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measure GC-MS steroid hormones
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3Gas chromatography mass spectrometry (GC-MS) platform targeting steroid hormones.Created March 28, 2023 • Updated April 4, 2023 -
measure Wechsler Intelligence Scale for Children (WISC)
Study: NTR Mode of collection: MeasurementsAndTests Behavioral/cognitive task Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YE_ATTEF2 YE_COG12 YE_COG18The Wechsler Intelligence Scale for Children (WISC) is an IQ test for children of 6-17 years of age to determine general intelligence. It generates a full scale IQ (formerly known as an intelligence quotient or IQ score) that represents a child's general intellectual ability. The most common primary index scores are the Verbal Comprehension Index, the...Created March 28, 2023 • Updated April 4, 2023 -
measure Vaccinations
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_7 YS_10Questions about general vaccinations, e.g., vaccination against mumps, measles and rubellaCreated March 28, 2023 • Updated April 4, 2023 -
measure Bullying Victimization
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF7 YS_TRF10 YS_TRF12Questions about bullying and victimizationCreated March 28, 2023 • Updated April 4, 2023 -
measure GC-MS organic acids
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Gas chromatography mass spectrometry (GC-MS) platform targeting organic acids.Created March 28, 2023 • Updated April 4, 2023 -
measure Work demographics
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_1 YS_3 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YS_DT YE_COG12 YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12Questions about working, hours of working, maternity/paternity leave, and type of professionCreated March 28, 2023 • Updated April 4, 2023 -
measure Saliva sample
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3 YE_ATTEF2 YE_COG12 YE_COG18Saliva was collected using a cotton swab or a collection device, such as a tube or container (passive drool).Created March 28, 2023 • Updated April 4, 2023 -
measure Reading the Mind in the Eyes Test (RMET)
Study: NTR Mode of collection: MeasurementsAndTests Behavioral/cognitive task Available measurements: Young Netherlands Twin Register YC_BS1 YE_COG18The Reading the Mind in the Eyes Test (RMET) assesses the ability to recognize complex mental states as expressed by human eyes. Participants pick one of four options (e.g. puzzled, nervous, insisting or contemplative) which they think best describes what the person in each photograph is thinking or feeling.Created March 28, 2023 • Updated April 4, 2023 -
measure Zygosity (questionnaire)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_DSC YC_ADHMRI YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12The Zygosity questionnaire asks parents of twin pairs about the resemblance between the twins to determine whether the twin pair is mono- or dizygotic. This questionnaire consists of 10 questions: 6 items about physical similarities between the twin and 4 items about confusion in identifying the twins by parents and others.Created March 28, 2023 • Updated April 4, 2023 -
measure Urine osmolality
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3Urinary osmolality as measured with density test (specific gravity) using the Atago refractometer PAL-10S BLT/A+W (Atago, Tokyo, Japan). The refractive index is a ratio of the velocity of light in air to the velocity of light in solution, which is directly proportional to the number of dissolved solids in urine.Created March 28, 2023 • Updated April 4, 2023 -
measure Side jobs and household chores
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_DHBQP YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC YE_ATTEF3 YC_ADHMRI YE_COG12 YS_TRIP4 YS_TRIP7 YS_TRIP10Questions about side jobs (parttime work), volunteer work, household chores, and other main daytime activities.Created March 28, 2023 • Updated April 4, 2023 -
measure School Situation
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_5 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YS_DT YE_COG12 YE_COG18 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12Questions about the school situation including the type of school the children attend, whether twins attemd the same/different school/class, whether the child has ever skipped or repeated grades, and truancy.Created March 28, 2023 • Updated April 4, 2023 -
measure Revised Conners' Teacher Rating Scale Short Form (CTRS-R:S)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF5 YS_TRF7 YS_TRF10 YS_TRF12 YE_ATTEF1The 28-item Short Form of the Revised Conners' Teacher Rating Scale (CTRS-R:s) measures social, emotional, behavioral, and academic problems in children and adolescents ages 8 to 18 with a focus on ADHD and related behaviors. It includes the Oppositional, Cognitive Problems, Hyperactive-Impulsive, and ADHD Index subcales.Created March 28, 2023 • Updated April 4, 2023 -
measure Peptide hormones
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_BS1 YC_BS2 YC_BS3Peptide hormones, for instance Adrenocorticotropic Hormone (ACTH, pituitary hormone), Alpha-Melanocyte-Stimulating Hormone (α-MSH, Melanocortin), Luteinizing Hormone (LH), Cholecytokinin, and Follicle Stimulating Hormone (FSH), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created March 28, 2023 • Updated April 4, 2023 -
measure Child care
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_1 YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YC_BS2 YS_TRIP1_2 YS_TRIP3 YS_TRIP5Questions about pre-school, after-school and out-of school careCreated March 28, 2023 • Updated April 4, 2023 -
measure Social Skills Rating System (SSRS)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_TRF7 YS_TRF10 YS_TRF12The Social Skills Rating System (SSRS) is a broad, multi-rater assessment of social behaviors that assesses teacher-student relations, peer acceptance, and academic performance in pre-school, elementary, and secondary students.Created March 28, 2023 • Updated April 4, 2023 -
measure Strengths and Difficulties Questionnaire (SDQ)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_VALThe Strengths and Difficulties Questionnaire (SDQ) is a brief questionnaire for assessing the psychosocial adjustment of children and adolescents. Versions are available for parents and teachers of 4- to 16-year-olds, and a nearly identical version can be completed independently by 11- to 16-years olds. The SDQ differs from related instruments in that it...Created March 28, 2023 • Updated April 4, 2023 -
measure Tanner Scale
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3 YE_ATTEF2 YE_COG12 YE_COG18The Tanner Scale describes, both pictorially and descriptively, the external changes that occur in the time period between the onset of puberty and the achievement of full maturity for both girls and boys. Characterizations of pubertal status are assessed by breast development in girls, genital development in boys and pubic hair growth in both. The Tanner...Created March 28, 2023 • Updated April 4, 2023 -
measure Liver enzymes
Study: NTR Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3Liver enzymes, for instance Albumin, Jodide, Aspartaat Aminotransferase (ASAT), and Alanine Transaminase (ALAT), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created March 28, 2023 • Updated April 4, 2023 -
measure Autism-Tics, ADHD, and other Comorbidities inventory (A-TAC)
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_VALThe Autism–Tics, AD/HD and other Comorbidities inventory (A-TAC) is a broad-band screening instrument that encompasses autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), tic disorders (TD), developmental coordination disorder (DCD), and learning disorder (LD). Furthermore, the A-TAC also covers possible overlapping childhood...Created March 28, 2023 • Updated April 4, 2023