longitudinal studies vs cross sectional
A longitudinal study and a cross-sectional study are methods of collecting scientific data.A longitudinal study is the method that gathers data on a subject for a particular period of time and the subject's response to particular variables.A cross-sectional study is where more than one subject is used for the collection of data at different points in time in response to particular variables.These types of studies are sometimes used to determine correlation. longitudinal study and a cross-sectional study are methods of collecting scientific data.
A longitudinal survey is a correlational research study that involves repeated observations of the same variables over long periods of time â often many decades.It is a type of observational study.Longitudinal studies are often used in psychology to study developmental trends across the life span, and in sociology to study life events throughout lifetimes or generations.ohort studies sample a cohort, defined as a group experiencing some event (typically birth) in a selected time period, and studying them at intervals through time. Panel studies sample a cross-section, and survey it at (usually regular) intervals. A retrospective study is a longitudinal study that looks back in time.