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secondary sources
pre-existing information gathered by others e.g. government statistics on births, marriages, deaths, as well as letters, emails, and diaries
hard statistics
simple counts that register events such as births and deaths, not easily manipulated
soft statistics
more easily manipulated e.g. crime statistics
advantages
Availability – already in existence, cheap, quick readily available, published regularly
Representativeness – often based on large samples, highly representative
Coverage – cover important aspects of social life (e.g. education, crime)
Prompts to research – can reveal new patterns needing further investigation
Background data – provide useful context about research groups
Comparability – easy to draw comparisons and identify trends
Reliability – consistent categories and collection methods allow for replication
disadvantages
Definitions and measurement – may differ for sociologist’ definitions
Reliability - recording errors and inaccuracies can occur
Social construction – seen as social constructs, not objective truths
Political bias – may reflect ruling class interests and ideology
Male bias – may be biased against women e.g. excluding unpaid housework
evaluation
Positivists view them as ‘social facts’
Interpretivists see them as social constructs
Hard statistics are more accurate, while soft statistics are less reliable and valid