Evidence map›Paper›PMID 23435481›Full record

ArticleJournal of abnormal child psychology2014

A twin study of the relationships among inattention, hyperactivity/impulsivity and sluggish cognitive tempo problems.

Sara Moruzzi, Fruhlling Rijsdijk, Marco Battaglia

Abstract readTwin Study
PubMed Publisher
In one paragraph

Article in Journal of abnormal child psychology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Cognitive disengagement syndrome (sluggish cognitive tempo) and medical conditions: a systematic review and call for future research.Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence · 2024
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  16. What cognitive processes are "sluggish" in sluggish cognitive tempo?Journal of consulting and clinical psychology · 2019
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  19. Sluggish cognitive tempo is associated with suicide risk in psychiatrically hospitalized children.Journal of child psychology and psychiatry, and allied disciplines · 2016
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Sara MoruzziThe Academic Centre for the Study of Behavioural Plasticity, Vita-Salute San Raffaele University, 20 via S. D'Ancona, 20127, Milan, Italy, sara.moruzzi@gmail.com.
Fruhlling Rijsdijk
Marco Battaglia

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We investigated the etiological relationships between the three ADHD dimensions of Inattentive Problems (INP), Hyperactivity-Impulsivity Problems (HIP) and Sluggish Cognitive Tempo (SCT) as measured by the CBCL 6-18 questionnaire. Multivariate models were applied to 398 twin pairs (374 boys and 422 girls) aged 8 to 17 years (M = 13.06, SD = 2.59) belonging to the population-based Italian Twin Registry. The INP, HIP and SCT problem scores were moderately-to-substantially (range 0.29-0.47) intercorrelated. The best fitting model showed that these 3 dimensions are correlated both at the genetic (correlations' range: 0.65-0.83) and the environmental (correlations: 0.29 and 0.44) levels, but they are also distinct. While SCT showed moderate heritability and large non-shared environmental influences, variance for both INP and HIP was substantially explained by genetic influences. We also found evidence of negative sibling interaction for INP, implying that a given behavior in one twin leads to an opposite behavior in the co-twin. Our results support at the etiological level the findings of previous psychometric and longitudinal studies of ADHD, which yielded evidence of the 3 distinct-albeit correlated-problem dimensions of inattentiveness, hyperactivity-impulsivity, and sluggish cognitive tempo.

Indexed as

Interpersonal RelationsAdolescentAttention Deficit Disorder with HyperactivityChildCognition DisordersFemaleGene-Environment InteractionHumansImpulsive BehaviorItalyMaleMultivariate AnalysisSibling Relations

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.