data collection methods

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