Science Fair Project:

How Lefties Write

4.4 based on 17 ratings
Difficulty Level

Medium

Cost

Minimal

Safety Issues

None

Project Time Frame

2-4 weeks

Objective

This project explores the causes and effects of left-handedness.

Project Goals
  • To provide new information about left-handedness.
  • To encourage development of new products and techniques for the convenience of left-handed individuals.

Materials and Equipment

  • Computer with internet access.
  • Digital camera
  • Typical office/craft supplies (such as paper, pens & poster-board)

Introduction

Left-handedness is the natural preference of using the left hand for basic tasks, such as drawing or writing. There are various theories on how being left-handed affects the way a person thinks. Although numerous notions exist about the nature of left-handedness, there may or may not be sufficient evidence to back them up.

Research Questions
  • What causes left-handedness?
  • How many people are left-handed?
  • Are lefties ambidextrous?
  • What are some assumptions about lefties?
  • Is there any truth to these assumptions?
  • What are some linguistic and historic examples of attitudes toward left-handedness?
  • What are the advantages and disadvantages of being naturally left-handed?
Terms, Concepts and Questions to Start Background Research
  • Left-handers are sometimes referred to as “lefties” or “southpaws.”
  • Familiarity with statistical concepts (e.g. random sample) is recommended.

Experimental Procedure

  1. Read overviews of relevant topics (see bibliography).
  2. Search internet for additional information.
  3. Design a short survey questionnaire. Participants will provide info about which hand they favor, and (on a scale of 1-10) how comfortable they are using the other hand. Also collect data regarding gender, hobbies, occupation, and anything else that might provide further insight.
  4. Have at least 100 volunteers complete the questionnaire. For optimal results, this population sample must be random.
  5. Analyze the data.
  6. Interpret findings in a detailed report.
  7. Show results visually using charts and graphs.
  8. Display relevant photos taken throughout the course of the experiment.

Bibliography

Author: Judee Shipman
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