What is cross-sectional research with examples?
For example, a cross-sectional study might be used to determine if exposure to specific risk factors might correlate with particular outcomes. A researcher might collect cross-sectional data on past smoking habits and current diagnoses of lung cancer, for example.
What is the key feature of a cross-sectional study?
A key feature of a cross-sectional study is that: It usually provides information on prevalence rather than incidence. It is limited to health exposures and behaviors rather than health outcomes. It is more useful for descriptive epidemiology than it is for analytic epidemiology.
What is the difference between cross-sectional and longitudinal research?
Longitudinal studies differ from one-off, or cross-sectional, studies. The main difference is that cross-sectional studies interview a fresh sample of people each time they are carried out, whereas longitudinal studies follow the same sample of people over time.
What is the meaning of cross-sectional data?
Cross-sectional data are the result of a data collection, carried out at a single point in time on a statistical unit. With cross-sectional data, we are not interested in the change of data over time, but in the current, valid opinion of the respondents about a question in a survey.
Is cross-sectional research qualitative or quantitative?
quantitative
Most cross-sectional studies are quantitative. They gather data through interviews, questionnaires, and focus groups over a certain period in time which may be in the past or the present, and then analyze the results.
What are the advantages of cross-sectional research?
Advantages of Cross-Sectional Study Not costly to perform and does not require a lot of time. Captures a specific point in time. Contains multiple variables at the time of the data snapshot. The data can be used for various types of research.
What is longitudinal research method?
In a longitudinal study, researchers repeatedly examine the same individuals to detect any changes that might occur over a period of time. Longitudinal studies are a type of correlational research in which researchers observe and collect data on a number of variables without trying to influence those variables.
What are the characteristics of a cross-sectional study?
Characteristics of Cross-Sectional Studies Closely related studies may consider the same variable as the desired interest, however, each study analyzes new data. 3. There is always a starting point and a stopping point in a cross-sectional study. This study analyzes subjects in a single stage.
What is cross-sectional and longitudinal research?
Longitudinal studies and cross-sectional studies are two different types of research design. In a cross-sectional study you collect data from a population at a specific point in time; in a longitudinal study you repeatedly collect data from the same sample over an extended period of time.
What type of study is cross-sectional?
Cross-sectional study design is a type of observational study design. In a cross-sectional study, the investigator measures the outcome and the exposures in the study participants at the same time.