Primary research can be carried out in a number of different ways, for example surveys, questionnaires, focus groups or observations. A questionnaire is a set of questions to find out customers ...

Numerous examples from clinical research are worked through both manually and using SAS. Methods presented include t-tests, analysis of variance, repeated measures ANOVA, linear regression, analysis ...

Once you complete your research ... to identify its purpose. Methodology is often an important question. For example, if you are looking at tests of an Ebola vaccine beyond human subjects, it will be ...