Un groupe témoin est constitué de participants similaires au groupe traité, mais sans intervention.
Groupes témoinsMéthodes de recherche
#2
Quel est le rôle d'un groupe témoin ?
Il permet d'évaluer l'effet d'un traitement en comparant les résultats avec ceux du groupe traité.
Groupes témoinsÉvaluation des traitements
#3
Comment choisir un groupe témoin ?
Le choix doit se baser sur des critères d'inclusion similaires à ceux du groupe traité.
Groupes témoinsCritères d'inclusion
#4
Les groupes témoins sont-ils toujours nécessaires ?
Oui, ils sont essentiels pour établir des comparaisons valides dans les études cliniques.
Groupes témoinsEssais cliniques
Symptômes
2
#1
Les groupes témoins montrent-ils des symptômes ?
Non, ils ne reçoivent pas de traitement, donc ils ne présentent pas de symptômes liés au traitement.
Groupes témoinsSymptômes
#2
Comment les symptômes sont-ils évalués ?
Les symptômes sont évalués par des questionnaires ou des examens cliniques dans les deux groupes.
Évaluation des symptômesGroupes témoins
Prévention
2
#1
Les groupes témoins aident-ils à la prévention ?
Oui, ils permettent d'évaluer l'efficacité des interventions préventives par comparaison.
PréventionGroupes témoins
#2
Comment les groupes témoins influencent-ils la prévention ?
Ils fournissent des données sur l'impact des mesures préventives en comparaison avec l'absence d'intervention.
Mesures préventivesGroupes témoins
Traitements
2
#1
Quel type de traitement est comparé ?
Le traitement expérimental est comparé à un placebo ou à un traitement standard dans le groupe témoin.
Traitements expérimentauxGroupes témoins
#2
Comment les résultats sont-ils mesurés ?
Les résultats sont mesurés par des critères prédéfinis, comme l'amélioration des symptômes.
Mesure des résultatsGroupes témoins
Complications
2
#1
Les complications sont-elles observées dans les groupes témoins ?
Les complications peuvent être observées, mais elles ne sont pas dues au traitement expérimental.
ComplicationsGroupes témoins
#2
Comment les complications sont-elles analysées ?
Elles sont analysées en comparant leur fréquence entre le groupe témoin et le groupe traité.
Analyse des complicationsGroupes témoins
Facteurs de risque
2
#1
Les groupes témoins aident-ils à identifier des facteurs de risque ?
Oui, ils permettent de comparer les facteurs de risque entre les groupes traité et témoin.
Facteurs de risqueGroupes témoins
#2
Comment les facteurs de risque sont-ils évalués ?
Ils sont évalués par des questionnaires et des analyses statistiques dans les deux groupes.
Évaluation des facteurs de risqueGroupes témoins
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Groupes témoins : Questions médicales les plus fréquentes",
"headline": "Groupes témoins : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Groupes témoins : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-07-25",
"dateModified": "2025-04-21",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Groupes témoins"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Méthodes",
"url": "https://questionsmedicales.fr/mesh/D008722",
"about": {
"@type": "MedicalCondition",
"name": "Méthodes",
"code": {
"@type": "MedicalCode",
"code": "D008722",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "E05.581"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Groupes témoins",
"alternateName": "Control Groups",
"code": {
"@type": "MedicalCode",
"code": "D035061",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Thomas Steger-Hartmann",
"url": "https://questionsmedicales.fr/author/Thomas%20Steger-Hartmann",
"affiliation": {
"@type": "Organization",
"name": "Bayer Research & Development, Pharmaceuticals, Investigative Toxicology, Berlin, Germany."
}
},
{
"@type": "Person",
"name": "Tania Rivera-Hernandez",
"url": "https://questionsmedicales.fr/author/Tania%20Rivera-Hernandez",
"affiliation": {
"@type": "Organization",
"name": "School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia."
}
},
{
"@type": "Person",
"name": "Mark J Walker",
"url": "https://questionsmedicales.fr/author/Mark%20J%20Walker",
"affiliation": {
"@type": "Organization",
"name": "School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia."
}
},
{
"@type": "Person",
"name": "Mark R Davies",
"url": "https://questionsmedicales.fr/author/Mark%20R%20Davies",
"affiliation": {
"@type": "Organization",
"name": "Department of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia."
