P-Charts (Control Charts) for Analysts
Interpret p-charts without confusing control limits, confidence intervals and guarantees of study validity.
WORKSAMP · LEARNING RESOURCES
Work Sampling guides
Practical guides to design observations, interpret results and apply work sampling with clear assumptions.
What do you need to work on?
Statistical foundations
Sample size, precision, confidence intervals and the limits of inference.
Explore guidesStudy design
Observation plans, categories, routes and reliable data capture.
Explore guidesResults and decisions
Proportions, time, capacity and improvement decisions grounded in data.
Explore guidesIndustry applications
Examples and limits in manufacturing, maintenance and services.
Explore guidesIndustrial management
Tools, organization and context for putting a study into practice.
Explore guidesArticles and practical examples
Showing 85–92 of 92
Benefits of Offline PWAs for Plant Data Capture
What offline capture offers and the limits of synchronisation, notifications and local data retention.
The Snap Reading Technique: Avoiding Observer Bias
Perform instantaneous readings consistently without claiming they eliminate reactivity or observer bias.
Scientific Determination of Allowances
Define time allowances, document their calculation basis and avoid counting rest or delays twice.
OEE Measurement Using Work Sampling
What sampling contributes to OEE analysis and the additional data needed for availability, performance and quality.
The Binomial Distribution in Work Study
The binomial model in work sampling: observational units, assumptions, proportions and estimation uncertainty.
Ontological Differences: Work Sampling vs. Timing
Differences between estimating activity proportions and measuring cycle times, and when to combine both methods.
What is Work Sampling? History and Definition
What work sampling is, what it can estimate and the design and interpretation needed for a useful application.
Search covers all the guides in this collection, not just the current page.
From a question to a study you can use
Explore the app or ask about a demonstration using your context.
Explore WorkSamp →