Question
a.
Always prioritize higher-level goals over subgoals.
b.
Ensure that subgoals are satisfied before higher-level goals.
c.
Avoid using on-screen messages in ATMs.
d.
Prompt users to collect their cards and money simultaneously.
Posted under Human Computer Interaction
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Q. What is a general rule that can be applied to goal hierarchies to avoid the "closure problem"?
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