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Methods of collecting primary data - Coggle Diagram
Methods of collecting primary data
Sampling
Population
Sample
Sampling
Random Sampling
Proability sampling
Stratified sampling
Non-probablity sampling
Quota sampling
Survey methods
Mail and telephone surveys
Mail surveys by questionnaires
Telephone survey recording the respondent´s answers
Personal interview survey
In-home door-to-door interview
Shopping mall intercept interviews
On-site computer interviews
Online and social media interviews
Online surveys: questionnaires through via mail or website
Crowdsourcing: input straight from willing costumers
Observation
Questionnaire construction
Clear
Easy to understand
Directed toward a specific objective
Designed to elicit information that meets study´s data requirement
Impartial
Carefully worded
