Types of Research Methods according to Research Design On the basis of research design the types of research methods can be divided into two groups – exploratory and conclusive. Exploratory studies only aim to explore the research area and they do not attempt to offer final and conclusive answers to research questions. Feb 24, 2015 · Both are nominal and each has two values. Both are nominal and each has more than two values. Both are continuous, but each has been artificially broken down into two nominal values. Both are continuous and are used to detect curvilinear relationships. Del Siegle, Ph.D. Types of correlation, positive, negative, no correlation, perfect, strong and weak correlation, regression lines, graphs and examples.

Correlational designs are helpful in identifying the relation of one variable to another, and seeing the frequency of co-occurrence in two natural groups (See correlation and dependence). The second type is comparative research. These designs compare two or more groups on one or more variable, such as the effect of gender on grades. Jun 10, 2015 · Descriptive vs Correlational Research Although both descriptive and correlational research are variations of research that are widely used, there exist certain differences between these two types.