Studied by 0 people
what are the types of data sampling methods?
random - chose at randomly (random number generator)
systematic - choose at order or in intervals (every 5m)
stratified - diving sampling into groups (3 sites to visit)
what is quantitative data?
comes in numbers
what is qualitive data?
doesn’t come in numeric form
what are types of qualitive data?
questionnaires
sketches or photo
maps
what are the positives of a questionnaire?
cost saving
easy to conduct
gather a variety of opinions
what are the negatives of a questionnaire?
time consuming
hard to represent
biased
what are the negatives of a field sketch/photo?
subjective - opinion of representation
what are the positives of a bipolar survey?
easy to use
easy to condense
what are the negatives of a bipolar survey?
dependent on peak times
opinion based
people might find it difficult to condense their feelings into number
what are the positives of a pedestrian count?
easy to analyse
can asses busy areas
what are the negatives of a pedestrian count?
dependent on peak times
if busy it can be hard to count everyone
what are the positives of a land use survey?
more relevant than map
easy to collect data
what are the negatives of a land use survey?
might be hard to add detail
can be hard to assess
Note 
Flashcard (137)