What Is Most Important for Reducing the Likelihood of Extraneous

question 130

Multiple Choice

What is most important for reducing the likelihood of extraneous variables

• A) experimental methods 
• B) correlational methods 
• C) random assignment 
• D) random sampling

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Definitions:

Hypotheses

Hypotheses are proposed explanations made on the basis of limited evidence as starting points for further investigation.

Standard Error

The standard deviation of the sampling distribution of a statistic, most commonly of the mean.

Means

Refers to arithmetic averages derived from a set of numerical data, indicating typical or central values.

Standard Deviations

Standard deviations measure the amount of variability or dispersion from the average in a set of data.