Psychology SL
Psychology SL
9
Chapters
238
Notes
Unit 1 - Research Methodology
Unit 1 - Research Methodology
Unit 2 - Biological Approach To Behaviour
Unit 2 - Biological Approach To Behaviour
Unit 3 - Cognitive Approach To Behaviour
Unit 3 - Cognitive Approach To Behaviour
Unit 4 - Sociocultural Approach To Behaviour
Unit 4 - Sociocultural Approach To Behaviour
Unit 6 - Health psychology
Unit 6 - Health psychology
Unit 7 - Pyschology Of Human Relationships
Unit 7 - Pyschology Of Human Relationships
Unit 8 - Developmental psychology
Unit 8 - Developmental psychology
Unit 9 - Internal Assessment
Unit 9 - Internal Assessment
Unit 10 - The IB Curriculum - A Conceptual Model
Unit 10 - The IB Curriculum - A Conceptual Model
IB Resources
Unit 2 - Biological Approach To Behaviour
Psychology SL
Psychology SL

Unit 2 - Biological Approach To Behaviour

Nature Vs. Nurture: Decoding Behavior & Genetics

Word Count Emoji
624 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

The epic debate nature vs. nurture 🎭

  • Nature-Nurture: This is THE big question in psychology! Is our behavior because of our genes (nature) or because of our experiences (nurture)?

    Example: Think of a tomato plant. You need a tomato seed (nature) to grow it, but it also needs sunlight, water, and care (nurture) to become juicy tomatoes!

  • Modern Scoop: Guess what? Both matter! It's not about whether it's nature OR nurture. It's about how they dance together.

    Questions to Consider

    • Which plays a bigger role in a particular behavior or trait, like intelligence?

    • How do our genes and environment interact? Can they influence each other?

      Example: Does playing memory games (environment) boost your brainpower (biological function)?

Exploring genetics & behavior - the methods 🔬

  • Twin Studies

    • MZ Twins: From the same egg! They're like clones, sharing 100% of their genes.

    • DZ Twins: From different eggs. They share about 50% of their genes, just like regular siblings.

    • The Lowdown: If MZ twins act more alike than DZ twins, it's a clue that genes play a big role.

      Real-world Example: If both MZ twins love chocolate ice cream, but DZ twins have different fav flavors, maybe there's a "choco-love gene"!

  • Family Studies

    • The Idea: Look across families! Compare behavior of siblings, cousins, grandparents, etc.
    • Real-world Example: If all family members, from grandpa to little Timmy, are great singers, genes might be behind those golden pipes!
  • Adoption Studies

    • The Drama: Compare adopted kids to both their adoptive and biological parents.

    • The Twist: If adopted kids are more like their bio parents, it might be because of their genes.

      Real-world Example: If an adopted child is a math whiz like their biological mom, but their adoptive parents struggle with addition? Thank genetics!

  • Molecular Genetics

    • The 21st Century Scoop: Using fancy tech to map genes and see which ones relate to certain behaviors.

    • Buzzwords: “gene of depression”, “gene of aggression”.

      Real-world Example: Think of this as detective work on a microscopic level, trying to find the 'culprit' gene causing a behavior!

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IB Resources
Unit 2 - Biological Approach To Behaviour
Psychology SL
Psychology SL

Unit 2 - Biological Approach To Behaviour

Nature Vs. Nurture: Decoding Behavior & Genetics

Word Count Emoji
624 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

The epic debate nature vs. nurture 🎭

  • Nature-Nurture: This is THE big question in psychology! Is our behavior because of our genes (nature) or because of our experiences (nurture)?

    Example: Think of a tomato plant. You need a tomato seed (nature) to grow it, but it also needs sunlight, water, and care (nurture) to become juicy tomatoes!

  • Modern Scoop: Guess what? Both matter! It's not about whether it's nature OR nurture. It's about how they dance together.

    Questions to Consider

    • Which plays a bigger role in a particular behavior or trait, like intelligence?

    • How do our genes and environment interact? Can they influence each other?

      Example: Does playing memory games (environment) boost your brainpower (biological function)?

Exploring genetics & behavior - the methods 🔬

  • Twin Studies

    • MZ Twins: From the same egg! They're like clones, sharing 100% of their genes.

    • DZ Twins: From different eggs. They share about 50% of their genes, just like regular siblings.

    • The Lowdown: If MZ twins act more alike than DZ twins, it's a clue that genes play a big role.

      Real-world Example: If both MZ twins love chocolate ice cream, but DZ twins have different fav flavors, maybe there's a "choco-love gene"!

  • Family Studies

    • The Idea: Look across families! Compare behavior of siblings, cousins, grandparents, etc.
    • Real-world Example: If all family members, from grandpa to little Timmy, are great singers, genes might be behind those golden pipes!
  • Adoption Studies

    • The Drama: Compare adopted kids to both their adoptive and biological parents.

    • The Twist: If adopted kids are more like their bio parents, it might be because of their genes.

      Real-world Example: If an adopted child is a math whiz like their biological mom, but their adoptive parents struggle with addition? Thank genetics!

  • Molecular Genetics

    • The 21st Century Scoop: Using fancy tech to map genes and see which ones relate to certain behaviors.

    • Buzzwords: “gene of depression”, “gene of aggression”.

      Real-world Example: Think of this as detective work on a microscopic level, trying to find the 'culprit' gene causing a behavior!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Psychology SL. Subscribe now and get closer to that 45 🌟