A Randomized Controlled Study Is Done to Determine Whether or Not

question 7

Essay

A randomized controlled study is done to determine whether or not taking a specific herbal supplement causes stress levels to decrease. Sixty individuals are broken into two groups of size thirty. The first group receives a 10 mg dose of an herbal supplement each day while the second group receives a 10 mg dose of a sugar pill made to resemble the herbal supplement each day. After two months the stress levels of each group are measured. The 10 mg sugar pill is an example of a what?

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Definitions:

Battery Charger

A device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.

ABS Circuit

A critical component of the Anti-lock Braking System in vehicles, responsible for controlling the hydraulic pressure to prevent wheels from locking during braking.

Fault Codes

Diagnostic codes generated by a vehicle's onboard computer indicating specific malfunctions or issues requiring attention.

Electronic Braking System (EBS)

A system in vehicles that uses electronic controls to improve the efficiency and responsiveness of braking.