Exam #3 Prep

Flashcards for Exam #3 Prep based on lecture notes.

What are common sources of requirements changes?

Requirement errors, conflicts, inconsistencies; evolving customer/end-user system knowledge; technical, schedule, or cost overruns; changing customer priorities; environmental and organizational changes.

What are the purposes of traceability management?

To identify, document, and retrieve the rationale & dependencies/impact of requirements; to assess impact of proposed changes; to easily propagate changes to maintain consistency.

What related questions are associated with forward traceability (source to target)?

Where is this taken into account? What are the implications of this? Where is this applied?

What related questions are associated with backwards traceability (target to source)?

Why is this here? Where does it come from?

What is the definition of scope creep?

New functionality and big changes that are presented after project requirements have been baselined.

What is the most effective technique for controlling scope creep?

Say NO!!!

How do requirements for AI systems differ from non-AI systems?

AI systems are more heavily data dependent, evolve more frequently, and have a stronger need for continuous consideration, especially for ethical requirements.

What is a reward function?

Mathematical formula the AI model uses to determine “right” vs “wrong” predictions; determines action/behavior for which your system will try to optimize.

What is a true positive in the context of AI suggestions?

AI suggested something the user likes, wants, and ultimately chooses.

What is a true negative in the context of AI suggestions?

AI did not suggest and user would not have liked, wanted, or chosen.

What is a false positive in the context of AI suggestions?

AI suggested something but the user does not like.

What is a false negative in the context of AI suggestions?

AI did not suggest but the user would have liked.

When should you use automation?

Automate when people lack knowledge or ability to do the task or the task is boring, repetitive, awkward, or dangerous.

When should you use augmentation?

Augment when people enjoy the task, personal responsibility for outcome is required or important, or stakes are high.

What is precision?

Proportion of true positives correctly categorized out of all the true and false positives.

What does higher precision equate to?

Higher confidence that the output is correct, increased number of false negatives.

What is recall?

Proportion of true positives correctly categorized out of all the true positives and false negatives.

What does higher recall equate to?

Higher confidence that the output has all relevant results, increased number of false positives and possibly irrelevant results.