Define and Distinguish Probability and Non-Probability Sampling

question 36

Essay

Define and distinguish probability and non-probability sampling.What is the relationship between the techniques and sample generalizability?

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Definitions:

Marginal Means

The mean scores for each level of a factor averaged over the levels of other factors in a multifactorial experiment, often used in the analysis of variance.

Significant Main Effect

An outcome in statistical analysis indicating that the independent variable has a statistically meaningful impact on the dependent variable.

Variable

Property or characteristic of an object, event, or person that can take on different values.

Marginal Means

Means for each level of an independent variable, averaging over the levels of any other independent variables.