Ask well written questions
define universe
third
third
The five main steps in a scientific poll are:Defining the universeConstructing a samplePreparing valid questionsInterviewingAnalyze and report findings
Ask well written questions
George Gallup
it is reviewing the literature and making it right
Writing up and getting the results published.
bias.
random
Scientific Polling Groups
An important step in a scientific investigation is forming a hypothesis.