Microlearning Lesson Plan: Why Are Some People Left-Handed?
Category:
Psychology & Human Behavior
Lesson 1: Introduction & Fundamentals
Objective: Understand the basic concepts and definitions associated with left-handedness.
Content:
1. Definition & Prevalence:
– Left-handedness refers to the preference for using the left hand for tasks that require precise hand movements. It affects approximately 10% of the world’s population.
2. Key Concepts:
– Explore the articles:
– [Why are some people left-handed? An evolutionary perspective – PMC](pmc.ncbi.nlm.nih.gov/articles/PMC2666081/)
– [Why aren’t the majority of people ambidextrous?](www.quora.com/Why-arent-the-majority-of-people-ambidextrous-Why-are-people-either-left-or-right-handed)
– Watch the video [Why Are Some People Left-Handed?](https://www.youtube.com/watch?v=NPvMUpcxPSA) for a visual explanation.
Key Takeaways:
– Understanding the basic prevalence and definition of left-handedness.
– Recognizing the foundational theories and hypotheses behind why some people are left-handed.
Activity: Reflect on personal experiences with left-handed individuals or examine the hand preference within your family. Share your findings in a short paragraph.
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Lesson 2: Practical Application & Techniques
Objective: Explore the real-world implications of left-handedness in daily life and its genetic components.
Content:
1. Real-World Use Cases:
– Understand how left-handedness impacts activities such as writing, sports, and using tools.
2. Genetics:
– Watch [Why Some People Are Left-Handed: The Genetics of Handedness](https://www.youtube.com/watch?v=2F-m0_TQKNM) to delve into genetic factors.
– Read the article [What causes some people to be left-handed, and why are fewer?](www.scientificamerican.com/article/what-causes-some-people-t/)
Key Takeaways:
– Grasping how left-handed individuals adapt to a right-handed world.
– Understanding the genetic predispositions linked to handedness.
Activity: Try using your non-dominant hand for a daily task (e.g., brushing your teeth) and note how it feels different. Reflect on the challenges.
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Lesson 3: Advanced Insights & Mastery
Objective: Deepen understanding of left-handedness with expert-level insights and explore cultural perceptions.
Content:
1. Cultural Perceptions and Myths:
– Explore cultural attitudes towards left-handedness globally, including [China: A Land Without Left-Handers](mauracunningham.org/2013/08/14/china-a-land-without-left-handers/).
2. Benefits and Drawbacks:
– View [Scientists Explain Why Left-Handed People are Smarter than the Rest of us](https://www.youtube.com/watch?v=Juek3xq8yNM) to understand potential cognitive benefits.
Key Takeaways:
– Identifying cultural narratives and biases about left-handedness.
– Analyzing the cognitive advantages and challenges faced by left-handed individuals.
Activity: Research and list three famous left-handed individuals and note their contributions to society. Reflect on how their handedness may have influenced their work.
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Assessment Test
1. What percentage of the world’s population is left-handed?
– a) 5%
– b) 10%
– c) 15%
– d) 20%
– Answer: b) 10%
2. Which video explores the genetic factors of left-handedness?
– a) Why Are Some People Left-Handed?
– b) Scientists Explain Why Left-Handed People are Smarter than the Rest of us
– c) Why Some People Are Left-Handed: The Genetics of Handedness
– d) Why are some people left-handed? An evolutionary perspective
– Answer: c) Why Some People Are Left-Handed: The Genetics of Handedness
3. Which of the following is a cultural perception explored in the lessons?
– a) The genetic basis of left-handedness
– b) The prevalence of left-handedness
– c) The advantages of ambidexterity
– d) Cultural attitudes in China towards left-handedness
– Answer: d) Cultural attitudes in China towards left-handedness
4. What is a potential cognitive benefit mentioned for left-handed individuals?
– a) Increased muscle strength
– b) Better mathematical skills
– c) Heightened creativity and problem-solving abilities
– d) Faster reflexes
– Answer: c) Heightened creativity and problem-solving abilities
