Sample size: how many participants do I need in my research?

Detalhes bibliográficos
Autor(a) principal: Martínez-Mesa,Jeovany
Data de Publicação: 2014
Outros Autores: González-Chica,David Alejandro, Bastos,João Luiz, Bonamigo,Renan Rangel, Duquia,Rodrigo Pereira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Anais brasileiros de dermatologia (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962014000400609
Resumo: The importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research. Examples that help in understanding the basic concepts involved in their calculation are presented. The scenarios covered are based more on the epidemiological reasoning and less on mathematical formulae. Proper calculation of the number of participants in a study diminishes the likelihood of errors, which are often associated with adverse consequences in terms of economic, ethical and health aspects.
id SBD-1_c9a8c6868ad24339b9431b4d30ed9799
oai_identifier_str oai:scielo:S0365-05962014000400609
network_acronym_str SBD-1
network_name_str Anais brasileiros de dermatologia (Online)
repository_id_str
spelling Sample size: how many participants do I need in my research?Cross-sectional studiesDermatologyEpidemiologyPrevalenceRisk factorsSampling studiesThe importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research. Examples that help in understanding the basic concepts involved in their calculation are presented. The scenarios covered are based more on the epidemiological reasoning and less on mathematical formulae. Proper calculation of the number of participants in a study diminishes the likelihood of errors, which are often associated with adverse consequences in terms of economic, ethical and health aspects.Sociedade Brasileira de Dermatologia2014-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962014000400609Anais Brasileiros de Dermatologia v.89 n.4 2014reponame:Anais brasileiros de dermatologia (Online)instname:Sociedade Brasileira de Dermatologia (SBD)instacron:SBD10.1590/abd1806-4841.20143705info:eu-repo/semantics/openAccessMartínez-Mesa,JeovanyGonzález-Chica,David AlejandroBastos,João LuizBonamigo,Renan RangelDuquia,Rodrigo Pereiraeng2014-07-23T00:00:00Zoai:scielo:S0365-05962014000400609Revistahttp://www.anaisdedermatologia.org.br/https://old.scielo.br/oai/scielo-oai.phpabd@sbd.org.br||revista@sbd.org.br1806-48410365-0596opendoar:2014-07-23T00:00Anais brasileiros de dermatologia (Online) - Sociedade Brasileira de Dermatologia (SBD)false
dc.title.none.fl_str_mv Sample size: how many participants do I need in my research?
title Sample size: how many participants do I need in my research?
spellingShingle Sample size: how many participants do I need in my research?
Martínez-Mesa,Jeovany
Cross-sectional studies
Dermatology
Epidemiology
Prevalence
Risk factors
Sampling studies
title_short Sample size: how many participants do I need in my research?
title_full Sample size: how many participants do I need in my research?
title_fullStr Sample size: how many participants do I need in my research?
title_full_unstemmed Sample size: how many participants do I need in my research?
title_sort Sample size: how many participants do I need in my research?
author Martínez-Mesa,Jeovany
author_facet Martínez-Mesa,Jeovany
González-Chica,David Alejandro
Bastos,João Luiz
Bonamigo,Renan Rangel
Duquia,Rodrigo Pereira
author_role author
author2 González-Chica,David Alejandro
Bastos,João Luiz
Bonamigo,Renan Rangel
Duquia,Rodrigo Pereira
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Martínez-Mesa,Jeovany
González-Chica,David Alejandro
Bastos,João Luiz
Bonamigo,Renan Rangel
Duquia,Rodrigo Pereira
dc.subject.por.fl_str_mv Cross-sectional studies
Dermatology
Epidemiology
Prevalence
Risk factors
Sampling studies
topic Cross-sectional studies
Dermatology
Epidemiology
Prevalence
Risk factors
Sampling studies
description The importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research. Examples that help in understanding the basic concepts involved in their calculation are presented. The scenarios covered are based more on the epidemiological reasoning and less on mathematical formulae. Proper calculation of the number of participants in a study diminishes the likelihood of errors, which are often associated with adverse consequences in terms of economic, ethical and health aspects.
publishDate 2014
dc.date.none.fl_str_mv 2014-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962014000400609
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962014000400609
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/abd1806-4841.20143705
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Dermatologia
publisher.none.fl_str_mv Sociedade Brasileira de Dermatologia
dc.source.none.fl_str_mv Anais Brasileiros de Dermatologia v.89 n.4 2014
reponame:Anais brasileiros de dermatologia (Online)
instname:Sociedade Brasileira de Dermatologia (SBD)
instacron:SBD
instname_str Sociedade Brasileira de Dermatologia (SBD)
instacron_str SBD
institution SBD
reponame_str Anais brasileiros de dermatologia (Online)
collection Anais brasileiros de dermatologia (Online)
repository.name.fl_str_mv Anais brasileiros de dermatologia (Online) - Sociedade Brasileira de Dermatologia (SBD)
repository.mail.fl_str_mv abd@sbd.org.br||revista@sbd.org.br
_version_ 1752126419824017408

Registros relacionados