In Order to Select a Stratified Random Sample, We Divide

question 30

True/False

In order to select a stratified random sample, we divide the population into overlapping groups of similar elements.

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Definitions:

Strongest Manipulation

In experimental research, the use of the most extreme or powerful version of the independent variable to assess its effects.

Nonsignificant Findings

Results of a statistical analysis that do not meet the criteria for significance, indicating that any observed effect might be due to chance.

Confederate

In psychological research, a person who pretends to be a participant but in fact is part of the research team, used to manipulate social interactions as part of the experiment.

Mediator

A variable that explains the mechanism through which an independent variable influences a dependent variable in a study.