نتایج جستجو برای: geomorphologic dating

تعداد نتایج: 15700  

2014
Peng Xia Kun Tu Bruno F. Ribeiro Hua Jiang Xiaodong Wang Cindy X. Chen Benyuan Liu Donald F. Towsley

Online dating sites have become popular platforms for people to look for romantic partners, providing an unprecedented level of access to potential dates that is otherwise not available through traditional means. Characterization of the user online dating behavior helps us to obtain a deep understanding of their dating preference and make better recommendations on potential dates. In this paper...

2001
Monica A. Longmore Wendy D. Manning Peggy C. Giordano

3 In this paper we examine the effects of preadolescent parenting strategies on timing of adolescents' dating and sexual initiation. Using data from the two waves of the National Survey of Families and Households (1987-88 and 1992-94) involving interviews with parents as well as adolescents four years later, we estimate the effects of preadolescent parental support, coercive control, and monito...

2012
William J. Pestle Michael Colvard

Bone collagen is a well-characterized and generally robust protein that plays a key role in both radiometric dating and stable isotopic reconstruction of paleodiet. To be useful for such purposes, however, analyzed collagen must be relatively taphonomically unaltered. To date, little research has been conducted to document the taphonomic fate of bone collagen from archaeological sites in the tr...

2016
Jamie R Wood Michael J B Herrera R Paul Scofield Janet M Wilmshurst

Human settlers transported chickens (Gallus gallus domesticus) to most East Polynesian archipelagos between AD 1000 and 1300; however, it has long been assumed that New Zealand was an exception. Despite the fact that chicken bones have been recovered from localities of early archaeological middens in New Zealand, their age and genetic relationships have never been critically assessed. Here, we ...

2000

In cellular communications there are two primary communication links between the cell’s central basestation and the users, the uplink (or reverse link) and the downlink (or forward link). The former refers to the flow of information from the users to the basestation, and is a problem which has been and is still today the subject of much debate. The downlink, however, receives less attention, si...

Journal: :Journal of youth and adolescence 2013
Wendy E Ellis Janet Chung-Hall Tara M Dumas

Past research has shown that adolescent peer groups make a significant contribution to shaping behavior but less is known about the role of peer groups in adolescent dating relationships. This longitudinal study examined the contribution of aggressive peer group norms on relationship quality and dating violence among dating adolescents. At the beginning of the school year (T1) and 6 months late...

Journal: :Psychological trauma : theory, research, practice and policy 2016
Michelle Seulki Lee Stephanie Begun Anne P DePrince Ann T Chu

OBJECTIVE Little is known about the factors that contribute to adolescents' perceptions of the acceptability of dating violence, particularly among girls who have witnessed intimate partner violence (IPV). Drawing on relevant theory, the current study tests a path model linking frequency of witnessing IPV in childhood, sexist beliefs, and automatic relationship-to-harm associations to acceptabi...

Journal: :African journal of reproductive health 2014
Isaac M Boafo Emmanuel A Dagbanu Kwaku Oppong Asante

In South Africa, dating violence is known to be widespread among adolescents, and is therefore a major public health issue because of its association with sexual risk behaviours. The objective of the study was to examine the relationship between dating violence and self-efficacy for delayed sex among school-going adolescents in Cape Town, South Africa. The study is based on analyses of data fro...

2015
Martin Winter Sebastian Goebl Nina Hubig Christopher Pleines Christian Böhm

Social networks play an important role in Web 2.0. For many users establishing contacts and staying in touch in the virtual world is more than just a spare time filler. In social networks like Facebook they provide much information about themselves in user profiles. Also for online dating the focus is on establishing new contacts. In general, three types of dating sites can be distinguished: mo...

Journal: :Journal of contextual behavioral science 2014
Ryan C Shorey JoAnna Elmquist Heather Zucosky Jeniimarie Febres Hope Brasfield Gregory L Stuart

Dating violence among college students represents a prevalent and serious problem. An abundance of research has examined risk and protective factors for dating violence, although only recently has research begun to focus on risk and protective factors that could be amenable to change in intervention programs. One potential risk factor for dating violence may be experiential avoidance. Using the...

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