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In ecological studies, we consider aggregates of individuals. Aggregates often defined by units e.g. geographic region, school or health care …

Cross sectional studies are conducted at a single point in time or over a short period of time. There is …

A case report is a detailed report by a physician of an unusual disease in a single person. The population …

The research designs may be roughly categorized as ‘Observational’ or ‘Experimental’. The experimental studies are done on variables whose control …

Investigator may collect data by direct interview, mail of questionnaire, review of previously collected data, histories and other similar methods. …

The subject selection is important for planning your research project. You need to think about how you are going to …

‘Hypothesis is a statement containing two or more variables that are measurable or potentially measurable and that specify how the …

Variable is a measurable or quantifiable characteristic of a person, object or phenomenon that can take different values. Variables are …

A goal is general and long term overall desired outcome for a project. It is bigger in impact than an …

Once you have decided upon a research project and you are able to sum up your proposed research in one …