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?
As notes they are schematic, but quite detailed and very well arranged. Most topics of various phases of there research process are covered: variables and hypotheses, measurement, types of experimental design, sampling, surveys, ethics, statistics, questionnaires, and tests of significance. Social research methods. A free teach yourself tutorial teaching internet skills for those working with social statistics. Ideal for independent learning or for use by teachers and lecturers in their courses. It takes around an hour to do and has quizzes and interactive exercises to lighten the learning experience.