A Researcher Wants to Find Out If Taking a New

question 237

Multiple Choice

A researcher wants to find out if taking a new antidepressant drug will decrease the symptoms of subjects suffering from social anxiety. The number of symptoms exhibited by the subjects would be the __________ variable.

• A)independent
• B)dependent
• C)extraneous
• D)control

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Definitions:

Ring Gear

A large gear that meshes with a smaller gear (pinion), often used in the differential of an automobile.

Planetary Gearset

a compact, high-torque gear system where the central gear (sun gear) drives multiple outer gears (planet gears) which in turn drive a ring gear.

Ring Gear

A large circular gear that engages with a smaller, driving gear or pinion, often found in the differential of a vehicle.

Sun Gear

A central gear around which planetary gears revolve in an automatic transmission or differential, part of a planetary gear set.