Why Was It Important That Researchers Use Large Sample Sizes

question 17

Multiple Choice

Why was it important that researchers use large sample sizes?

• A) It controls for all variables except for one.
• B) It holds the experimental conditions constant.
• C) It allows the researchers to create a null hypothesis.
• D) It reduces the amount of distortion or "noise" in the data caused by unusual individuals or circumstances.

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Definitions:

Critical Value

A threshold in statistical testing that delineates the boundary for rejecting the null hypothesis.

Left-tailed Area

The area under the curve of a distribution to the left of a specified value, often used in hypothesis testing to determine the likelihood of observing a result at least as extreme as the one observed.

Degrees Of Freedom

The number of independent values or quantities that can vary in the calculation of a statistic, crucial for assessing the relevance of test results.

Water Breaks

Brief pauses during activities intended for the intake of water to stay hydrated and maintain physical or mental performance.