Quantitative Research
This is when the data measuring behaviour is numerical.
Qualitative Research
This method involves extracting from the participants experience i.e. through interviews etc.
The Experimental Method
Use's manipulation and controlled testing to understand causal ...
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Methods -
Psychology OCR
- H167 H567
Quantitative Research - answer This is when
the data measuring behaviour is numerical.
Qualitative Research - answer This method
involves extracting from the participants
experience i.e. through interviews etc.
,The Experimental Method - answer Use's
manipulation and controlled testing to
understand causal processes. Generally, one
or more variables are manipulated to
determine their effect on a dependent
variable.
What's an Independent Variable? - answer
The independent variable is manipulated by
the experimenter in order to determine the
effect it has on the dependent variable
What's an Dependent Variable? - answer The
dependent variable is the aspect that will be
measured.
Advantages of a Lab Experiment - answer •
Can be easily replicated
• Supports theories / provides evidence
• A cause and effect relationship can be
established.
,• It is an original source of knowledge
Disadvantages of a Lab Experiment - answer
• It is artificial
• It is difficult to control all confounding
variables
• Investigator effects and demand
characteristics are involved
• There are ethical issues
Field Experiments - answer These
experiments are carried out in a natural
environment / setting. Ie a school, train, office
etc.
Advantages of a Field Experiment - answer •
Behaviour of participants is often more
natural. Similar to their normal behaviour
• Can be replicated
• High external validity - can relate results to
real life situations.
, Disadvantages of a Field Experiment - answer
• Experimenter may have difficulty controlling
every aspect of the situation
• There are ethical issues. As informed
consent cannot be obtained as they don't
know they are taking part.
Natural Experiments - answer In natural
experiments changes on a variable can be
measured but the IV is not manipulated by
the experimenter and participants have not
been randomly selected / allocated to groups.
Advantages of a Natural Experiment - answer
• Participants behaviour will be more natural
• Data gathered is full and rich
• Can be used whenever other methods are
unethical or impractical
Disadvantages of a Natural Experiment -
answer • Replication is usually not possible
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