When Independent Samples with Unknown but Equal Standard Deviations Are

question 42

Short Answer

When independent samples with unknown but equal standard deviations are used to test for differences in the means, we pool the sample _________________.

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Social Desirability Bias

A type of response bias in surveys or questionnaires where respondents answer in a manner that will be viewed favorably by others, potentially skewing results.

Confederate

An individual who is part of an experiment but pretends to be a participant while working for the researcher, often used to manipulate social interactions.

Social Desirability Bias

The tendency of respondents to answer questions in a manner that will be viewed favorably by others, potentially leading to inaccuracies in surveys or experiments.