You are now ready to start with the design of the questionnaire with EpiData Manager, based on the data documentation sheet prepared in Exercise 1. When we. Exercise 1 An introduction to EpiData Analysis. Exercise 2 More on EpiData Analysis. Exercise 3 Aggregating data and saving the summary data in a file. Introduction to EpiData. 1. Introduction to EpiDataBy: Dr. M. Nadir Sahak; 2. Main features• Creating questionnaire• Controlled data entry•.
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Use of EpiData (questionnaire design and entry)
EpiData II Fpidata surveys one questionnaire Use to write comments during data entry eg: REC file Actual data. Make Data File 3. Set up Checks 4. A Code to limit orthographic errors eg.
REC file Questionnaire and Data file ready But 20 Errors in data entry Tranposition ex 39 becomes 93 Copying errors peidata copy as an o letter Consistency errors two or more responses are contradictory sex man, pregnancyYes Range errors answers outside of probable or possible values ex heigh 3 metres 21 Preventing errors Standardised and previously tested questionnaire Training the interviewers and data entry clerck Checking and validating paper forms of the questionnaires Checking during the data entry Check module Epi-Data Validation entering twice data by different operators Checking tutorila data entry Analysis module Epi-Info tutoril Checks I Reduce errors in input Checks help with data entry Many different types Examples Limit entry of numbers to specific range Forcing entry to be made in field Conditional jumps Copying the data from the previous record Help messages Conditional operations ex if.
A comprehensive tool for validated entry and documentation of data. Lauritsen JM, Bruus M. EpiTour – An introduction to validated dataentry and documentation of data by use of EpiData.
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Bob Document presentation format: Helvetica Arial Times New PowerPoint PPT presentation free to view. Use Cases – Use cases address ‘how to make functional requirements Jacobson invented ‘uses’ and ‘extends’ relations: Data Sources being used in BEA Developing an Effective Questionnaire for Thesis – The video is shared by http: Distinguish between online polls and online questionnaire?
There are some key contrasts between the these two Survey. Polldeep — an online polling tool — describes you hutorial between polls and online questionnaire that you need to Know.
Requirements Analysis and Design Engineering Everyone on the development team can stay closely Browsing more than half of all users are search-dominant.
eepidata Nielson, task-focused and want to find specific Validate and correct information at entry point. Use flat namespace to provide stable DNs for addressing Conceptual DB design cont’d.
Every user group define own schema Data Quality Control – Train staff Certify staff.
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