Passive behaviour is a factor leading to defects, inefficiency, and security vulnerabilities in IT systems. As modern humans we mainly rely on three coping behaviours, two from our primitive past (fight or flight in the form of passive aggression and passive flight), plus one more powerful uniquely human quality: verbal assertive problem solving. An assertive tester evaluates a situation, decides how to act, then responds honestly and spontaneously without anxiety or guilt. They respect themselves and others, and take responsibility for their actions and decisions. The following eBook outlines how assertive testing can be far more effective than passive testing,…....