SOWK3018 Social Research Flashcards
‘Empirical’ Definition
Based on observation
‘Systematic’ Definition
Follow Behaviours and Rules
‘Theory-driven’ Definition
Testing a theory
‘Provisional’ Definition
Can be altered with new evidence
‘objective’ Definition
Free from bias
Ex-post facto hypothesizing
The practice of forming hypotheses or conclusions after the fact in order to explain away unexpected findings and stop there
Central Limit Theorem
States that with a large enough sample, the sample mean will be normally distributed.
A normally distributed sample mean is necessary to apply the t-test
Control Group
Test subjects randomly assigned to not receive the experimental treatment.
Control Variable
- aka constant variable
- Any variable that does not change during an experiment
Dependent Variable
- aka Dependent Measure or Responding Variable
- responds to the independent variable
- is the one being measured in the experiment
Double-Blind
Workers / Participants don’t know the identities within the interview, whether they are in control group or variable group
Experimental Group
Test subjects randomly assigned to receive the experimental treatment.
Extraneous Variable
- Extra variables that may influence an experiment but are not accounted for or measured or are beyond control.
- e.g. factors that you consider unimportant
Hypothesis
a statement that
- predicts something that ought to be observed in the real world if a theory is correct
- how changes in one thing are expected to explain changes in something else
Independent Variable
- manipulated or changed by the researcher.
- explains or causes something else