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Mark band 2
Clear and detailed evaluation of a range of methods/sources of information used to
collect information about crime, with clear evidence of reasoning, detailed and relevant
reference to specific sources - need to refer to official police statistics and self report
surveys.
primary data
*Information collected first hand by researchers themselves for their own research
purposes.
Methods include:
-Participant observation.
-Social surveys.
-experiments.
*Researchers may be unable to collect date due to limitation such as time, money and
accessibility.
Secondary data
Information not collected by researchers themselves for their own research purposes
but by other people or organisations for non-sociological purposes. Data collected from
one sociologists research can also become secondary data when used by other
sociologists.
*The two main sources are:
-Official statistics - census, health, crime stats.
-Documents - diaries, letters, historical documents.
-We can also gain secondary data from the mass media through newspapers,
magazines, the internet, TV.
Sociologists use secondary data
*Cheap.
*Quick.
*Provided information on a group they are not able to gain access to.
*They may be studying historical data and participants may be deceased or no longer
accessible.
*It may be unsafe for them to collect the data themselves.
*The researcher may not have the ability to collect the data.
Quantitative data
Information in a numerical form. Examples including official statistics on how many knife
crimes occur in a year or the percentage of cases that end in convictions.
qualitative data
In contrast this gives a feel for what something is like. For example what it feels like to
be a victim of knife crime, why people choose to commit crimes. Evidence gathered can
provide rich descriptions of people's feelings and experiences.
Reliability and validity