AEP Quality Assurance and Improvement 2

Question 1

Which statistical tool is used in ergonomics QA to determine whether a process is operating within acceptable control limits over time?

Accepted Answer

Control chart (SPC)

Answer

Pareto chart

Answer

Scatter diagram

Answer

Affinity diagram

Question 2

In a Plan-Do-Check-Act (PDCA) cycle applied to an ergonomics program, which phase involves analyzing data collected from an ergonomic intervention?

Accepted Answer

Check

Answer

Plan

Answer

Do

Answer

Act

Question 3

A process capability index (Cpk) of less than 1.0 in an ergonomics measurement process indicates:

Accepted Answer

The process cannot consistently meet specification limits

Answer

The process is capable and centered

Answer

The process has zero defects

Answer

The process variation is negligible

Question 4

Which quality improvement approach focuses on reducing defects to 3.4 per million opportunities and is sometimes applied to ergonomics programs?

Accepted Answer

Six Sigma

Answer

ISO 9001

Answer

Lean Manufacturing

Answer

Total Quality Management

Question 5

When conducting a root cause analysis for a repetitive strain injury cluster, which tool helps teams visualize cause-and-effect relationships?

Accepted Answer

Fishbone (Ishikawa) diagram

Answer

Histogram

Answer

Run chart

Answer

Box plot

Question 6

In ergonomics quality improvement, a 'leading indicator' differs from a 'lagging indicator' in that it:

Accepted Answer

Predicts future injury risk before incidents happen

Answer

Measures injuries after they occur

Answer

Counts workers' compensation claims

Answer

Tracks days away from work

Question 7

A 5-Why analysis conducted on an ergonomics problem is intended to:

Accepted Answer

Drill down to the systemic root cause by repeatedly asking why

Answer

Quantify the financial cost of the injury

Answer

Prioritize hazards using a risk matrix

Answer

Calculate the return on investment of a control