Cross Sectional And Longitudinal Studies
In a cross sectional study you collect data from a population at a specific point in time.
Cross sectional and longitudinal studies. Longitudinal study is conducted with the same sample over the years. In paper 2 clinical it is important that you make the methods relate to clinical examples. The main difference between longitudinal and cross sectional study is that longitudinal studies look at variables repeatedly over a period of time while cross sectional studies look at variables at a particular point in time.
Here are the list of 21 major differences between cross sectional study and longitudinal study. November 18 2019 sandesh adhikari epidemiology 0 although cross sectional study and longitudinal study are both observational studies there are multiple differences in their scope methods advantages and limitations. Cross sectional study is conducted with different samples.
On the contrary a cross sectional study is a research where the researcher analyses a particular context group of people or else a social phenomenon through a sample. A longitudinal study requires a researcher to revisit participants of the study at proper intervals. Cross sectional and longitudinal studies.
Both the cross sectional and the longitudinal studies are observational studies. A longitudinal study is a research study in which the research continues for a longer period and uses the same sample at each phase. A cross sectional study is conducted at a given point in time.
In our study we would simply measure the cholesterol levels of daily walkers and non walkers along with any other characteristics that might be of interest to us. You need to think carefully about why these methods are particularly useful when doing research in clinical psychology. In a longitudinal study you repeatedly collect data from the same sample over an extended period of time.
A cross sectional study the not so distant cousin to longitudinal is intended to compare multiple population groups at a single point in time. Both longitudinal studies and cross sectional studies are two types of observational studies. Before we get into this let s remind ourselves of what is meant by cross sectional studies.