1. Assessment of creativity

2. Psychometric problems
Skewed distribution
Low reliability
Typical IQ test 0,70-0,80
Typical creativity test 0,40-0,60
(at the 0-1 scale)
Test-retest, internal consistency

3. Theoretical problems Trait or state? Within-person variability
Cross-situation variability
context
instruction

4. Too much depends on instruction
Please give us ideas that are
creative
unusual
original
imaginative
...
Please be as creative as you can!

5. Character of the trait General Domain-specific Poetry Music Literature
...

6. Remote Association Test (RAT)
gas railway bus
school play cow
money river blood
hotel note title

7. Torrance Test of Creative Thinking (TTCT)
Divergent thinking
Open-ended problems
No clear criteria for good solutions
Verbal and nonverbal
Scoring
Fluency
Flexibility
Originality
elaboration

8. Predictive value of TTCT
Plucker (1999)
Longitudinal study 1958  1980
Again in 1998: 220 people (55%)
Creative achievements
Number of publications, patents, exhibitions, reviews etc.
Self-assessment scored by judges

9. Plucker (1999): structural equation model87 60
Quantitative
index IQ
Fluency
Flexib
Origin
Creativity
Achiev.
Qualitative
index
Elabor

10. Urban and Jellen Test for Creative Thinking – Drawing Production

11. TCT-DP scoring Continuations New elements Perspective
Unconventional use of the sheet
Use of the small square
Humor
...

12. Test of Creative Thinking (TCT)
A paintbrush is a tool but also a ...
What is unusual in a doorknob?
Why scientists are similar to thieves?
I wonder why our windows still ...

13. „Real-life” tasks Examples Advantages Disadvantages
Write a short story entitled „2743”
How the world looks like from the insect’s perspective
Advantages
Close to realistic tasks
Disadvantages
More difficult to score
Specific abilities needed