Data Collection Flashcards
Survey
Method used for observing data that cannot easily be observed. Sample of the population.
Cross-Sectional Survey
At a single point in time
Longitudinal Survey
Over a period of time
Written Survey
Good for broad audience, less than 20% response rate.
Group Survey
Specific target population, small sample size, quick response rate.
Drop-Off Survey
Smaller sample size, lower response rate, expensive.
Oral Survey
1) Phone - good for yes/no questions and follow up. 2) In-person.
Online Survey
Inexpensive, quick response time.
Sample
Part of a population.
Probability Sample
Used for direct correlation between a sample and the larger population - can draw direct conclusions from this type.
Random
(Probability) Everyone has equal chance of being selected for survey.
Stratified
(Probability) Population is divided and then sampled.
Cluster
(Probability) Specific target group sampled from.
Non-Probability
No precise connection between sample and population
Volunteer
(Non-Probability) Self-selected respondents
Convenience
(Non-Probability) Individuals readily available
Snowball
(Non-Probability) Interviewee suggests others to be other potential respondents
VGI
(Non-Probability) Respondents enter information on web map
Nominal Data
Categories. Mutually exclusive groups (have no bearing on each other)
Ordinal Data
Ranked. Order matters but not the difference between the values (scales)