Plan to break for lunch at the appropriate time. Have participant groups calculate the speed reliabilityreliability between the two time periods, using data pairs for each worker for each time period. Compare results among groups. Open sealed envelopes and compare worker performance. Each day of worker performance needs to be compared against each of the two test periods separately, so that four different validityValidity correlation coefficient scores are obtained.
Compare validity results within-groups.
Cultivating Personnel Productivity. The video resources was produced by the University of California, and is described in the home page.