Which of the Following Research Methods Would Most Effectively Demonstrate

question 193

Multiple Choice

Which of the following research methods would most effectively demonstrate that regular aerobic exercise improves people's memories?

• A) experiment
• B) naturalistic observation
• C) survey
• D) case study

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Definitions:

Metric Thread

A standardized thread type used internationally, characterized by its metric dimensions, commonly used in bolts, screws, and nuts.

Internal Thread

The spiral grooves cut inside a hole intended to engage with an external thread, such as on a bolt, allowing for parts to be screwed together.

Plain Bearings

Bearings that operate through sliding motion between the moving surfaces, without rollers or balls, used for simpler mechanisms.

Journal Bearings

Bearings that support a rotating shaft, where the shaft rotates within a lubricated sleeve or shell without rolling elements.