11.6 Biological Approaches — Was Your Personality Decided Before Birth | Psychology 2e
After this lesson you will be able to…
- Understand how evolution drives personality traits and individual differences.
- Learn how evolutionary 'budgets' influence personality traits like impulsivity.
- Discover how showing off is an ancient evolutionary tactic to signal worth.
- Explore how identical twins raised apart show strikingly similar personalities.
- Clarify that heritability describes population variation, not individual gene contribution.
- Learn how epigenetics dictates whether genetic instructions are expressed or ignored.
- Understand early infant personality categories and their biological basis.
- Discover how infant temperaments evolve into adult dimensions of reactivity and self-regulation.
- Understand that biology sets a baseline, but environment drastically shapes trait expression.
AI Tutoring Available
- Pause and ask a question
- 2 assignments available
0.0
(0)How much of who you are was shaped before you ever experienced the world? This lesson explores the biological approach to personality, examining how i...
Assignments Preview
Quiz: Evolution, Genetics, and Personality Traits
FundamentalsAnswer each question based only on what was covered in the video lesson. No outside knowledge is needed — all answers come directly from the content presented.
Practice: Evolutionary Psychology and Personality
PracticeAnswer each question using what you learned in the video lesson. Show your reasoning where asked, and refer back to specific theories, studies, and researchers mentioned in the lesson.