01:960:201 Study Guide - Quiz Guide: Stratified Sampling, Block Design, Convenience Sampling
Document Summary
Block design is a group of experimental units or subjects that are similar in ways that are expected to affect the response to the treatment. Hidden bias is a bias that can occur without the researcher knowing it. Probability sampling always includes a random mechanism to choose members and large survey organizations use this method. Simple random sample is a sample in which every possible sample of size n has an equal chance of being the sample. Cluster sampling occurs when the population is broken into subgroups. Judgement sample is when an expert chooses the sample. Random sample is one in which every member of the population has the same chance of selection. Statistical significance is the observed response is too big to plausibly attribute to chance. Completely randomized design occurs when all experimental units are allocated at random among the treatments.
