Data Collection Types of Data Advantages & Disadvantages

Meaning of data collection, Types of Data, Advantages and Disadvantages

1. Data Collection Dr. Lalit K Jindal

2. Meaning Data collection is the process of Gathering and Measuring information; for research, analysis, or statistical purposes.

3. Meaning It involves identifying Relevant data sources, Selecting appropriate data collection methods, and Organizing the collected data for analysis.

4. Data Types Qualitative Data Non-Numerical In Nature Interviews Observation Open-Ended Surveys

5. Data Types Quantitative Data Numerical information that can be measured or counted 1. Survey ratings 2. Test Scores 3. Sales figures

6. Data Sources Primary Data Data collected first-hand for a specific research purpose. Surveys 3. Interviews Experiments 4. Observations

7. Data Sources Secondary Data Data collected by someone else for a different purpose but can be reused for research. Books Articles Databases Govt. reports

8. More types of data Categorical Data Data that can be grouped into categories or labels 1. Gender 2. Nationality 3. Product Type

9. More types of data Numerical Data Data that can be measured and expressed in numbers 1. Age 2. Height 3. Income

10. More types of data Time Series Data Data collected over regular intervals of time, allowing analysis of trends and patterns. Spatial Data Data that includes geographic information, such as maps or coordinates.

11. Usability of data Data Analysis Data can be analyzed to gain insights, identify trends, make predictions, or support decision-making processes. Research Data can be used for academic or scientific research purposes, contributing to the advancement of knowledge in various fields.

12. Usability of data Business Intelligence Data analysis can provide valuable insights for businesses to : Optimize operations Identify market trends Improve customer satisfaction

13. Advantages of data collection Accuracy Collecting data directly allows researchers to ensure the accuracy and relevance of the information. Specificity Primary data collection allows researchers to target specific information needed for their research objectives.

14. Advantages of data collection Control Researchers have control over the data collection process, ensuring data quality and consistency.

15. Disadvantages of data collection None But be careful about: Time Cost Bias