Post on 20-Feb-2017
Questionnaire DesignEVANS XORSE AMUZURESEARCH AND DEVELOPMENT UNIT , KATH
2Outline Data collecting tools and methodsFraming a good question in the questionnaireData typesDesigning a questionnaire Database softwareDesigning with Access
3Data collection tools Questionnaire Case report form Data abstraction sheet
Open ended Close ended
Interview guide Structured, Semi-structured, Unstructured
Paper moving to electronic (e-questionnaires, recorders,etc)
4Data collection methods Primary sources
Interviewer administered questionnaires Face-to face interview Phone
Self-completion Mail-in Email
5
What information do I need to collect to in
the study to be able to answer my questions
or meet my objectives?
6Framing a good question Break down objectives/questions to smallest unit
of measure Must be relevant to the study Not unnecessarily intrusive
Intrusive questions must be explained beforehand
Define what to be measured Define how to be measured
7Characteristics of a good question
Should beClear- avoid jargonsPreciseRelatively short
Interpreted the same way every time by anybody
Should not beLeading e.g. Is it
good to treat malaria?
Loaded e.g. Do you feel feverish and vomit?
Confusing e.g Who looks after you?
8 Health status of premier GCNM residents?
Nutritional status age, weight, height, abdominal circumference
Chronic disease Diabetes (Fasting Blood Sugar/ Random Blood sugar; last time
of eating) Hypertension (Two BP measurements)
Physical activity Exercise routine Car ownership (Manual/Automatic)
9Variables
Basic unit of measure
CategoriesAttribute variables- what respondent possesses. Eg
ageBehaviour variables- what respondent did, does, will
do. E.g. Opinion variables- what respondent thinks/ feels/
believes. E.g.
10Data types Numeric
Continuous (weight) Discrete (number of children)
Categorical Binomial- two way(Yes/No) Nominal- Naming (Ethnicity) Ordinal- Ordered (Highest level of education obtained)
11Variable tableVariable Definition Type of
data Scale
Age Age in completed years Discrete
Sex Sex of respondent Binomial MaleFemale
Weight Weight in kg to two decimal places Continuous
Religion Current religion being practiced Nominal ChristianityIslamTraditionalOthers
Severity of diarrhoea
Severity of diarrhoea as accessed by health worker
Ordinal MildModerateSevere
12Questionnaire Layout
Must have unique number Must have titles on each page Must have page numbers. Page 1 of 6 Must have version number Well spaced
13Questionnaire Format Preferably each question in a box Questions must preferably be numbered Question on the left Options on the right Font
Questions in Bold Response category in normal Instruction in Italics
14Questionnaire sequence Related questions should be neighbours Start with 'neutral' questions Leave sensitive questions to the end of the
interview.
15Is this ok?Question to a pregnant woman:What is your estimated gestational age?___________
1. Simple?2. Clear?3. Appropriate?
16Is this ok?Educational level
Primary ___Secondary ___Tertiary ___None ___
17Is this ok?Do you have intermittent fever?
___ Yes___ No
If yes, what is the nature of the fever___ High grade ___ Low grade
How old is your child? ______________
18Layout
19Layout
20layout
21Response Categories
22Response Categories
23Response Categories
24Collect “Raw” data
25Collect “Raw” data
26Layout
27Database designing software Microsoft Excel Microsoft Access Epi_info Epi Data FileMaker Pro CSPro Mobile Data Collection-
Open Data Kit, Kobo, Formhub, Magpi, Textit, Frontline, EpiCollect, Mobenzi researcher, Commcare
REDcap
28
Thank you!