Data collection

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Data collection. Questionnaires Interviews Accounts Observation tests. questionnaires. Planning a questionnaire Decide the objectives Decide the population and the sample Generate topics / concepts and data required to meet the objectives Decide kinds of measures - PowerPoint PPT Presentation

Transcript of Data collection

  • Data collectioncompiled by Anna Bczkowska*QuestionnairesInterviewsAccountsObservationtests

    compiled by Anna Bczkowska

  • questionnairescompiled by Anna Bczkowska*Planning a questionnaireDecide the objectivesDecide the population and the sampleGenerate topics/concepts and data required to meet the objectivesDecide kinds of measuresWrite questionnaire itemsPilot the questionnaireAdminister the questionnaire

    compiled by Anna Bczkowska

  • types of questionnaire itemscompiled by Anna Bczkowska*ClosedDichotomousMultiple choiceRank orderingRating scalesconstant sumRatio data

    Open-participants write a free account to explain and qualify their responses and avoid the limitations of pre-set categories

    compiled by Anna Bczkowska

  • Scales of datacompiled by Anna Bczkowska*You need to adopt a scale of data:

    -nominal (indicate categories)-ordinal (indicate order: high, low; first, last, etc.)-ratio (indicate values, e.g. marks in a test)

    compiled by Anna Bczkowska

  • Scales of data 2compiled by Anna Bczkowska*Question type level of dataDichotomous questions nominalMultiple choice nominalRank ordering ordinalRating scales ordinalConstant sum question ordinalRatio data questions ratioOpen-ended questions word-based data

    compiled by Anna Bczkowska

  • Dichotomous questionscompiled by Anna Bczkowska*Sex (please tick) Male Female

    Do you prefer didactic methods to child-centred methods? Yes No

    Advantages:-Codes responses quicklyGood funnelling device for subsequent questionsE.g. If you answered yes to question X, please go to question Y

    compiled by Anna Bczkowska

  • Multiple choice questionscompiled by Anna Bczkowska*-Categories must be DISCRETE, i.e. should not overlap or mutually exclusive)Guidance should be provided whether only one answer can be ticked (single answer mode) or several (multiple answer mode)Are quickly codedNumber of years in teaching 1-5 6-12 15-24 25 + Which age group do you teach at present?Infant primary secondary sixth form only

    compiled by Anna Bczkowska

  • Rank orderingcompiled by Anna Bczkowska*There are options to choose from (as in multiple choice)Asks respondents to identify priorities (unlike in multiple choice)Please indicate your prioritiesStudents should enjoy school [ ]Teachers should less homework [ ]Students should be tested more [ ]Teacher should use more varied activities [ ]

    compiled by Anna Bczkowska

  • Rating scalescompiled by Anna Bczkowska*Categories need to be discreteThey need to exhaust the range of possible responses

    Senior school staff should teach more1 2 3 4 5[ ] [ ] [ ] [ ] [ ]1=strongly disagree; 2=disagree; 3=neither agree nor disagree; 4=agree; 5=strongly agree

    compiled by Anna Bczkowska

  • Rating scale semantic differentialcompiled by Anna Bczkowska*Semantic differential is a variation of a rating scaleTwo adjectives are put at each end of a scaleRespondents circle their answer

    How useful do you consider these slides? 1 2 3 4 5 6 7 Useful --- --- --- --- --- --- --- useless

    compiled by Anna Bczkowska

  • Constant sum questionscompiled by Anna Bczkowska*Respondents are asked to distribute a given number of marks between a range of itemsEnables to identify prioritiesRespondents consider the relative weight of each aspects

    Distribute 10 points for aspects of your personality:Talkative [ ]Cooperative [ ]Hard-working [ ]Lazy [ ]Attentive [ ]

    compiled by Anna Bczkowska

  • Ratio data questioncompiled by Anna Bczkowska*- no fixed answer or category is providedRespondents puts in the numerical answer that fits his/her exact figureEnables averages and statistics to be calculated

    How much money do you have in the bank? __How many times have you been late for school? __How old are you (in years)? __

    compiled by Anna Bczkowska

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