1. Data Collection Shun Tak Fraternal Association Leung Kau Kui College November 2008

2. Types of Data

3. Features of Quantitative & Qualitative Data Quantitative Data : Numeral data Only cool number without analysis Quite objective and generalized Qualitative Data: Descriptive sentences Understanding more easily in general Rather subjective but in details

4. Examples of Data Quantitative (Numeral) Data : Experimental data Statistical data collected from field observation Scores from questionnaire survey Qualitative (Descriptive) Data: Field study Case study Interview dialogue

5. Experimental Data Examples – Quality of tissue paper – Testing its absorption ability / toughness and thickness Importance of “Fair Test” – Procedure of testing absorption ability Data Analysis – Absorption ability VS Price – Absorption ability & Materials

6. Scores from Questionnaire Survey Example – Habit of using tissue paper Elements of good questionnaire – Dividing the questionnaire into several appropriate parts with clear objectives – Using appropriate type of questions – Good Questioning skills – Suitable length of questionnaire Determining appropriate “sample size” – Generalized but also manageable

7. Statistical data collected from Field Observation Example - Find out the sales amount of different types / brands of tissue paper in different districts in Hong Kong – Stay in supermarkets to count the sales amount of different brands of tissue paper – How many and which supermarkets should you choose? – How long should you stay? Determining appropriate “sample size” – Again, generalized but manageable

8. Field study Example: investigating about the operation of public transportation enterprise Visiting the places with plenty of information – Informative and also Accessible Well-prepared before visiting the field – List out the information you intend to collect – Reviewing the route and time schedule Effectively & efficiently collect valuable, detailed & in-depth info. in the site

9. Case Study & Interview Example: Interviewing experienced bus drivers and MTR staffs to know more about the evolvement in the past decades The cases should be representative and referable Objective in handling descriptive opinion / information obtained from interviewee Descriptive opinion / information collection should be verified with other sources of data

10. The End Shun Tak Fraternal Association Leung Kau Kui College November 2008