What Is a Mnemonic Device

question 118

Multiple Choice

What is a mnemonic device?

• A) a machine that measures brain waves
• B) a method for increasing speed of reading
• C) a method for improving memorization
• D) a machine that tests memory

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Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test that is used to determine the probability of observing the given or more extreme data if the null hypothesis is true.

T Value

A statistic calculated in a T-Test that determines the size of the difference relative to the variation in the sample data.

Degrees Of Freedom

Degrees of freedom in statistics refer to the number of values in the calculation of a statistic that are free to vary.

Significance Level

A threshold set by the researcher to determine the point at which the results of a statistical test can be considered to demonstrate a meaningful effect, typically denoted by alpha (α).