A Study Has a Power Level of 0

question 24

Multiple Choice

A study has a power level of 0.75. What does that mean?

• A)Study interventions will be statistically significant 75% of the time.
• B)The study has a 75% chance of detecting differences if they exist.
• C)The study's sample has a 25% attrition rate, at worst.
• D)There is a 25% chance of detecting a Type I error.
• E)There is a 25% chance that the study will fail to reveal differences that actually exist.

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Definitions:

Diverse Morphology

Refers to the variation in form and structure among organisms or parts of organisms within a population, species, or group.

Filaments

Long, thin structures found in many organisms, such as the stamen of flowers or muscle fibers, and are often involved in structural or motility functions.

Sheets

Thin, broad pieces of material, such as metal, paper, or fabric, used for various purposes.

Pseudopodia

Temporary, foot-like extensions of a cell's surface, used for movement and ingestion by some single-celled organisms.