Dr Stallworth Is Developing a New Research Study and Needs

question 60

Multiple Choice

Dr. Stallworth is developing a new research study and needs to determine the number of participants necessary to achieve adequate power. Dr. Stallworth currently has theorized four experimental conditions in this multigroup design. What is the minimum number of participants Dr. Stallworth would need to yield adequate power?

• A) 50
• B) 75
• C) 120
• D) 200

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Definitions:

Memory Consolidation

The process by which short-term memories are converted into long-term memories, making them stable and long-lasting.

REM Sleep

A stage of sleep characterized by rapid eye movement, vivid dreaming, and increased brain activity, playing a key role in learning and memory.

Beta Rhythms

Brain waves that are associated with active, alert cognition and wakefulness, typically occurring in a frequency range of 12–30 Hz.

Respiration

The physiological process of inhaling oxygen and exhaling carbon dioxide from the body, essential for maintaining life.