}
},
{
"@type": "Person",
"name": "Alexander Gurjanov",
"url": "https://questionsmedicales.fr/author/Alexander%20Gurjanov",
"affiliation": {
"@type": "Organization",
"name": "Bayer Research & Development, Pharmaceuticals, Investigative Toxicology, Berlin, Germany. Electronic address: alexander.gurjanov@bayer.com."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "The temperature of internet: Internet use and depression of the elderly in China.",
"datePublished": "2022-12-21",
"url": "https://questionsmedicales.fr/article/36620285",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3389/fpubh.2022.1076007"
}
},
{
"@type": "ScholarlyArticle",
"name": "Internet use, users, and cognition: on the cognitive relationships between Internet-based technology and Internet users.",
"datePublished": "2023-03-27",
"url": "https://questionsmedicales.fr/article/36973829",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s40359-023-01041-5"
}
},
{
"@type": "ScholarlyArticle",
"name": "Internet use and depressive symptoms among Chinese older adults: Two sides of internet use.",
"datePublished": "2023-03-09",
"url": "https://questionsmedicales.fr/article/36969621",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3389/fpubh.2023.1149872"
}
},
{
"@type": "ScholarlyArticle",
"name": "Internet use and internet-based addictive behaviours during coronavirus pandemic.",
"datePublished": "2022-07-18",
"url": "https://questionsmedicales.fr/article/35855504",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1097/YCO.0000000000000804"
}
},
{
"@type": "ScholarlyArticle",
"name": "Internet Use and Autism Spectrum Disorders.",
"datePublished": "2023-01-30",
"url": "https://questionsmedicales.fr/article/36710297",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1007/s10803-023-05904-z"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Techniques d'investigation",
"item": "https://questionsmedicales.fr/mesh/D008919"
},
{
"@type": "ListItem",
"position": 3,
"name": "Méthodes",
"item": "https://questionsmedicales.fr/mesh/D008722"
},
{
"@type": "ListItem",
"position": 4,
"name": "Groupes témoins",
"item": "https://questionsmedicales.fr/mesh/D035061"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Groupes témoins - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Groupes témoins",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-15",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Groupes témoins",
"description": "Comment identifier un groupe témoin ?\nQuel est le rôle d'un groupe témoin ?\nComment choisir un groupe témoin ?\nLes groupes témoins sont-ils toujours nécessaires ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Groupes témoins",
"description": "Les groupes témoins montrent-ils des symptômes ?\nComment les symptômes sont-ils évalués ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Groupes témoins",
"description": "Les groupes témoins aident-ils à la prévention ?\nComment les groupes témoins influencent-ils la prévention ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Groupes témoins",
"description": "Quel type de traitement est comparé ?\nComment les résultats sont-ils mesurés ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Groupes témoins",
"description": "Les complications sont-elles observées dans les groupes témoins ?\nComment les complications sont-elles analysées ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Groupes témoins",
"description": "Les groupes témoins aident-ils à identifier des facteurs de risque ?\nComment les facteurs de risque sont-ils évalués ?",
"url": "https://questionsmedicales.fr/mesh/D035061?mesh_terms=Internet+Use#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment identifier un groupe témoin ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un groupe témoin est constitué de participants similaires au groupe traité, mais sans intervention."
}
},
{
"@type": "Question",
"name": "Quel est le rôle d'un groupe témoin ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il permet d'évaluer l'effet d'un traitement en comparant les résultats avec ceux du groupe traité."
}
},
{
"@type": "Question",
"name": "Comment choisir un groupe témoin ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le choix doit se baser sur des critères d'inclusion similaires à ceux du groupe traité."
}
},
{
"@type": "Question",
"name": "Les groupes témoins sont-ils toujours nécessaires ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils sont essentiels pour établir des comparaisons valides dans les études cliniques."
}
},
{
"@type": "Question",
"name": "Les groupes témoins montrent-ils des symptômes ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, ils ne reçoivent pas de traitement, donc ils ne présentent pas de symptômes liés au traitement."
}
},
{
"@type": "Question",
"name": "Comment les symptômes sont-ils évalués ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes sont évalués par des questionnaires ou des examens cliniques dans les deux groupes."
}
},
{
"@type": "Question",
"name": "Les groupes témoins aident-ils à la prévention ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils permettent d'évaluer l'efficacité des interventions préventives par comparaison."
}
},
{
"@type": "Question",
"name": "Comment les groupes témoins influencent-ils la prévention ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils fournissent des données sur l'impact des mesures préventives en comparaison avec l'absence d'intervention."
}
},
{
"@type": "Question",
"name": "Quel type de traitement est comparé ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement expérimental est comparé à un placebo ou à un traitement standard dans le groupe témoin."
}
},
{
"@type": "Question",
"name": "Comment les résultats sont-ils mesurés ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les résultats sont mesurés par des critères prédéfinis, comme l'amélioration des symptômes."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles observées dans les groupes témoins ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent être observées, mais elles ne sont pas dues au traitement expérimental."
}
},
{
"@type": "Question",
"name": "Comment les complications sont-elles analysées ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont analysées en comparant leur fréquence entre le groupe témoin et le groupe traité."
}
},
{
"@type": "Question",
"name": "Les groupes témoins aident-ils à identifier des facteurs de risque ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils permettent de comparer les facteurs de risque entre les groupes traité et témoin."
