Changing Research Methods in Environmental Epidemiology

on the status of mixed methods research in applied linguistics

چکیده ندارد.

Research Methods in Epidemiology.

Epidemiology is the study of the distribution and determinants of health-related states and in specified populations and the application to control health problems. Classified as either descriptive or analytical, a variety of epidemiologic approaches can be used to allow assessment of hypothesized risk factor exposure with disease outcomes. This article reviews salient aspects of epidemiologic ...

Environmental epidemiology: An introduction

Changing Epidemiology of Esophageal Can-cer in Fars Province, Iran

Background: Esophageal carcinoma is one of the most lethal gastrointestinal (GI) malignant tumors worldwide.  The disease is known to have a high incidence in northern Iran; however, its condition in the South is not much clear. Objective: In this retrospective study we investigated the epidemiology and time trends of esophageal carcinoma in Fars Province, South of Iran. Methods: In a retrospec...

Research Methods in Healthcare Epidemiology: Survey and Qualitative Research.

Surveys are one of the most frequently employed study designs in healthcare epidemiology research. Generally easier to undertake and less costly than many other study designs, surveys can be invaluable to gain insights into opinions and practices in large samples and may be descriptive and/or be used to test associations. In this context, qualitative research methods may complement this study d...