Can environmental influences explain discordance in neuroticism in MZ twin pairs?

*Can environmental influences explain discordance in neuroticism in MZ twin pairs?* - On the environmental origins of neuroticism: a study in MZ twins

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON34572

Enrollment

Registered

2010-12-10

Start date

2011-10-31

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

negative affectivity neuroticism

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - 18 years or older - Monozygotic twins - Being raised in the same family

Exclusion criteria

Exclusion criteria: - Not being a monozygotic twin. - 1 SD (standard deviation) difference in neuroticism scores between both twins of a twin pair. - Not being able to communicate in Dutch. - When one twin of the pair refuses to participate

Design outcomes

Primary

Measure	Time frame
Using a MZ co-twin design we want to predict neuroticism with environmental influences assesses as retrospective data tapping into physical and psychological trauma, life events, turning point experiences, and attachment to parents, friends, or romantic partner*s e.g.	—

Secondary

Measure	Time frame
n.a.	—

Countries

Netherlands

Outcome results