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revision - Coggle Diagram
revision
work plans
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purpose
it provides a timescale for the overall project to be completed and helps you map out all of the different aspects of it
sources
primary - information that you collect yourself, e.g. tallies, measurements and photograph. e.g. questionnaires
secondary - information that someone else has previously collected and made available, e.g. on the internet
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Qualitative - data is more opinion based, and descriptive
compression
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advantages
smaller means they take up less hardware space, saving memory, cost and access speed
smaller is faster to upload, download and share online
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