Results 31 to 40 of about 214,446 (208)

Future Efforts in Flynn Effect Research: Balancing Reductionism with Holism

Journal of Intelligence, 2014
After nearly thirty years of concerted effort by many investigators, the cause or causes of the secular gains in IQ test scores, known as the Flynn effect, remain elusive. In this target article, I offer six suggestions as to how we might proceed in our
Michael A. Mingroni
doaj   +1 more source

ACRIM-gap and total solar irradiance revisited: Is there a secular trend between 1986 and 1996?

, 2009
A gap in the total solar irradiance (TSI) measurements between ACRIM-1 and ACRIM-2 led to the ongoing debate on the presence or not of a secular trend between the minima preceding cycles 22 (in 1986) and 23 (1996).
Chapman, Dewitte, Fröhlich, Krivova, Krivova, Krivova, Lee, Lockwood, N. A. Krivova, S. K. Solanki, Scafetta, Solanki, Solanki, Solanki, T. Wenzler, Unruh, Wenzler, Wenzler, Wenzler, Wenzler, Willson   +20 more
core   +1 more source

Secular Trends in Menarcheal Age in India-Evidence from the Indian Human Development Survey [PDF]

, 2014
Background: Evidence from a number of countries in Europe and North America point towards the secular declining trend in menarcheal age with considerable spatial variations over the past two centuries.
Pathak, Praveen Kumar, Subramanian, S. V., Tripathi, Niharika   +2 more
core   +3 more sources

Trajectories in Body Height, Body Weight, BMI, and Nutrition Status From 1979 to 1987: A Measurement-Based Analysis of 15,717 Male Adolescents From the Capital City of Montenegro

Frontiers in Public Health, 2020
Introduction and Objective: This study aimed to consolidate body height and body weight, as well as the body mass index and nutrition status data of the entire male population of adolescents from Podgorica, the capital of Montenegro, in order to estimate
Stevo Popovic, Stevo Popovic, Bojan Masanovic, Bojan Masanovic, Srdja Martinovic, Srdja Martinovic, Dusko Bjelica, Dusko Bjelica, Jovan Gardasevic, Jovan Gardasevic   +9 more
doaj   +1 more source

Secular trend, seasonality and effects of a community-based intervention on neonatal mortality: follow-up of a cluster-randomised trial in Quang Ninh province, Vietnam. [PDF]

, 2018
BACKGROUND: Little is know about whether the effects of community engagement interventions for child survival in low-income and middle-income settings are sustained. Seasonal variation and secular trend may blur the data.
Bergström, Anna, Do, Tran Thanh, Duc, Duong M, Eriksson, Leif, Ewald, Uwe, Hoa, Dinh T Phuong, Huy, Tran Q, Lien, Pham TL, Målqvist, Mats, Nga, Nguyen T, Persson, Lars-Åke, Selling, Katarina Ekholm, Thuy, Nguyen T, Wallin, Lars   +13 more
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Smoking Trends among Thailand’s Youths from 1996-2015: An Age-Period-Cohort Analysis of National Health Surveys

Iranian Journal of Public Health, 2019
Background: This study aimed to investigate secular trends of smoking among Thailand’s youths. Methods: We combined 8 datasets from national representative surveys between 1996 and 2015. Multi-stage cluster sampling was applied in all studies. Overall,
Nirun INTARUT, Rassamee SANGTHONG, Virasakdi CHONGSUVIVATWONG   +2 more
doaj   +1 more source

Trends in body size and prevalence of underweight and overweight in 7–9 year old children from eastern Poland between 2006 and 2021

Anthropological Review, 2023
Malnutrition and the overnutrition of children and adolescents is a severe problem in most countries. Aim of the study: Determination of fifteen-year changes in body height, and BMI in girls and boys living in towns and villages in eastern Polish ...
Agnieszka Wasiluk, Anna Bodasińska, Jerzy Saczuk   +2 more
doaj   +1 more source

Spatial Convergence in Height in East-Central Europe, 1890-1910 [PDF]

, 2007
We examine spatial convergence in biological well-being in the Habsburg Monarchy circa 1890-1910 on the basis of evidence on the physical stature of 21-year-old recruits disaggregated into 15 districts. We find that the shorter was the population in 1890
Brabec, Marek, Komlos, John
core   +2 more sources

Tendência secular da peste no Estado do Ceará, Brasil Secular plague trend in Ceará State, Brazil

Cadernos de Saúde Pública, 2007
Após a sua introdução no Ceará, Brasil, em 1900, a peste focalizou-se em sete complexos ecológicos: Chapada do Araripe e Serras da Ibiapaba, do Baturité, do Machado, das Matas, da Pedra Branca e de Uruburetama. As atividades de vigilância nesses focos no
Antonia Ivoneida Aragão, Ricardo José Soares Pontes, Antônio Carlos Mendonça Seoane, Osmar José do Nascimento, Celso Tavares, Alzira Maria Paiva de Almeida   +5 more
doaj   +1 more source

Random matrix theory and the evolution of business cycle synchronisation 1886-2006 [PDF]

, 2008
The major study by Bordo and Helbing (2003) analyses the business cycle in Western economies 1881-2001. They examine four distinct periods in economic history, and conclude that there is a secular trend towards greater synchronisation for much of the ...
Ormerod, Paul
core   +1 more source