Cross Section Survey
However in a repeated cross sectional survey respondents to the survey at one point in time are not intentionally sampled again although a respondent to one administration of the survey could be randomly.
Cross section survey. This study type is also known as cross sectional analysis transverse study or prevalence study. Revised on june 5 2020. For example us government agencies periodically send out large surveys to random samples of the us population asking about health status and risk factors and.
Although cross sectional research does not involve conducting experiments researchers often use it to understand outcomes in the physical and social sciences and many business industries. Definition a cross sectional study is defined as a type of observational research that analyzes data of variables collected at one given point in time across asamplepopulation or a pre defined subset. A cross sectional study is a type of research design in which you collect data from many different individuals at a single point in time.
Cross sectional studies are observational in nature and are known as descriptive research not causal or relational meaning that you can t use them to determine the cause of something such as a disease. A cross sectional survey collects data to make inferences about a population of interest universe at one point in time. In a cross sectional survey a specific group is looked at to see if an activity say alcohol consumption is related to the health effect being investigated say cirrhosis of the liver.
Researchers in economics psychology medicine epidemiology and the other social sciences all make use of cross sectional studies in their work. Cross sectional surveys may be repeated periodically. Cross sectional surveys have been described as snapshots of the populations about which they gather data.
Cross sectional surveys assess the prevalence of disease and the prevalence of risk factors at the same point in time and provide a snapshot of diseases and risk factors simultaneously in a defined population.