The Sample Size Needed for a Study Increases When

question 26

Multiple Choice

The sample size needed for a study increases when:

• A) the alpha level is increased from .01 to .05.
• B) the number of variables in the study increases.
• C) a one-tailed versus a two-tailed statistical test is used.
• D) the sensitivity of the instruments used is high.

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Definitions:

Laser

A device that emits a highly focused beam of light, commonly used in various technologies such as cutting and communication.

System Unit

The main body of a computer, housing the motherboard, central processing unit (CPU), power supply, and more, excluding peripheral devices.

Optical Media

Storage disks such as CDs, DVDs, and Blu-rays that use laser light to read and write data.

Jump Drive

Another term for USB flash drive, a portable storage device that connects to a computer's USB port allowing the transfer and storage of data.