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Quantitative data
data in the form of numbers and statistics.Provides us with trends and percentages.
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Qualitative data
Data in the form of written analysis and description. This gives us a valid picture of what is really happening.
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Validity
data is valid if it produces a true or genuine picture of what something is really like
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Reliability
data is reliable when different researchers can use this method and get the same results.
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Ethical issues
protection from harm, maintain confidentiality and informed consent
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Practical issues
time and money,funding bodies,personal skills and characters,subject matter,reseach opportunities
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covert method
dont tell the group they are being studied. This is usually critisised as theres a lack of consent and honesty.
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Labatory experiment
A controlled test carried out in controlled conditions to establish a cause and effect relationship. The method favoured by scientists for discovering laws e.g. what makes plants grow.
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control group
you keep the quantity constant, measurments must be taken to record changes
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experiment group
vary the quantity. Carefully measuring and recording changes we observe
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independent variable
the causal effect
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dependent variable
the effect
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field experiment
exeperiments carried out outside a lab in real life environments such as schools.
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Hawthorne effect
If participants are told they are in the experiment they may change their behaviour to meet the observers expectations
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surveys
research projects which collect standardised data about large numbers of people
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hypothesis
an explanation that can be tested by collecting evidence to prove it is true or false
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operationalisation
the process of converting a concept e.g. social class into something that can be measured
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pilot study
a small scale study completed before research to identify problems
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Other cards in this set

Card 2

Front

Qualitative data

Back

Data in the form of written analysis and description. This gives us a valid picture of what is really happening.

Card 3

Front

Validity

Back

Preview of the front of card 3

Card 4

Front

Reliability

Back

Preview of the front of card 4

Card 5

Front

Ethical issues

Back

Preview of the front of card 5
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