UTILITY Flashcards
(38 cards)
Usefulness of some thing or some process
• In the context of psychometric, it pertains to the usefulness of a test
- measure the usefulness of test across different settings
Utility
Gastos
- price ang tinitingnan ng specific test
Cost efficiency
If you’ll choose a test find test that is shorter in duration
Savings in time
How useful is a test compare to another test
- titingnan ang predictive validity
Comparative utility
If the test is accurate or need supplemental test to prove depression
- same as diagnostic utility
Clinical utility
Invest on a good test that will screen better employees
Personnel selection
Refers to validity and reliability
Psychometric soundness
Disadvantages
- nawawala as a test user
- magkano ang gastos sa professional, booklet, etc.
Cost
Gain na makukuha ng company or ng test user
Benefits
Evaluates wether the benefits of using a test outweigh the costs
Utility analysis
• One test is preferable to another test for use for a specific purpose (kung mas maganda ang isang test over another test)
• the addition of one or more test that are already in use is preferable for a specific purpose
Utility of analysis
Use to predict of an individual (kung passing, acceptable or failing) ang makukuha up to a certain time
- Ginagamit if na p-predict ba ang variable
- Kapag may linear direction may predictive validity (pataas)
Expectancy data
Floridal comprehensive assessment test - sunshine state standard test is an example of what kind of data?
Expectancy data
First use in 1939
Made by taylor and Russell
Taylor- russel table
Estimate kung ilang percent ng participants ang magiging successful in the workplace
- need to establish 3 variable ___, ___, ___
Taylor Russell table
Selection ratio
Base rate
Validity coefficient
Total number of available position ÷ total number of applicants
Selection ratio
Percentage of the people hire ÷ nag p-perform ng maayos
- kung ilan ang nag p-perform ng maayos
Ex: 18÷ 30 = .6/.60
Base rate
Given (ex. .60)
Validity coefficient
Selection ratio (.60) ex.
Validity coefficient (.30) ex.
- kung saan mag meet ang selection ratio and validity coefficient
Horizontal
Vertical
Taylor Russell table
Kukunin ang mean score ng na hire at mean score ng hindi na hire, kukunin ang difference and hahanapin sa table
Naylor -shine tables
• Correct classification
(Pag maganda yung interview, mataas yung scores and pagtapos ma hire mataas ang score ng supervisor)
• Incorrect classification
(Magaling sa interview, test pero di maganda ang performance sa trabaho)
Hit
Miss
• accurately identifies as possessing or exhibiting a particular trait, ability, behavior
(Ex. Mag hire ka ng clerk 50 people, out of 50, 40 ang nag perform well, 40÷50 =.80 (80%)
- The rest is ____ di nag perform well
Hit rate
Miss rate
Falsely indicates that the testtaker possess/exhibits a particular trait
- magaling sa test, interview pero di nagtuturo
- ex. Pregnancy test, trip lang mag pregnancy test pero nag positive, yung pregnancy test ang problem
False positive