A Researcher Designed an Experiment to Determine If Consumption of Caffeine

question 40

Multiple Choice

A researcher designed an experiment to determine if consumption of caffeine results in increased level of motor activity.In this study, the dependent variable is the

• A)caffeine.
• B)motor activity.
• C)experimental design.
• D)experimenter bias.

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Definitions:

Hip And Shoulder

Joints that connect the limbs to the torso; the hip being the articulation between the pelvis and the femur, and the shoulder connecting the upper arm to the torso.

Gliding Motion

A smooth movement where surfaces slide past one another, typical in some types of joints like the carpals of the wrist.

Plane Joint

A type of synovial joint which allows only sliding or gliding movements where the articular surfaces are flat.

Cartilaginous Joint

A type of joint where the bones are joined by cartilage, allowing for limited movement.