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Research methods - Coggle Diagram
Research methods
Design
Research design in psychology is the specific approach used to scientifically collect, analyse and then interpret data.
Experimental design refers to how participants are allocated to the different groups in an experiment. Types of design include repeated measures, independent groups, and matched pairs designs.
Probably the commonest way to design an experiment in psychology is to divide the participants into two groups, the experimental group, and the control group, and then introduce a change to the experimental group and not the control group.
Independent Measures
This should be done by random allocation, which ensures that each participant has an equal chance of being assigned to one group or the other.
Repeated Measures
Repeated Measures design is an experimental design where the same participants take part in each condition of the independent variable. This means that each condition of the experiment includes the same group of participants.
Matched Pairs
A matched pairs design is an experimental design where pairs of participants are matched in terms of key variables, such as age or socioeconomic status. One member of each pair is then placed into the experimental group and the other member into the control group.
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Features of science
Features of science: objectivity and the empirical method; repeatability and falsifiability; theory construction and hypothesis testing; paradigms and paradigm shifts.
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Reporting psychological investigations. Sections of a scientific report: abstract, introduction, method, results, discussion and referencing.