نتایج جستجو برای: ratio dating

تعداد نتایج: 516686  

Journal: :Journal of adolescence 2011
Binta Alleyne Victoria H Coleman-Cowger Laurel Crown Maya A Gibbons Linda Nicole Vines

This study examines the relationship between dating violence, forced sexual intercourse (FSI), and four measures of sexual risk taking (i.e., age at first sex, number of recent (within the last three months) sex partners, alcohol/drug use at last sex, and condom use at last sex) among a sample of 1124 ethnically diverse sexually active adolescents in Illinois. Given conflicting reports regardin...

2018
Matthew Edwards Guillermo Suarez-Tangil Claudia Peersman Gianluca Stringhini Awais Rashid Monica Whitty

This paper presents an analysis of online dating fraud’s geography. Working with real romance scammer dating profiles collected from both proxied and direct connections, we analyse geographic patterns in the targeting and distinct characteristics of dating fraud from different countries, revealing several strong markers indicative of particular national origins having distinctive approaches to ...

Journal: :Journal of adolescence 2012
Marguerite Kelly Melanie J Zimmer-Gembeck Marie-Aude Boislard-P

The most common dating goals of adolescents are identity, intimacy, status and sex. In this study of Australian youth (16-30 years, N = 208), dating goals were expected to explain goal-consistent behavior in each domain. Also, goals coupled with consistent behavior were expected to be associated with greater satisfaction in each domain. Age, gender, same-sex versus other-sex attraction, and coh...

Journal: :Journal of adolescence 2008
Andrew P Smiler

Little is known about adolescent boys' motives for dating, although stereotypical portrayals highlight a desire for sexual behavior. This issue was examined from a normative perspective that connected dating motives to intercourse motives, masculinity, and dating and sexual behaviors. Data from 105 racially and economically diverse 10th-grade boys were analyzed. Results indicated that the most ...

2017
D. A. Smirnov N. Marwan S. F. M. Breitenbach J. Kurths

We consider the problem of estimating causal influences between observed processes from time series possibly corrupted by errors in the time variable (dating errors) which are typical in palaeoclimatology, planetary science and astrophysics. “Causality ratio” based on the WienerGranger causality is proposed and studied for a paradigmatic class of model systems to reveal conditions under which i...

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...

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