Population - A group of individuals who have the same characteristic., Sample - aA subgroup of the target population that the researcher plans to study, Probabilistic Sampling - Selecting individuals who are representative of a population, Non-Probabilistic Sampling - Selecting individuals because they are available, convenient, and have some characteristics of their population, Types of Probabilistic Sampling - Simple Random, Stratified, Multistage Cluster, Types of Non-Probabilistic Sampling - Convenience, Snowball, Options for obtaining an instrument to use for collecting quantitative data - Develop one yourself, locate one and modify it, locate one and use it in its entirety., Sampling Error - The difference between the sample estimate and the,

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