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  1. 1. Module 2 Types, Sources and Collection of Data
  2. 2. <ul><li>Types of Data </li></ul><ul><ul><li>Primary and Secondary </li></ul></ul><ul><ul><li>Nominal, Ordinal, Interval and Ratio </li></ul></ul><ul><ul><li>Numerical and Categorical </li></ul></ul><ul><ul><li>Crossectional and Temporal </li></ul></ul><ul><li>Collection of Primary Data </li></ul><ul><ul><li>Census vs. Sampling </li></ul></ul><ul><ul><li>Designing of a Questionnaire </li></ul></ul><ul><ul><li>Conducting a Survey </li></ul></ul><ul><li>Sources of Secondary Data </li></ul><ul><ul><li>Publications </li></ul></ul><ul><ul><li>Internet </li></ul></ul><ul><li>Provisional vs. Actual data </li></ul>Types, Sources And Collection Of Data
  3. 3. <ul><li>Primary and Secondary </li></ul><ul><li>Qualitative / Categorical and Quantitative / Numerical </li></ul><ul><li>Nominal, Ordinal, Interval and Ratio </li></ul><ul><li>Discrete </li></ul><ul><ul><li>Nominal and Ordinal </li></ul></ul><ul><li>Continuous </li></ul><ul><ul><li>Interval and Ratio </li></ul></ul><ul><li>Crossectional, Temporal and Spatial </li></ul>Types of Data
  4. 4. Nominal, Ordinal, Interval and Ratio Data <ul><li>There are four levels or types of measurement scales </li></ul><ul><ul><li>Nominal </li></ul></ul><ul><ul><li>Ordinal </li></ul></ul><ul><ul><li>Interval </li></ul></ul><ul><ul><li>Ratio </li></ul></ul>
  5. 5. Crossectional, Temporal and Spatial <ul><li>Crossectional data comprises of values of a variable recorded over at the same point or period of time for many individuals, organizations, places, etc. </li></ul><ul><li>Temporal data, also referred to as time series data, is the data about an individual organization, place, etc. over a period of time. </li></ul><ul><li>Spatial data is the data based on geographical location basis. The crossectional data with respect to places is also categorized as spatial data. </li></ul>
  6. 6. Important attributes that are considered desirable in a questionnaire <ul><li>The objective is well defined and duly incorporated in the questionnaire </li></ul><ul><li>The number and type of questions are sufficient to fulfill the objective </li></ul><ul><li>The questions are well structured and self explanatory </li></ul>
  7. 7. Important attributes that are considered desirable in a questionnaire <ul><li>The questions to be exhaustive, i.e. include all possible options </li></ul><ul><li>The questions to avoid seeking information considered sensitive by the respondent </li></ul><ul><li>The sequencing of questions to arouse and sustain interest of the respondent </li></ul>
  8. 8. Important characteristics of a survey <ul><li>The population about which some conclusion is to be drawn is well defined </li></ul><ul><li>The sample is selected randomly without any bias or prejudice. </li></ul><ul><li>The sample is true representative of the population </li></ul>
  9. 9. Important characteristics of a survey <ul><li>The sample size is large enough to be consistent with the specified objective and tolerance for error </li></ul><ul><li>The type of sampling design and questionnaire are consistent with the objective of the survey </li></ul><ul><li>Survey personnel are well motivated and trained. </li></ul>
  10. 10. Some of the Important Websites Name Site Address Description Reserve Bank of India Economic Data , Banking Data Securities Exchange Board of India Data Bombay Stock Exchange Data National Stock Exchange Data Finance Ministry Data/ Publications Glossary of Statistics* Definitions and Brief detais* Princeton University Data and Statistical Services Statistics Help Us Data and Statistical Services(Paid Service) The Oecd's Online Library http:// Statistical Databases, Books and Periodicals
  11. 11. Some of the Important Websites Name Site Address Description Nationmaste http:// Sources as the CIA World Fact book India Stat Statistical data and useful information on India Federation Of Indian Chambers Of Commerce And Industory http:// Commerce and Economic data Iassist Indian Publications Bepress Electronic journals (paid site) International Telecommunication Union http:// / publications and cases studies World Bank Data
  12. 12. Some of the Important Websites Name Site Address Description World Health Organisation Health topics - Countries - About WHO - Publications - Data ISI (Indian Statistical Institute) Web library Telecom Regulatory Authority Of India http:// Data on telephone network Centre For Monitoring Indian Economy Industry Analysis Service - Economic Intelligence Service - Products - Euro monitor International market intelligence on industries, countries and consumers
  13. 13. Some of the Important Websites Name Site Address Description India Info line http:// / Information of stocks and other financial services Ebsco http:// RESEARCH DATABASES (paid) Confederation of Indian Industry Business data, cases ,publications ECCH Case study database (paid) National Informatics Centre, India http:// Indian data