When data is collected from all the members of a population, the study is called:
When data is collected from all the members of a population, the study is called:
Options:
(a) Sample study
(b) Census study
(c) Case study
(d) Comparative study
✅ Correct Answer:
(b) Census study
Explanation:
A census study involves collecting data from all members of a population, ensuring complete and comprehensive information. It contrasts with a sample study, which gathers data from a subset, a case study focusing on an individual or small group, and comparative study analyzing differences between groups.
Census studies provide accurate statistics, policy insights, and decision-making data in education, demographics, and management. PPSC exams frequently include questions about research methodology and data collection techniques.
10 Related Facts:
- Census studies cover entire population.
- Sample studies involve a subset.
- Case study focuses on individual/group.
- Comparative study analyzes differences.
- Provides complete data for analysis.
- Reduces sampling error.
- Useful in policy formulation.
- Used in educational and demographic research.
- Can be costly and time-consuming.
- Frequently asked in PPSC research methodology MCQs.