Equipment Calibration and Gold Standard Tests

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What is power commonly measured in?

Joules (J)

Kilocalories (kcal)

Watts (W) (correct)

Litres per minute (L/min)

How is power calculated?

Distance divided by time

Work divided by time (correct)

Force divided by distance

Energy divided by power

What is the correct unit for measuring mass?

Joules (J)

Meters (m)

Newtons (N)

Kilograms (kg) (correct)

Which quantity is calculated by multiplying mass by acceleration?

Force (N) Signup and view all the answers

What is energy commonly measured in?

Kilocalories (kcal) Signup and view all the answers

Which unit of measure is equivalent to watts?

Joules per second (J/s) Signup and view all the answers

In terms of work calculation, what is the product of force and length?

Newton meters (Nm) Signup and view all the answers

What method is used to verify the accuracy of instruments used in measurement?

Calibration Signup and view all the answers

What does displacement refer to?

Straight-line distance between initial and final positions Signup and view all the answers

What does calibration improve in testing?

Objectivity, validity, and reliability Signup and view all the answers

Which activity generates force according to the lab notes?

Muscular activity Signup and view all the answers

What is the equivalent of a Newton meter (Nm)?

Joule (J) Signup and view all the answers

What is a gold standard test?

A test that is regarded as the best currently available to measure a specific variable Signup and view all the answers

Why are gold standard tests not always used?

Because they may involve expensive equipment or be too time intensive Signup and view all the answers

What is the purpose of standardization before testing?

To ensure that uniform standards are applied during testing Signup and view all the answers

What are normative-referenced standards based on?

Previous performances of individuals with similar characteristics Signup and view all the answers

When interpreting test results, what are percentile scores often used for?

To classify participants being tested based on previous performances Signup and view all the answers

Why might a gold standard test not be feasible?

Due to factors like expense, time intensity, or need for trained personnel Signup and view all the answers

What is the main purpose of a free body diagram?

To show an isolated system with all the force vectors acting on it Signup and view all the answers

How are criterion-referenced standards defined?

Based on absolute standards and external criteria Signup and view all the answers

Which spatial reference system is commonly used for standardizing descriptions of human motion?

Cartesian coordinate system Signup and view all the answers

What is the purpose of evaluation in the context of assessment?

Stating the value or quality of the assessment Signup and view all the answers

In ergonomics, what concept is used to study, assess, and aid in the design of workplace devices?

Biomechanics Signup and view all the answers

What is the main difference between a test and measurement?

A test assesses, while measurement is the act of assessing Signup and view all the answers