PSYCH 3100 Study Guide - Midterm Guide: Simple Random Sample, Stratified Sampling, Convenience Sampling
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Be able to provide examples and define the following sampling techniques: Data collection techniques- chapter 3: simple random sampling, sampling technique in which all subsets of the population have equal probability of being selected, goal standard. The rest of the population is selected at some interval: example, stratified sampling. Used with variables that depend on time. Quality control (checking every 10th item to make sure there isn"t a tear: sampling technique used when subpopulations within an overall population vary. Stratification is the process of dividing members of the population into homogeneous subgroups before sampling. The strata should be mutually exclusive and exhaustive. Simple random sampling is applied within each stratum: homogeneous sub group. Color: quota sampling, sampling technique used when the population is first segmented into mutually exclusive and exhaustive subgroups. Each period of data collection is called a wave. : panel sampling, longitudnal study. A study over a period of time: exam question (possible)
