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DATA COLLECTIONDATA COLLECTION
PURPOSE & TECHNIQUEPURPOSE & TECHNIQUE
WHY DO WE COLLECT DATA?WHY DO WE COLLECT DATA?
monitor progress get information evaluate performance effectively use of resources identify gaps between knowledge
and practice evaluate impact of a program decision making utilise in planning
Commonly Used Data CollectionCommonly Used Data Collection
ProceduresProcedures•experimentsurvey
Census & inter census projectionsIn-depth or detailed sample surveyQuick count or rapid survey
observational factsinterviewsfocus group discussion
Steps in Data CollectionSteps in Data Collection
Identification of the objective listing of targeted populationtime framedata collection instrumentmethod of data collectionselection of proper sampling design
Internal validityExternal validity
organisation - selection, responsibilities and training of staff
precodingpre-testingfield survey launching
Survey QuestionnaireSurvey Questionnaire
Careful consideration should be given to the following:
Type of question structure open endedclosed ended
Phrasing and wording of questionsLay-out of the questionAids to the respondentAids and instructions to the interviewer
Starting the QuestionnaireStarting the Questionnaire
Step 1: Write most important aims of the study
Step 2: List of information, relevant to step 1
Step 3: main sections
Step 4: questions which can be asked of the respondent
Step 5: revise step 4 against 1
Step 6: all information is recorded
Starting the QuestionnaireStarting the Questionnaire
Step 7: check if every question is
clear and unambiguoussimple and shorta reasonable question to askto be an open or closed questioncodedscales
Step 8: interview does not take too long
Phrasing and Wording of QuestionsPhrasing and Wording of Questions
clarity - ask short, specific questionssimplicity-use simple everyday wordsask one question at a timedouble barrelled questions-avoid multiple
or compound questionstime frameneutrality
Questionnaire Lay OutQuestionnaire Lay Out
easy to useguidance and reminders to the interviewerprevent confusioninstructions should not be overlookedeasy interpretation of answers
Question Sequence-respondent MustQuestion Sequence-respondent Must
understandmotivatedinterest maintainedenjoy the interview
Prepare Interviewer InstructionsPrepare Interviewer Instructions
explain carefullyexplain how to use the questionnaire
during an interviewserve as a reference
Data ManagementData Management
questionnaire identification numberquestionnaire editingdevelopment of coding sheet development of code bookmethods of data management
hand tallyinghand sortinguse of computers
FEW SIMPLE BUT IMPORTANT RULESFEW SIMPLE BUT IMPORTANT RULES WHILE PREPARING A QUESTIONNAIREWHILE PREPARING A QUESTIONNAIRE
Every questionnaire must include information onname of village/name of family or person intervieweddate of interviewidentification is usually put at the beginning of the questionnaire
Questions must be short, simple and easily understoodOnly important questions should be askedStart the questionnaire with questions that are easy to
answer and which deal with very familiar mattersLeave plenty of space for the interviewer to write down
the answers and to make notes of anything interesting s/he sees. If writing space is short then the handwriting
will become cramped and very difficult to read