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Dissertation Subject Guide

including systematic reviews, literature reviews and scoping reviews

Quantitative analysis

Quantitative analysis requires numeric information in the form of variables.  A variable is a way of measuring any characteristic that varies or has two or more possible values.  Many characteristics are naturally numeric in nature (such as years of education, age, income); for these numeric variables, the numbers used to measure the characteristic are meaningful in that they measure the amount of that characteristic that is present.  Often researchers are interested in characteristics which are not numeric in nature (such as gender, race, religiosity), but even these variables are assigned numeric values for use in quantitative analysis although these numbers do not measure the amount of the characteristic present.  For example, although the categories of the variable “gender” may be coded as female=1, male=2 this does not imply that males have twice the amount of the characteristic “gender” compared to females.  Variables can thus be divided into numeric variables (in which the numbers have meaning) and categorical variables (which are commonly words or ranges).

Qualitative Analysis