نتایج جستجو برای: geomorphologic dating

تعداد نتایج: 15700  

2013
Aník Gevers Cathy Mathews Pam Cupp Marcia Russell Rachel Jewkes

BACKGROUND In South Africa, it is illegal for adolescents under age 16 years to engage in any sexual behaviour whether kissing, petting, or penetrative sex, regardless of consent. This cross-sectional study investigated the extent to which young adolescents engage in various sexual behaviours and the associations between dating status and sexual behaviours. METHOD Grade 8 adolescents (N = 474...

Journal: :Environmental management 2008
Susan K McIlroy Cliff Montagne Clain A Jones Brian L McGlynn

The potential impacts of land use on large woody debris (LWD) were examined in Sourdough Creek Watershed, a rapidly growing area encompassing Bozeman, Montana, USA. We identified six land classes within a 250 m buffer extending on either side of Sourdough Creek and assessed aquatic habitat and geomorphologic variables within each class. All LWD pieces were counted, and we examined 14 other vari...

Journal: :Journal of women's health 2009
Andra L Teten Barbara Ball Linda Anne Valle Rita Noonan Barri Rosenbluth

Violence experienced by adolescent girls from their dating partners poses considerable threat to their health and well-being. This report provides an overview of the prevalence and consequences of heterosexual teen dating violence and highlights the need for comprehensive prevention approaches to dating violence. We also discuss some considerations and future directions for the study and preven...

2003
James K Feathers

With improvements in methodology and instrumentation, luminescence dating is becoming a much more useful chronometric tool in archaeology. Procedures for dating ceramics are relatively routine and their accuracy has been demonstrated in a number of studies. Research is aimed at applying ceramic dating in situations where other methods lack the direct dating ability of luminescence to resolve ch...

Journal: :Journal of adolescence 2008
Rocío Rivadeneyra Melanie J Lebo

Two hundred and fifteen ninth grade students were surveyed to examine the relationship between television use and gender role attitudes and behavior in dating situations. Findings indicate the existence of a relationship between watching "romantic" television programming and having more traditional gender role attitudes in dating situations. However, watching non-romantic television dramas and ...

Journal: :Journal of research on adolescence : the official journal of the Society for Research on Adolescence 2009
Vangie A Foshee Thad Benefield Chirayath Suchindran Susan T Ennett Karl E Bauman Katherine J Karriker-Jaffe Heathe Luz McNaughton Reyes Jasmine Mathias

This study determined the shape of trajectories from ages 13 to 19 of four types of dating abuse perpetration and examined whether the demographic characteristics of sex, minority status, socioeconomic status, and family structure systematically explained variation in the trajectories. The data are from 5 waves of data collected from 973 adolescents participating in the control group of a rando...

Journal: :Journal of interpersonal violence 2017
Sarah Taylor Carrie A Calkins Yan Xia Rochelle L Dalla

Scholars have identified dating violence as a public health issue among adolescents. Yet, minimal research has detailed adolescents' perceptions of dating violence, specifically gender differences in perceptions. Research suggests that in order for dating violence prevention and intervention to be effective, services need to be delivered in a manner that is understood by adolescents. Therefore,...

1999
Ramesh Bhat

Results from new observations of pulsars using the Ooty Radio Telescope (ORT) are used for investigating the structure of the Local Interstellar Medium (LISM). The observations show anomalous scintillation effects towards several nearby pulsars, and these are modeled in terms of large-scale spatial inhomogeneities in the distribution of plasma density fluctuations in the LISM. A 3-component mod...

2000
S. B. Healy

The ‘statistically optimal’ approach to smoothing bending angles derived from radio occultation (RO) measurements is outlined. This combines a measured bending angle profile with an a priori or background estimate derived from climatology, in order to obtain the most probable bending angle profile. However, the method is only optimal if the error statistics of both the measured and background p...

Journal: :Cyberpsychology & behavior : the impact of the Internet, multimedia and virtual reality on behavior and society 2007
Patti M. Valkenburg Jochen Peter

Although online dating has become an important strategy in finding a romantic partner, academic research into the antecedents of online dating is still scarce. The aim of this study was to investigate (a) the demographic predictors of online dating and (b) the validity of two opposite hypotheses that explain users' tendency to use the Internet for online dating: the social compensation and the ...

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