Plastic Pasteur pipettes, also referred to as transfer pipettes, have their stems and bulbs in the form of a single piece made of plastic. There are different sizes. The volumes are usually marked on the stem, though the markings are rather crude and are not particularly accurate.
Research Methods in Sociology â An Introduction. An introduction to research methods in Sociology covering quantitative, qualitative, primary and secondary data and defining the basic types of research method including social surveys, experiments, interviews, participant observation, ethnography and longitudinal studies. Why do social research?
In order to address a research question or set of research questions, researchers must. devise a strategy or, as Bryman suggests, âa general orientation to the conduct of. social researchâ (Bryman 2001: 20). Mixed methods research means adopting a. research strategy employing more than one type of research method.