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15 Cards in this Set
- Front
- Back
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Experimental group |
Might vary the quantity of nutrients that they received, carefully measuring and recording any changes in the plants’ size that we observe |
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Control group |
Would keep the quantity of nutrients constant, also measuring and recording any changes in the size of the plants |
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Reliability |
Once an experiment has been conducted, other scientists can then replicate it |
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Practical problems |
It would be impossible to identify, let alone control, all the possible variables that might exert an influence on |
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Lack of informed consent |
The researchers needs the informed consent of the research participants, but this may be difficult to obtain from children or people with learning difficulties |
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Deception |
It is considered wrong to mislead people as to the nature of the experiment |
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Harm |
Experiments may also harm participants. In Milgram’s study the participants were observed to ‘sweat,tremble, groan and stutter’ |
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Hawthorne Effect |
A laboratory is not a normal or natural environment. It is thus likely that may behaviour in these conditions is also unnatural or artificial. |
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Hawthorne Effect |
If people do not behave in true-to-life ways, the experiment will not produce valid results |
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Hawthorne Effect |
If people know that they are being studied, they will behave differently. This is not as social desirability bias |
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Free will |
Interpretivist sociologists argue that humans are fundamentally different from plants, rivals and other phenomena studied by natural scientists. We have free will, consciousness and choice |
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Field experiments |
It takes place in the subject’s natural surroundings rather than in an artificial laboratory environment |
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Field experiments |
Those involved are generally not aware that they are the subjects of an experiment |
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Field experiments - Evaluation |
The more realistic we make the situation, the less control we have over the variables that might be operating |
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Durkheim’s study of suicide |
His hypothesis was that low levels of integration of individuals into social groups caused high rates of suicide |
