If a Research Null Hypothesis Is Correct and Researchers Reject

question 5

Multiple Choice

If a research null hypothesis is correct and researchers reject it, what has happened?

• A) Researchers have made a Type I error
• B) Researchers have made the correct decision
• C) Researchers have made a Type II error
• D) Researchers have made a measurement error

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Definitions:

Potassium-40

A radioactive isotope of potassium used in dating geological materials, as it decays into argon-40 over a known period of time.

Carbon-14

A radioactive isotope of carbon used in dating organic materials and archaeological objects through radiocarbon dating methods.

Carbon-12

A stable isotope of carbon with six protons and six neutrons, used as a standard in atomic mass units.

Indicates

Points out, shows, or is a sign of something; often used to specify an important relationship or evidence in a given context.