Which of the Following Tests Is Considered to Be More

question 15

Multiple Choice

Which of the following tests is considered to be more powerful?

• A)A one-tailed test
• B)A two-tailed test
• C)Neither;they are both equally statistically powerful
• D)Which is more powerful depends on the sample size

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Definitions:

Just Noticeable Difference

Just noticeable difference is the minimum difference in stimulation that a person can detect 50% of the time, also known as the threshold of sensory detection.

Grams

A metric unit of mass equal to one thousandth of a kilogram.

Pupil

The part of the eye located in the center of the iris that controls the amount of light entering the eye.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the amount of light reaching the retina.