This type of study identifies an outcome researchers want to know more about (for example alzheimer's) and follows people who have developed this outcome. these people are then compared to controls (those without the outcome of interest) to see if there were differences in exposure. what is it?

Quantitative Type of Research. The researcher collects and converts data into numerical form so that the statistical calculations can be made and conclusions are drawn. Researches will have more than one hypotheses. These are the questions which include predictions about the relationships between the things they study about (variables).

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.