}
},
{
"@type": "Question",
"name": "Comment les facteurs de risque sont-ils évalués ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils sont évalués par des questionnaires et des analyses statistiques dans les deux groupes."
}
}
]
}
]
}
School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia.
School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia.
Department of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Depression has become one of the most prevalent mental illnesses affecting the elderly in aging countries, i. e., in countries of the world whose population is slowly aging. It has become an important...
The data used in the present study were gathered from the China Health and Retirement Longitudinal Study that was conducted in 2018. The propensity score matching technique and the endogenous switch r...
The results of the present study show that the elderly who are relatively young, male, well educated, live in an urban area, or have a small family are more likely to use the internet. The elderly who...
The results of the present study highlight the significant welfare effects brought about by the development of internet infrastructure. To improve the mental health of the elderly, the government shou...
This study aims to investigate growing Internet use in relation to memory and cognition. Though literature reveals human capability to utilize the Internet as a transactive memory source, the formatio...
This study comprises two experimental memory task survey phases utilizing null hypothesis and standard error tests to assess significance of results....
When information is expected to be saved and accessible, recall rates are lower, regardless of explicit instructions to remember (Phase 1, N = 20). Phase 2 suggests the importance of order of attempte...
This study yields several theoretical advances in memory research. The notion of information being saved online and accessible in the future negatively affects semantic memory. Phase 2 reveals an adap...
To explore the relationship between internet use which includes time spent on the internet, internet skills, types of online activities, and depressive symptoms in older adults....
We used 2020 China Family Panel Studies (CFPS) data with 3,171 older adults aged 60 years. Depression symptoms were measured with the Center for Epidemiologic Studies Depression (CES-D), and internet ...
Longer time spent on the internet was associated with higher scores of depressive symptoms (β = 0.14). Higher internet skills were associated with lower scores of depressive symptoms (β = -0.42). Watc...
The effect of internet use on depressive symptoms in older adults is a double-edged sword. Controlling the time spent on the internet, improving internet skills, and guiding specific a type of online ...
The COVID-19 outbreak profoundly influenced human lives on different levels. This narrative review aims to present recent data relating to the COVID-19 pandemic and internet use and internet-based add...
During the COVID-19 pandemic, the prevalence of Internet use and Internet-based addictive behaviours increased in all age groups. The COVID-19 pandemic and related containment measures were been assoc...
Longitudinal researches focused on the negative impacts of Internet use in prolonged stress situations on mental health, vulnerable groups, and quality of life (QoL) are needed to help clinicians and ...
Problematic Internet Use (PIU) has become a worldwide problem in recent years. Among screening instruments for PIU, the Compulsive Internet Use Scale (CIUS) is perhaps the most widely used. Psychometr...
The sample consisted of 1790 participants, 816 male (45.6%), 961 female (53.7%), and 13 other (0.7%) . Mean age was 15.70 years (SD = 1.26)....
The five-items one-dimensional model displayed appropriate goodness-of-fit indices. Strong measurement invariance model across age and partial across gender was found. Furthermore, the CIUS-S was posi...
Overall, the CIUS-S scores appear reliable and valid in its Spanish version for adolescent populations, supporting its aim to detect and prevent a problem that has become a major worldwide issue in th...
WHAT IS KNOWN ON THE SUBJECT?: Problematic internet use (PIU) negatively affects adolescents' lives biopsychosocially. There is limited qualitative research examining the problem of PIU in adolescents...
INTRODUCTION: Studies on problematic internet use (PIU) are mostly on the non-clinical population. Understanding the experiences of adolescents with PIU is critical in shaping nursing interventions an...
A comprehensive description of the experiences of adolescents with PIU....
In the study, descriptive phenomenology design, one of the qualitative research methods, was used. Data were collected using a personal information form and a semi-structured interview form and analys...
As a result of the content analysis, five main themes were identified: reasons of PIU, internet-related perceptions, experiences in accessing the internet, experiences in not being able to access the ...
Different from previous studies, adolescents stated that they use the internet because of their lack of activity and their need to spend time with their friends. They stated that when they could not a...
Using data from the 2018 Chinese General Social Survey (CGSS), this study investigates the impact of internet use on residents' happiness. Empirical results show that internet use significantly enhanc...
Internet use (IU) commonly refers to sedentary lifestyle and may be addictive, especially among children. The aim of this study was to investigate the relationship between IU and some aspects of child...
We conducted a cross-sectional survey by using a screen-time based sedentary behavior questionnaire and Strengths and Difficulties Questionnaire (SDQ)-among 836 primary school children in the Braničev...
The average age of respondents was 13.4 (SD 1.2) years. The mean duration of daily Internet use and sedentary behavior was 236 (SD 156) and 422 (SD 184) minutes, respectively. There was no significant...
In our study, children's Internet use was associated with obesity, psychological disturbances and social maladjustment....
