Types of experiments Flashcards
1
Q
what are laboratory experiments
A
- experiment that takes place in a controlled environment
- researcher manipulates IV and records DV
2
Q
what are the strengths of laboratory experiments
A
- high control over extraneous and confounding variables
- can be sure effect on the DV is due to IV
- high internal validity
- high reliability
3
Q
what are the limitations of laboratory experiments
A
- lack generalisability
- low external validity
- demand characteristics
- lack mundane realism - tasks not accurate to real life
4
Q
what are field experiments
A
- experiment that takes place in a natural setting
- researcher manipulates IV and records the effect of the DV
5
Q
what are the strengths of field experiments
A
- high mundane realism - represent real life
- produce more valid and authentic behaviour
- may not know they are being studied - high external validity
6
Q
what are the limitations of field experiments
A
- loss of control of extraneous and confounding variables
- cause and effect between IV and DV harder to establish
- ethical issues
7
Q
what are natural experiments
A
- experiment where the change in the IV isn’t brought upon by the researcher
- change wouldn’t be there if the researcher wasn’t
8
Q
what are the strengths of natural experiments
A
- research that doesn’t happen elsewhere
- Romanian orphan studies
- high external validity - study real world events
9
Q
what are the limitations of natural experiments
A
- less sure if the IV affects the DV
- sometimes rare cases
10
Q
what are quasi experiments
A
- IV hasn’t been determined by anyone
11
Q
what are the strengths of quasi experiments
A
- carried out under controlled conditions
12
Q
what are the limitations of quasi experiments
A
- confounding variables
