On the Other Hand
Directions: In this reading exercise, you will
explore theories regarding the nature of handedness, that is, the hand that you
naturally prefer to use to eat with, throw a ball, etc. The article “On
Left-Handedness, Its Causes and Costs” particularly focuses on left-handedness.
Later, you will act as a scientific researcher by conducting and analyzing a
class-wide handedness survey.
Left-Handedness, Its Causes and Costs.”
the following questions:
what extent did Thomas Carlyle jokingly attribute the low numbers of
did his “view” reflect the mystery behind handedness?
is Dr. Klar’s hypothesis about handedness?
is Dr. Coren’s hypothesis about handedness?
is the practical reason for understanding the nature of handedness?
do studies of twins seem to show regarding handedness?
what “cultural factors” does Dr. Klar attribute “inconclusive studies that
militate against his genetic theory”?
does Dr. Klar plan to prove his theory?
does Dr. Klar define right-handedness?
article mentions Dr. Coren’s typical writing focus. Why do you think this
is included? What is the tone of this section of the article?
what specific factors does Dr. Coren attribute left-handedness?
the end of the article, Dr. Klar states, “What’s good for yeast should be
good for mice, and what’s good for mice should be good for men. Biology is
biology, and DNA is DNA.” Do you agree with this statement? Why or why
the Handedness Survey form given you by your teacher.