The Practical Use of Statistical Power Is That It Informs

question 19

Multiple Choice

The practical use of statistical power is that it informs researchers:

• A) whether they will find significant results.
• B) how many participants are needed to conduct a study with findings they can trust.
• C) whether they will find important results.
• D) what effect size they can expect to find in conducting their study.

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Definitions:

Cell Wall

A rigid layer outside the plasma membrane of the cells of plants, fungi, and some bacteria, providing structural support and protection.

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the movement of substances in and out of the cell.

Cytoplasm

The gel-like substance inside the cell membrane excluding the nucleus, containing organelles and is the site of most cellular activities.

Chromosomes

Structures within cells that consist of DNA and protein and contain the genes.