The step methodology is based upon the idea that

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The STEP methodology is based upon the idea that testing is a lifecycle activity that begins during requirements formulation and continues until retirement of the system. The Advanced syllabus provides details of the following: Basic premises for the methodology Examples of the quantitative metrics taken Examples of qualitative factors 3.4.2 CTP The basic premise of the Critical Testing Process (CTP) [Black03] assessment model is that certain testing processes are critical. These critical processes, if performed well, will support successful test teams. The model identifies twelve critical testing processes. A CTP assessment identifies which processes are strong and which are weak, and provides prioritized recommendations for improvement based on organizational needs. A number of quantitative and qualitative metrics are commonly examined during a CTP assessment.
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Certified Tester Expert Level Syllabus International Software Testing Qualifications Board Version 2011 Page 28 of 75 1 st November 2011 © International Software Testing Qualifications Board Once an assessment has identified weak areas, plans for improvement are put into place. Generic improvement plans are provided by the model for each of the critical testing processes, but the assessment team is expected to tailor those heavily.
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Certified Tester Expert Level Syllabus International Software Testing Qualifications Board Version 2011 Page 29 of 75 1 st November 2011 © International Software Testing Qualifications Board 4. Analytical-based Improvement 555 mins. Keywords: causal analysis, cause-effect diagram, cause-effect graph, Defect Detection Percentage, Failure Mode and Effect Analysis, Fault Tree Analysis, indicator, inspection, measure, metric, Pareto analysis Learning objectives for analytical-based improvement 4.2 Causal Analysis LO 4.2.1 (K2) Understand causal analysis using cause/effect diagrams LO 4.2.2 (K2) Understand causal analysis during an inspection process LO 4.2.3 (K2) Understand the use of standard anomaly classification for causal analysis LO 4.2.4 (K2) Compare the causal analysis methods LO 4.2.5 (K3) Apply a causal analysis method on a given problem description LO 4.2.6 (K5) Recommend and select test process improvement actions based on the results of a causal analysis LO 4.2.7 (K4) Select defects for causal analysis using a structured approach 4.3 The GQM Approach LO 4.3.1 (K2) Describe the Goal-Question-Metric (GQM) approach LO 4.3.2 (K3) Apply the Goal-Question-Metric (GQM) approach to derive appropriate metrics from a testing improvement goal LO 4.3.3 (K3) Define metrics for a testing improvement goal LO 4.3.4 (K2) Understand the steps and challenges of the data collection phase LO 4.3.5 (K2) Understand the steps and challenges of the interpretation phase 4.4 Analysis using Measures, Metrics and Indicators LO 4.4.1 (K2) Provide examples of the various categories of metrics and how they can be used in a test improvement context LO 4.4.2 (K5) Recommend appropriate metrics and indicators for tracking improvement trends in a particular improvement situation.
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