Test techniques are like recipes, describing different aspects of a type of test, but they don't cover all the details such as equipment, lab setup, or automation.

• Domain testing teaches us how to analyze a program and design individual tests.

• Different techniques focus on different aspects of testing.

• Test techniques are like stepping stones in a river of confusion when learning about testing.

• Testing efforts can be organized differently in different companies.

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Informal communication networks are common in American companies, especially those that produce intellectual property like software.

• Informal networks allow testers to communicate with a variety of people, not just other testers or project managers.

• Diverse skills and backgrounds in a test group are important for identifying weaknesses and blind spots.

• Testers in software publishing companies become experts in the product, analyzing specifications, hunting for bugs, and developing tools for efficiency.

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Test groups in software companies have diverse tasks and missions, which can vary from bug hunting to quality advocacy or integration into development teams.

• Test groups in software companies perform various tasks beyond bug hunting and writing bug reports.

• The tasks performed by test groups can differ greatly between companies.

• The mission of a test group reflects the group's self-image and reason for existing.

• Test groups can see themselves as bug hunters, quality advocates, or as part of a development team.

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