that genetics outweighed environment in social media use using twin study survey data.

She has been using the technique to study twin - to - twin transfusion syndrome, a relatively common complication in which the blood supplies of twins sharing the same placenta become connected.

Latvala and his colleagues used data from two ongoing population - based longitudinal studies of Finnish twins, FinnTwin12 (FT12), of twins born 1983 - 1987, and FinnTwin16 (FT16), of twins born 1975 to 1979.

«This study's findings make a significant contribution to the [field] by using a discordant twin design to address issues about the association between childhood verbal ability and subsequent alcohol use in adolescence and young adulthood,» said Windle.

Data came from TwinsUK — the biggest UK adult twin registry of 12,000 twins which is used to study the genetic and environmental causes of age related disease.

The study, which was funded by the Institute on the Environment and published in the Journal of Applied Meteorology and Climatology, used a network of 180 sensors deployed throughout the Twin Cities metropolitan area in residential backyards and city parks to paint the most detailed picture anywhere in the world of how temperature varies with time and place across pavement - filled metropolitan areas and surrounding communities.

The twins study used the species of mosquito that spreads dengue fever.

Issa and other skeptics have questioned the methods used in this oft - cited study and doubt whether the differences detected in the older twins were all that large.

The study simply wasn't aimed at identifying any causes of mass loss — it merely observed these losses using NASA's twin GRACE satellites, which measure mass and gravitational changes at the Earth's surface, and tied them to the resulting polar motion.

But Spector argues that EpiTwin has already made valuable contributions — for example, through a study of 15 twin pairs discordant for breast cancer that pointed toward hypermethylation of the DOK7 gene, which he believes could one day be used as a biomarker to help identify women at risk for breast cancer years in advance.

The hypotheses were then tested empirically in a variety of different study populations, including U.S. military veterans of the Vietnam war, college fraternity and sorority members who had undergone hazing, English Premier League football fans, martial arts practitioners of Brazilian Jiu Jitsu who sometimes use painful belt - whipping, and twins to examine the level of fusion.

For the study, Nordstrom and colleagues used a Swedish register of identical twins to collect data on about 4,000 pairs whose weights differed.

In the twin study, grit scores account for only 2 percent of the variance in achievement scores when used as a single predictor and account for hardly anything at all when Big Five personality scores are entered into the equation.

The new 2.0 is an especially interesting study, as it uses a new twin - scroll turbocharger — similar to BMW's TwinPower turbo engines — to reduce turbo lag and emissions, as well as increase fuel economy.

Read our case study on transaction accounts where twin sisters Genevieve and Caitlin have very different ways of using their transaction accounts.

Twin pairs (N = 1350), aged 8 to 16 years, in the general population - based Virginia Twin Study of Adolescent Behavioral Development were assessed using the Child and Adolescent Psychiatric Assessment interview administered separately to both twins and both parents.

Twin studies of child temperament using objective measures consistently suggest moderate heritability for most dimensions.

Investigating brain connectivity heritability in a twin study using diffusion imaging data.

For example, some have found significant differences between children with divorced and continuously married parents even after controlling for personality traits such as depression and antisocial behavior in parents.59 Others have found higher rates of problems among children with single parents, using statistical methods that adjust for unmeasured variables that, in principle, should include parents» personality traits as well as many genetic influences.60 And a few studies have found that the link between parental divorce and children's problems is similar for adopted and biological children — a finding that can not be explained by genetic transmission.61 Another study, based on a large sample of twins, found that growing up in a single - parent family predicted depression in adulthood even with genetic resemblance controlled statistically.62 Although some degree of selection still may be operating, the weight of the evidence strongly suggests that growing up without two biological parents in the home increases children's risk of a variety of cognitive, emotional, and social problems.

To evaluate the three possible explanations, we used model - fitting procedures applied to parent - rating data averaged across 14, 20, 24, and 36 months of age in a sample of 196 twin pairs participating in the MacArthur Longitudinal Twin Sttwin pairs participating in the MacArthur Longitudinal Twin StTwin Study.

It is important to recognize the power constraints of quantitative genetic studies such as those using twin comparisons.

The results of these studies are monotonously consistent, regardless of the outcome measure used and the kinds of sibling pairs who participate — twins or ordinary siblings, reared together or apart, biologically related or not.

The first two types discussed were based on studies from human twins, whereas the third type was formulated based on research using mice.

And a twin study — using the tools of behavioral genetics — found that genetic factors had a negligible impact on the development of theory of mind skills (Hughes et al 2005).

In the twin study, grit scores account for only 2 percent of the variance in achievement scores when used as a single predictor and account for hardly anything at all when Big Five personality scores are entered into the equation.

Using data from an epidemiological sample of 1,116 5 - year - old twin pairs and their parents, this study found that the less time fathers lived with their children, the more conduct problems their children had, but only if the fathers engaged in low levels of antisocial behavior.

Four twin studies on child - mother attachment security using behavioural genetic modelling have been published to date.

The current study used longitudinal, behavioral genetic data on 519 same - sex twin pairs (48.6 % female) divided into two age cohorts (13 — 15 and 16 — 18 years olds) drawn from the National Longitudinal Study of Adolescent Hestudy used longitudinal, behavioral genetic data on 519 same - sex twin pairs (48.6 % female) divided into two age cohorts (13 — 15 and 16 — 18 years olds) drawn from the National Longitudinal Study of Adolescent HeStudy of Adolescent Health.

One way to examine the likelihood that substance abuse causes neurocognitive deficits is to study twins who differ in their drug use.

This type of natural experiment, combining a longitudinal design with a twin differences design, provides one of the most powerful approaches that can be applied to study how substance use affects brain development, and in turn, how impaired brain development affects subsequent mental health and psychological adjustment in adulthood.

Using a genetically informed design based on 266 monozygotic and dizygotic twin pairs, this study examined whether the expression of genetic risk for aggressive and non-aggressive antisocial behavior varies depending on the peer group's injunctive norms (i.e., the degree of acceptability) of each type of antisocial behavior.

In such a study, the lesser substance using twin becomes the control for the effects of substance abuse seen in the heavier using co-twin.

In a study by Slutske et al. (2001), 7,869 men from 4,497 twin pairs (Vietnam Era Twin Registry) were diagnosed with PG using the DSM - III - R (APA 1987), with whilst using the DIS for antisocial behavior disordtwin pairs (Vietnam Era Twin Registry) were diagnosed with PG using the DSM - III - R (APA 1987), with whilst using the DIS for antisocial behavior disordTwin Registry) were diagnosed with PG using the DSM - III - R (APA 1987), with whilst using the DIS for antisocial behavior disorders.

Using parent ratings to study the etiology of 3 year - old twins» problem behavior: different views of rater bias?

In their study of monozygotic twin pairs in the Add Health sample, the associations of sleep duration with several outcomes including suicidal ideation, delinquency, and drug use were reduced to non-significance when genetic and shared environmental factors were accounted for in the model.

Using a genetically informed design based on twins, this study examined the potential moderating role of classroom anti-bullying policies and teachers» perceived self - efficacy in handling bullying situations in regard to the additive and interactive effects of peer victimization and genetic vulnerability on anxiety symptoms.