Decision Making and Tests Flashcards
Classification def
A decision to assign an individual to one category rather than another
[Classification] Diagnosis def
Placing an individual to a category to identify some problem
[Classification] Selection def
Deciding on whom to hire, whom to admit to a university program
Test information helps to (3)
- Detect the presence or absence of a characteristic
- Identify beneficial treatment/interventions
- Improve the objectivity and accuracy of selection decisions
Statistical Determinants of Decision Quality (3)
- Validity of tests
- Base rate of the relevant attribute or characteristic
- Selection rate
Base Rate (BR) def
What proportion of the population being examined ACTUALLY possesses the relevant characteristic?
Selection Rate (SR)
What percentage of the population will be selected
Cutting score def
Score used to divide test scores into predictions about who has the characteristic and who does not
Hits def
Correct predictions
Misses def
Incorrect predictions
True positive def
A successfully predicted hit where the phenomenon is predicted and it occurs
True negative def
A successfully predicted hit where the phenomenon is not predicted and it does not occur
False positive def
A miss where the phenomenon is predicted but it does not occur.
False negative def
A miss where the phenomenon is not predicted to occur but it does occur
% of correct decisions will depend on: (3)
- Test VALIDITY
- BR
- SR