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?
The Other Social Sciences. Not all universities approach sociology the same way, and the new science evolved differently depending on where it was taught and who was teaching it. The two major types of sociology that emerged were qualitative sociology and quantitative sociology. Today, most universities use both qualitative and quantitative methods of inquiry, and one method is not necessarily better than the other.