Master this deck with 39 terms through effective study methods.
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It reassures users that a task is in progress.
Indeterminate bars do not show task completion percentage.
During application startup to provide visual feedback.
A placeholder that shows a wireframe version of a page while loading.
Indicates that a program is busy with a small animated icon.
Buttons that provide a false sense of control without functionality. Like elevator close buttons or sidewalk buttons.
They provide reassurance that the system is working.
Users are more motivated to complete tasks if they feel they have made progress.
They can encourage task completion by providing feedback.
Avoid manipulation and ensure honesty in representing progress.
They are more likely to abandon the task.
They tend to increase user enjoyment and completion rates.
It measures income inequality within a population. Income inequality (0 = equal, 1 = unequal).
It assesses well-being through health, education, and living standards.
It compares the cost of a Big Mac to assess currency valuation.
It ranks countries based on life satisfaction and happiness.
Brad A. Myers in 1985.
The need for control and feedback.
They reduce perceived waiting time by showing structure.
Conditioning—people associate action with results.
Both reduce anxiety even if they are not fully accurate. They curb uncertainty
Using game elements (like progress bars) to motivate behavior. Apps that do this are Duolingo and LinkedIn
It can manipulate users into addictive or excessive behavior.
Misleading users about real progress.
People complain less when occupied vs just waiting.
Progress takes time but tends toward fairness.
A human-created belief that life can improve over time.
History was cyclical or controlled by higher powers.
Royal Society
Printing press + scientific tools (telescope, microscope).
Questioning assumptions leads to better knowledge.
Humans design systems (tech, metrics, UX) to understand, control, and improve their world.
:Systems naturally move toward disorder (entropy), so progress requires energy and effort.
It is not automatic—it must be actively maintained.
Entropy is a measure of disorder, randomness, or uncertainty in a system.
Because entropy increases, we perceive time moving forward — eggs scramble, not unscramble.
The universe started highly ordered (low entropy) and is slowly moving toward maximum disorder.
A way to measure poverty using more than just money—it looks at health, education, and living conditions.
Steps to calculate MPI: Check if a household is deprived in each of the 10 indicators. Assign weights to each dimension (Health 1/3, Education 1/3, Living Standards 1/3). Add up the weighted scores → gives a poverty score. If score ≥ 33%, the household is considered multidimensionally poor.