kml and kml3d: R packages to cluster longitudinal data

C Genolini, X Alacoque, M Sentenac… - Journal of statistical …, 2015 - jstatsoft.org
Longitudinal studies are essential tools in medical research. In these studies, variables are
not restricted to single measurements but can be seen as variable-trajectories, either single …

The impact of childhood social skills and self-control training on economic and noneconomic outcomes: Evidence from a randomized experiment using administrative …

Y Algan, E Beasley, S Côté, J Park… - American Economic …, 2022 - aeaweb.org
A childhood intervention to improve the social skills and self-control of at-risk kindergarten
boys in the 1980s had positive impacts over the life course: higher trust and self-control as …

Shyness trajectories across the first four decades predict mental health outcomes

A Tang, RJ Van Lieshout, A Lahat, E Duku… - Journal of abnormal …, 2017 - Springer
Although childhood shyness is presumed to predict mental health problems in adulthood, no
prospective studies have examined these outcomes beyond emerging adulthood. As well …

Genetic and environmental influences on the developmental course of attention-deficit/hyperactivity disorder symptoms from childhood to adolescence

JB Pingault, E Viding, C Galéra, CU Greven… - JAMA …, 2015 - jamanetwork.com
Importance Attention-deficit/hyperactivity disorder (ADHD) is conceptualized as a
neurodevelopmental disorder that is strongly heritable. However, to our knowledge, no study …

Exploring the temporal dimension of forum participation in MOOCs

H Tang, W Xing, B Pei - Distance Education, 2018 - Taylor & Francis
Discussion forums are increasingly central to massive open online courses (MOOCs), and it
is vital for learners to participate in associated forum activities. Active forum participation …

Developmental trajectories of clinically significant attention-deficit/hyperactivity disorder (ADHD) symptoms from grade 3 through 12 in a high-risk sample: Predictors …

TR Sasser, CB Kalvin, KL Bierman - Journal of abnormal …, 2016 - psycnet.apa.org
Developmental trajectories of clinically significant attention-deficit/hyperactivity (ADHD)
symptoms were explored in a sample of 413 children identified as high risk because of …

Childhood externalizing, internalizing and comorbid problems: distinguishing young adults who think about suicide from those who attempt suicide

M Commisso, C Temcheff, M Orri, M Poirier… - Psychological …, 2023 - cambridge.org
BackgroundWhile childhood externalizing, internalizing and comorbid problems have been
associated with suicidal risk, little is known about their specific associations with suicidal …

Association between childhood behaviors and adult employment earnings in Canada

F Vergunst, RE Tremblay, D Nagin, Y Algan… - JAMA …, 2019 - jamanetwork.com
Importance Specifying the association between childhood behaviors and adult earnings can
inform the development of screening tools and preventive interventions to enhance social …

[HTML][HTML] Link of outdoor exposure in daycare with attentional control and academic achievement in adolescence: Examining cognitive and social pathways

VS Ulset, AIH Borge, F Vitaro, M Brendgen… - Journal of …, 2023 - Elsevier
Contact with nature during early childhood has many benefits, both in the short and the long
term. However, explanatory mechanisms remain understudied. This study examined the …

Time really matters: Understanding the temporal dimension of online learning using educational data mining

H Tang, W Xing, B Pei - Journal of Educational Computing …, 2019 - journals.sagepub.com
Learning and participation are inseparable in online environments. To improve online
learning, much effort has been devoted to encouraging online participation. However …