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collecting primary data - Coggle Diagram
collecting primary data
questionnaire surveys
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predefined responses in survey
- short phrases, single word arranged in series
- mcq questions
- actual value recorded (eg. asked how many times visit park)
advantages :
- guide for participants, easier
- easy analysis and interpretation
- useful for patterns & trends
using rating scales in survey
- have a set of predefined response
- wide range of responses
- likert scales - range of responses with two extreme opposing positions
- frequency scales - range based on number of occurrences
- ranking scales - comparing items, less than 10 for reliable data
sampling
process of selecting a portion of a population being studied, to make generalisations about population
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sampling methods
probability sampling
- random selection
- random number generator / dice
- removes bias
- creates representative sample
simple random sampling
- member of population given number
- random number generator to generate numbers for selection
stratified random sampling
- selection that has proportionate makeup to population based on categories (eg. age)
- probability sampling (use random sampling)
- quota sampling (don't use random sampling)
non-probability sampling
- decided selection
- subjectively selected samples
- biased
- hard to make generalisations
convenience sampling
- selected samples because of convenience (friends walking down streets)
mental maps
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free-form mental maps are more representative of participants' perceptions of places compared to those with a base map; but they are not easily georeferenced and mapped into Geographical Information Systems
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