Longitudinal Studies

            NON- EXPIERMENTAL METHODS…

LONGITUDINAL STUDIES…

These studies follow one set of participants over a long period of time, using research methods such as experiments, surveys and observations. A test or observation is repeated at intervals over the length of the study. Important aspects of a longitudinal study are that the participants stay the same, measurements are taken over time and that comparisons are made.

STRENGHTS…

·         Validity is high as regular checks on the participants over a long period of time means that the data is very in-depth.

·         Using…