There are different kinds of research. Longitudinal research is known as the type of research suffers from the problem of overfamiliarity.
A longitudinal study is known as a type of research that is often used to discover relationships between variables that are not related to the different background variables.
It is an observational research technique involves studying the same group of individuals over a time period.
Conclusively, there are three major types of longitudinal studies. They are:
- Panel study
- Cohort study
- Retrospective study
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<span>Numbers of vehicles on road increases tremendously. </span>
Answer:
Cpaitalism-Most of the product is privately owned and the
free market is based on supply and demand.
Socialism-Is a controlled market by the state or Government has no free market but has welfare befits.