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Samenvatting Vaardig met Data

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Dit is een samenvatting van Vaardig met Data. Dat is een tweedejaarsvak gegeven in de opleiding sociaal werk. Deze samenvatting is een combinatie van de lesnotities, praktijkvoorbeelden en aanvullingen uit het handboek.

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November 3, 2025
Number of pages
38
Written in
2025/2026
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Sociaal Werk
Vaardig met data
Sociale Hogeschool UCLL
2025 - 2026




1

,Deel 1: Basisbegrippen, onderzoeksplan en steekproeftrekkingen .............................. 2
1. Basisbegrippen ................................................................................................ 3
1.1. 2 soorten onderzoeken (naargelang het doel): ............................................... 3
1.2. Identiteit van sociaal werk onderzoek ........................................................... 3
1.3. Impact van onderzoek ................................................................................. 3
1.4. Hermans: gevolgen van onderzoekskeuze .................................................... 3
2. het onderzoeksplan .......................................................................................... 3
2.1. De probleemstelling ................................................................................... 4
2.1.1. Kenmerken probleemstelling SW-onderzoek .......................................... 4
2.2. Het onderzoeksontwerp .............................................................................. 4
2.3. Bepalen van de grondvorm .......................................................................... 4
3. Steekproeftrekking ........................................................................................... 4
3.1. Selectie van respondenten .......................................................................... 5
3.1.1. Purposive sampling .............................................................................. 5
3.2. Vanaf wanneer is er saturatie/verzadiging ..................................................... 5
3.3. Toegang tot respondenten ........................................................................... 5
3.4. Communicatie met respondent ................................................................... 5
Deel 2: Kwalitatief onderzoek via interviews en focusgroepen ..................................... 6
1. Het onderzoeksproces in kwalitatief onderzoek .................................................. 7
1.1. Wie wordt de doelgroep .............................................................................. 7
1.2. Onderzoekontwerp ..................................................................................... 7
1.3. Onderzoeksmethoden ................................................................................ 7
2. kwalitatieve onderzoeksmethoden .................................................................... 7
2.1. Verschillende methoden ............................................................................. 8
2.2. Keuze tussen de methoden ......................................................................... 8
3. Interviews ........................................................................................................ 9
3.1. Soorten Interviews .................................................................................... 10
3.1.1. Open interviews ................................................................................. 10
3.1.2. Semigestructureerde interview ............................................................ 10
3.1.3. Gestructureerd interview..................................................................... 10
3.2. Begrippen ................................................................................................ 10
3.2.1. Interviewschema ................................................................................ 11
2

, 3.2.2.Topiclijst ............................................................................................. 11
3.2. Interviews voorbereiden ............................................................................ 11
3.2.1. Van OV naar interviewschema ............................................................. 11
3.2.2. Interviewschema opstellen ................................................................. 11
3.2.2.1. Inleiding ....................................................................................... 12
3.2.2.2. Kern ............................................................................................. 12
3.2.2.3. Slot.............................................................................................. 12
3.2.3. Aandachtspunten bij opmaak van topiclijst .......................................... 12
3.2.4. Alternatieven op ‘talige’ data-verzamelling ........................................... 13
3.2.5. Moeilijke situaties tijdens een interview ................................................ 13
4. Focusgroepen ................................................................................................ 13
4.1. Focusgroepen voorbereiden ...................................................................... 14
4.1.2. Interviewschema ................................................................................ 14
4.2. Focusgroepen afleggen ............................................................................. 14
4.2.1. Verschillende technieken .................................................................... 14
4.2.2. Aandachtspunten: .............................................................................. 14
4.3. Na focusgroepen ...................................................................................... 15
Deel 3: data-analyse in kwalitatief onderzoek .......................................................... 15
1. Basisprincipes ............................................................................................ 16
2. Fasen van analyse....................................................................................... 16
2.1. Kennismaking met de data ........................................................................ 16
2.2. Opdelen en open coderen ......................................................................... 16
2.2.1. Opdelen ............................................................................................. 16
2.2.2. Open coderen .................................................................................... 16
2.3. Beschrijven & theorievorming .................................................................... 16
2.3.1. Beschrijven ........................................................................................ 17
2.3.2. Theorievorming................................................................................... 17
2.3.2.1. Uitwerking van concepten ............................................................. 17
2.3.2.1.1. Axiaal coderen ........................................................................ 17
2.3.2.1.2. Steekkaarten als hulpmiddel ................................................... 17
2.3.2.1.3. Codeboom opstellen .............................................................. 18
2.3.2.2. Integratie van concepten in theoretisch kader ................................. 18
3

, 2.4. Concluderen ............................................................................................ 19
2.4.1. Terugkoppelen naar de onderzoeksvragen ............................................ 19
2.4.2. Controle van de conclusies ................................................................. 19
2.5. Rapporteren ............................................................................................. 19
3. Betrouwbaarheid en validiteit ...................................................................... 19
3.1. Betrouwbaarheid ...................................................................................... 20
3.2. Validiteit .................................................................................................. 20
3.3. Hoe betrouwbaarheid en validiteit verhogen ............................................... 20
Deel 4: rapportage................................................................................................. 20
1. Belang van rapportage................................................................................. 21
2. Verschillende rapportagevormen ................................................................. 21
3. Alternatieve rapportagevormen .................................................................... 21
4. Onderzoeksrapport ..................................................................................... 21
4.1. Inhoud ..................................................................................................... 22
4.2. Aandachtspunten ..................................................................................... 22
Deel 5: Kwantitatief onderzoek via enquêtes ........................................................... 22
1. Betrouwbaarheid ........................................................................................ 23
1.1. Betrouwbaarheid beoordelen .................................................................... 23
2. Validiteit..................................................................................................... 23
2.1. Soorten validiteit ...................................................................................... 23
3. ENQUÊTES AFNEMEN ................................................................................. 23
Deel 6: Data-analyse in kwantitatief onderzoek ....................................................... 24
6.1. Voorbereiding van de data-analyse ............................................................ 25
6.1.1. Ruwe data omzetten => informatie ....................................................... 25
6.1.2. Codering van blanco enquêtes ............................................................ 25
6.1.3. Codeboek opstellen............................................................................ 25
6.1.4. Datamatrix opstellen .......................................................................... 25
6.1.5. Meetniveau bepalen ........................................................................... 26
6.2 Beschrijven van afzonderlijke variabelen ..................................................... 26
6.2.1. Frequentietabel .................................................................................. 27
6.2.2. Grafieken ........................................................................................... 27
6.2.3. Centrummaten ................................................................................... 28
4

, 6.2.4. Spreidingsmaten ................................................................................ 29
6.3. Beschrijving van een combinatie van variabelen .......................................... 30
6.3.1. Kruistabellen ..................................................................................... 31
6.3.1.1. Significantie ................................................................................. 31
6.3.2. Correlatietabellen .............................................................................. 32
6.3.2.1. Spreidingsdiagrammen/puntenwolken ........................................... 33
6.3.2.2. Voor welke onderzoeksvragen? ...................................................... 33
6.3.3. Regressieanalyse................................................................................ 34
6.3.3.1. Meervoudige regressie .................................................................. 34
6.3.3.2. Intermediaire effecten................................................................... 35
6.3.4. Grafieken ........................................................................................... 35
6.4. Data-analyse in Excel................................................................................ 35




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