1. You have been provided with a questionnaire used in the 2016-2017 Nigeria vaccination coverage survey. If you were to use this questionnaire as a model for one that you are developing for your own survey, what factors would you consider when reviewing and customizing the questionnaire to ensure that it is aligned to objectives relevant in your own country context? (If your country context is Nigeria, consider objectives that could be considered for future surveys.)

Ans

• Whether the questionnaire contains all the necessary question to address the survey objectives
• How best to reduce the questionnaire ensuring it captures all relevant question
• Validating all questions to ensure they all address the survey objective

2. From the Nigeria questionnaire provided, develop a sample code book (data dictionary) ONLY for section 1: household information of the questionnaire. (You can attach an Excel or Word file in your Update and/or insert a screenshot of your file.)

Ans

Code book

3. Why is it important to have a unique identifier for each individual in a survey? Summarize key considerations for the design of a numbering system to ensure this.

Ans

A unique identifier for each individual in a survey is to ensure each individual is captured only once, this will go a long way to prevent duplication.

The key considerations for the design of a numbering system is to ensure that all questionnaire can easily be located and retrieved

4. If paper data collection and pictures are to be taken, how will you ensure that the pictures can be linked to the correct child?

Ans

Write the unique identifier behind/in front of the picture and attach/stick the picture on each form

5.  Data collection is increasingly being conducted using CAPI (computer assisted personal interviewing) with tools like CSPro, ODK, etc. What features would you recommend are added to the data collection software to improve overall data quality? What considerations for support and in case of malfunctions would you put in place (contingency planning, support and troubleshooting, etc.)?

Ans

Ensuring data quality; Monitor data as they entered
Malfunctions; Use paper forms in addition to any CAPI