When You Have a Directional Hypothesis,the Most Conservative Way to Test

question 66

Multiple Choice

When you have a directional hypothesis,the most conservative way to test it would be to use a(n)

• A)one-tailed test in the predicted direction.
• B)one-tailed test in the opposite-of-that-predicted direction.
• C)one-tailed test,with the region of rejection in the positive tail.
• D)two-tailed test.

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Definitions:

Evolution

The process through which populations of organisms change over generations, driven by mechanisms such as natural selection and genetic drift.

Chordate

A member of a diverse phylum of animals that includes the vertebrates, lancelets, and tunicates. As embryos, chordates all have a notochord (a hollow nerve cord), pharyngeal gill slits, and a post-anal tail. Many present-day chordates lose or modify these structures as they develop into adults.

Adult Organism

An organism that has reached its full developmental or mature stage, especially in terms of reproductive capacity.

Structure

The arrangement or organization of parts to form an organism, system, or object, often determining its function and properties.