What is the Flynn Effect?
The rise in average IQ scores over generations.
Which type of intelligence increased most?
Fluid intelligence - ability to figure things out on the spot
.
.
Evidence Flynn Effect may be ending?
Some countries such as Norway and Denmark show plateau or decline since the 1990s
.
.
Example of gene–environment interaction?
Vocabulary is heritable, but all words are learned.
How well does IQ predict academic performance?
Moderately well (r ≈ .50).
2 factors (C and IE)
What predicts success beyond IQ?
Conscientiousness (responsible and organised) and intellectual engagement tendency to enjoy thinking deeply, learning and exploring ideas)
Why can IQ be problematic?
Can create:
(1) self-fulfilling prophecies : people may behave in line with their labelled trait
(2) ignores social factors: focus on stable individual characteristics
What is the criticism of IQ-only models?
They ignore real-world, social, and emotional skills.
Who proposed social intelligence?
Thorndike (1920).
Why is social intelligence hard to measure?
Real-life social skills don’t translate well to lab tests.
What is EI?
Emotional intleligence - ability to perceive, understand, and manage emotions.
Is EI independent of IQ?
Partially - overlaps with personality traits like agreeableness.
Criticism of EI?
Mixed definitions; overlaps traits and abilities.
Three types of intelligence?
Analytical - ability to analyse and evaluate
Creative - ability to think outside the box
Practical - common sense and the ability to apply knowledge to the real world
What is practical intelligence?
“Street smarts” — adapting to real-world situations.