Human-Decision-Making & Applications

Question 1

Rasmussens SRK model of decision making

Answer 1

Describes decision making as knowledge, rule or skill based. Responses exist on a spectrum based off of experience.

Question 2

What is decision making

Answer 2

A task in which a person must (a) select one option from several alternatives, (b) interpret information from the alternatives, (c) has a long (non instant) time frame and (d) the choices include uncertainty/non-obvious

Question 3

Stages of decision making

Answer 3

1 - acquire and integrate
2 - interpret and access
3 - plan and choose
4 - monitor and correct

Question 4

Normative vs description decision making

Answer 4

Normative is a mathematical optimization approach whereas description accounts for human deviations including minimizing loss, short cuts and incorrect assumptions.

Question 5

Heuristics and biases

Answer 5

Rules of thumbs that help make decisions.

Question 6

Gamblers fallacy

Answer 6

if something happens more frequently than normal during a given period, it will happen less frequently in the future.

Question 7

Implications for design

Answer 7

1 - task redesign instead of assuming the person needs to change
2 - choice architecture (defaults, limited options, concrete options)
3 - procedural
4 - training