A BRIEF HISTORY OF SAMPLING
    President Alf Landon
    President Thomas E. Dewey
    Two Types of Sampling Methods
NONPROBABILITY SAMPLING
    Reliance on Available Subjects
    Purposive or Judgmental Sampling
    Snowball Sampling
    Quota Sampling
    Selecting Informants
THE THEORY AND LOGIC OF PROBABILITY SAMPLING
    Conscious and Unconscious Sampling Bias
    Representativeness and Probability of Selection
    Random Selection
    Probability Theory, Sampling Distributions, and Estimates of Sample Error
POPULATIONS AND SAMPLING FRAMES
    Review of Populations and Sampling Frames
TYPES OF SAMPLING DESIGNS
    Simple Random Sampling
    Systematic Sampling
    Stratified Sampling
    Implicit Stratification in Systematic Sampling
    Illustration: Sampling University Students
MULTISTAGE CLUSTER SAMPLING
    Multistage Designs and Sampling Error
    Stratification in Multistage Cluster Sampling
    Probability Proportionate to Size (PPS) Sampling
    Disproportionate Sampling and Weighting
    Illustration: Sampling Churchwomen
PROBABILITY SAMPLING IN REVIEW