Sociology-theory and methods-quantitative research methods Flashcards
What are the three types of issues in sociological research?
PET issues: practical, ethical and theoretical
What are the practical issues?
Time, money, requirements of funding bodies, personal skills and characteristics of researchers, subject matter of the study, and the research opportunity
What are the ethical issues?
Informed consent, confidentiality and privacy, harmful effects, vulnerable groups, and covert methods
What are the theoretical issues?
Reliability, validity and representativeness (also methodological perspective)
What are the two methodological perspectives?
Positivism and interpretivism
What are interpretivists?
Those who take an interpretivist perspective prefer research methods that produce qualitative data-that is, information that gives us a ‘feel’ for what something is like. These methods include unstructured interviews, participant observation and the analysis of personal documents
What are positivists?
Sociologists who adopt a positivist perspective prefer research methods that produce quantitative data-that is, information in numerical or statistical form
What do positivists believe about sociology?
They believe that sociology can and should model its research methods on those of the natural sciences such as physics and chemistry. In their view, this will produce objective, true, scientific knowledge of society
How do positivists see society?
As an objective reality made up of social facts that exist ‘out there’, just like the physical world that natural scientists study. Like physical reality, social reality is not random; rather, it follows patterns that can be observed and measured. For example, there are clear social patterns of educational achievement and underachievement
In the view of positivists, why do patterns in society exist?
These patterns exist because society exerts an influence over its members, systematically shaping their behaviour in various ways. Positivists believe that through careful observation and measurement, they can discover laws of cause and effect that explain these social patterns, just as physicists and chemists have discovered laws that determine the patterns we find in nature, such as the law of gravity
How do sociologists uncover and explain the patterns of behaviour and their causes?
Positivists use quantitative data. For example, quantitative data on exam results may show class differences in achievement. By correlating this with other quantitative data on class differences in income, we may be able to show that low income is a cause of underachievement
What are the quantitative research methods?
Laboratory experiments, field experiments (+ the comparative method), questionnaires, structured interviews, official statistics
When are laboratory experiments used?
In many of the natural sciences they are the main means by which scientists gather data, test theories and discover scientific laws of cause and effect. Similarly, positivist sociologists, who model their approach to research on the logic and methods of the natural sciences, may also occasionally use lab experiments. However, sociologists often also use two other kinds of experiment in their research: field experiments and the comparative method
What are the key features of laboratory experiments?
Control, and cause and effect
Why is control a key feature of lab experiments?
A lab experiment is a controlled experiment. The lab is an artificial environment in which the scientist can control different variables in order to discover what effect they have. In this way, the scientist can test hypotheses about the cause of a phenomenon, with the aim of discovering a causal law
What happens in a lab experiment?
The researcher first takes a set of subjects. These must be identical in all relevant respects. They are then divided at random into two groups-an experimental group and a control group-these are both treated separately
Why is cause and effect a key feature of lab experiments?
The condition of both groups is measured before the experiment starts and again at the end. If we discover a change in the experimental group but none in the control group, we may conclude that this was caused by the different treatments the two groups received. In other words, by following the logic of the experimental method, we can discover cause-and-effect relationships. This allows us to predict what will happen under the same conditions in the future
How often are lab experiments used?
While laboratory experiments are the basic research method in most natural sciences, they are rarely used in sociology. There are a number of practical, ethical and theoretical reasons for this
What are the practical issues of lab experiments?
Open systems, individuals are complex, studying the past, small samples, the Hawthorne effect, and the expectancy effect
What is the ‘open systems’ practical issue of lab experiments?
Sociologists such as Keat and Urry argue lab experiments are only suitable for studying closed systems where the researcher can control and measure all the relevant variables and make precise predictions, as in physics or chemistry. However, society is an open system where countless factors are at work in any given situation, interacting with each other in complex ways. This makes it impossible for the researcher even to identify, let alone control, all the relevant variables. This makes lab experiments unsuitable for studying social phenomena
What is the ‘individuals are complex’ practical issue of lab experiments?
Individuals are complex and therefore it is not really possible to ‘match’ the members of the control and experimental groups exactly. While we can find identical samples of chemicals, no two human beings are exactly alike
What is the ‘studying the past’ practical issue of lab experiments?
Lab experiments cannot be used to study an event in the past, since we cannot control variables that were acting in the past rather than the present. Nor can we keep people in lab conditions for long time periods so they can be studied
What is the ‘small samples’ practical issue of lab experiments?
Lab experiments can usually only study small samples making it very difficult to investigate large-scale social phenomena. Eg, we cannot study all or even a large sample of the members of a major religion. Small samples also bring the risk that a result that appears to show one variable causing another, may in fact just be a chance correlation between the two
What is the ‘Hawthorne effect’ practical issue of lab experiments?
A lab experiment is an artificial environment and any behaviour that occurs in it may also be artificial, in particular if the subjects know they are being experimented on. This may make them act differently. This is the experimental, or Hawthorne, effect, named after the experiments in 1920s at the Hawthorne factory where it was first observed. This ‘subject reactivity’ will of course ruin the experiment, as it reduces validity