Results 71 to 80 of about 14,166 (239)

Lithic analysis in African archaeology: Advances and key themes

Archaeometry, EarlyView.
Abstract Stone artifacts (lithics) preserve for extended periods; thus they are key evidence for probing the evolution of human technological behaviors. Africa boasts the oldest record of stone artifacts, spanning 3.3 Ma, rare instances of ethnographic stone tool‐making, and stone tool archives from diverse ecological settings, making it an anchor for ...
Deborah I. Olszewski, Amanuel Beyin, Justin Pargeter   +2 more
wiley   +1 more source

IMPLICACIONES DEL USO DE BUSCADORES EN EL COMPORTAMIENTO DE COMPRA ONLINE [PDF]

Investigaciones Europeas de Dirección y Economía de la Empresa, 2009
El objetivo del presente trabajo es analizar los factores que influyen en el uso de buscadores y su incidencia en el comportamiento de compra en Internet.
Ruiz Mafé, C., Sanz Blas, S.
doaj  

Investigating relationships among strontium, barium, and seasonality in wild baboons

Archaeometry, EarlyView.
Abstract Geochemical profiles of Australopithecus africanus and baboon teeth show fluctuating trace elements, possibly reflecting seasonal diets. Here we use laser ablation–inductively coupled plasma–mass spectrometric measurements of calcium‐normalized strontium and barium ratios (Sr/Ca and Ba/Ca) and ion microprobe analyses of oxygen isotopes (δ18O ...
Maya Bharatiya, Christine Austin, Manish Arora, Janaína N. Ávila, Esme K. Beamish, Wendy Dirks, Daniel R. Green, Nicole D. Leonard, W. Scott McGraw, Larissa Swedell, Ian S. Williams, Jian‐xin Zhao, Tanya M. Smith   +12 more
wiley   +1 more source

Factores personales, autoeficacia en comunicación sexual y uso del condón en adolescentes

Horizonte Sanitario
Objetivo: Identificar la relación entre la autoeficacia en comunicación sexual y la consistencia del uso del condón en adolescentes de 12 a 19 años sexualmente activos.
Lorena Yuliana Vera Alanís, María Aracely Márquez Vega, Alicia Raquel Benavides Torres, Rosalva Del Carmen Barbosa Martínez   +3 more
doaj   +1 more source

Factores incidentes en el uso de métodos anticonceptivos en la población adolescente y adulta joven en Costa Rica

Población y Salud en Mesoamérica, 2016
Objetivo: analizar los factores que inciden en el uso de métodos anticonceptivos de la población adolescente y adulta joven de Costa Rica (entre 15 y 35 años de edad).
Carmen Sánchez-Retana, Rolando Leiva-Granados   +1 more
doaj   +1 more source

When and why to give shorebirds a head start

Conservation Biology, EarlyView.
Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson, Alex Nicol‐Harper, Rebecca Lee, Nigel S. Jarrett, Geoff M. Hilton   +4 more
wiley   +1 more source

Usos de internet y factores asociados en adolescentes de la Comunidad de Madrid

Atención Primaria, 2010
ResumenObjetivoDeterminar el tipo de uso de internet que hacen los adolescentes escolarizados e identificar factores relacionados con la salud asociados al uso alto.DiseñoDescriptivo, transversal, mediante encuesta autoadministrada.EmplazamientoCentros de enseñanza secundaria y bachillerato de la Comunidad Autónoma de Madrid (zona rural y urbana ...
Sánchez-Martínez, Mercedes, Otero Puime, Ángel   +1 more
openaire   +1 more source

Constructed value of information with iterative scoring and parametric uncertainty to identify management‐relevant research priorities for a declining raptor species

Conservation Biology, EarlyView.
Abstract Constructed value of information (CVoI) is an expert elicitation decision‐analytic tool used to prioritize sources of uncertainty based on their potential to improve decision outcomes if resolved. Despite increased application of CVoI, the robustness of CVoI prioritization of sources of uncertainty relative to differences in expert elicitation
Kristin P. Davis, Mitchell J. Eaton, Emily R. Bjerre, Hillary M. White, Clint W. Boal, Jennifer H. Herner‐Thogmartin, Orin J. Robinson, Abigail J. Lawson   +7 more
wiley   +1 more source

Factores de riesgo de mortalidad asociados al tratamiento médico inicial en pacientes con ventilación mecánica

Medimay, 2021
Introducción: La identificación de los factores de riesgo es esencial para disminuir la mortalidad. Objetivos: Identificar los factores de riesgo de mortalidad, al tratamiento médico inicial en pacientes con ventilación mecánica invasiva.
Anabel Hernández Ruiz, Rebeca Iracema Delgado Fernández, Carlos Omar Mitjans Fuentes   +2 more
doaj  

Drivers of bat researchers’ intent to adopt field hygiene practices

Conservation Biology, EarlyView.
Abstract Infectious disease is a growing threat to wildlife, with zoonotic transmission most likely at the human–wildlife interface. One underappreciated activity at this interface is fieldwork with wild animals, but associated risks can be mitigated through field hygiene (FH) practices, such as using personal protective equipment and other appropriate
Joanna L. Coleman, Ewan A. Macdonald, Abigail L. Rutrough, Tanja M. Straka, Todd D. Little, Zachary Stickley, Tigga Kingston   +6 more
wiley   +1 more source