What is the difference between a single-step (cross-sectional) and multistep survey? Explain the purpose of each type of survey and when they would be used.
Ans) Single-step- Gathering primary data from individuals or groups within a single contact, i.e.- written questionnaires & interviews, Multi-step survey- collect the data requires more than 1 contact.
Single step (cross- Sectional):
- written questionnaires
-face to face interviews
-telephone interviews- RDD
-electronic interviews
-group interviews
Multistep survey:
- A multi-step form is a long form that is broken into multiple pieces. They're used to make long forms, such as shipping or registration forms, less intimidating and daunting.
What is the difference between a single-step (cross-sectional) and multistep survey? Explain the purpose of each...
What is the difference between a single-step (cross-sectional) and multistep survey? Explain the purpose of each type of survey and when they would be used.
What is the purpose to use the leave-one-out cross-validation? Please explain the difference between the ridge regression and LASSO.
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the difference between a cross-sectional study, prospective study, and retrospective study
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