Researchers Often Want to Test for Significant Differences Between Means

question 82

Essay

Researchers often want to test for significant differences between means of MORE than two groups.What method is best used for investigation of significant differences between means of MORE than two groups? What is the value of this method to researchers? What are the advantages of this method?

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Definitions:

Laboratory Controls

Procedures or conditions that are used in experiments to ensure that the results are due to the independent variable being tested, and not to external factors.

Correlational Method

A research strategy that involves observing the relationship between two or more variables without manipulating them.

Variables

Variables are any characteristics, numbers, or quantities that can be measured or quantified and that can vary across subjects, time, or any other dimension in a study or experiment.

Research Techniques

Various methods and tools used to conduct scientific studies and gather empirical data, including experiments, surveys, observations, and interviews.