Equipment Calibration and Gold Standard Tests
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Questions and Answers

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?

<p>Force (N) (D)</p> Signup and view all the answers

What is energy commonly measured in?

<p>Kilocalories (kcal) (B)</p> Signup and view all the answers

Which unit of measure is equivalent to watts?

<p>Joules per second (J/s) (C)</p> Signup and view all the answers

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

<p>Newton meters (Nm) (C)</p> Signup and view all the answers

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

<p>Calibration (A)</p> Signup and view all the answers

What does displacement refer to?

<p>Straight-line distance between initial and final positions (A)</p> Signup and view all the answers

What does calibration improve in testing?

<p>Objectivity, validity, and reliability (A)</p> Signup and view all the answers

Which activity generates force according to the lab notes?

<p>Muscular activity (C)</p> Signup and view all the answers

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

<p>Joule (J) (C)</p> Signup and view all the answers

What is a gold standard test?

<p>A test that is regarded as the best currently available to measure a specific variable (B)</p> Signup and view all the answers

Why are gold standard tests not always used?

<p>Because they may involve expensive equipment or be too time intensive (C)</p> Signup and view all the answers

What is the purpose of standardization before testing?

<p>To ensure that uniform standards are applied during testing (C)</p> Signup and view all the answers

What are normative-referenced standards based on?

<p>Previous performances of individuals with similar characteristics (B)</p> Signup and view all the answers

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

<p>To classify participants being tested based on previous performances (D)</p> Signup and view all the answers

Why might a gold standard test not be feasible?

<p>Due to factors like expense, time intensity, or need for trained personnel (D)</p> Signup and view all the answers

What is the main purpose of a free body diagram?

<p>To show an isolated system with all the force vectors acting on it (C)</p> Signup and view all the answers

How are criterion-referenced standards defined?

<p>Based on absolute standards and external criteria (B)</p> Signup and view all the answers

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

<p>Cartesian coordinate system (C)</p> Signup and view all the answers

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

<p>Stating the value or quality of the assessment (B)</p> Signup and view all the answers

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

<p>Biomechanics (A)</p> Signup and view all the answers

What is the main difference between a test and measurement?

<p>A test assesses, while measurement is the act of assessing (D)</p> Signup and view all the answers

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