Unlock Elite Access: Level Up Your Preparation with Exclusive Content

Sociology Optional PYQ Solutions · Model answer

Explain the probability sampling strategies with examples.

  • UPSC 2019
  • Research Methods and Analysis

Jerzy Neyman's formalisation of stratified random sampling in the 1930s supplied the statistical logic that still underwrites every probability sampling strategy used in Indian social research today: a sample is only as trustworthy as the known, calculable chance each unit had of being drawn into it.

You are reading the opening of the model answer. The full answer is part of Sociology Optional PYQ Solutions.

What the full answer covers

  • Simple Random Sampling
  • Systematic Sampling
  • Stratified Sampling
  • Cluster Sampling
  • Multi-Stage Sampling — the Working Model Behind India's Large Surveys

Unlock this answer and 1,500+ more

  • 1,500+ solved UPSC Sociology PYQs from 1985 to 2026, Paper-1 and Paper-2
  • Topic-wise across all 25 syllabus units, newest exam year first
  • A full model answer for every question, shaped to 10 or 20 marks, with thinkers and Indian examples
  • Read online on lotusarise.com, plus PDF download

₹1,499₹2,50040% off

Get Sociology Optional PYQ Solutions @ ₹1,499 →

One-time payment · 12 months of access · Instant access · UPI, cards, RuPay