According to research (Kirk, Bailey, & Martin, 2000), if one identical male twin is homosexual, his twin has what percent chance of also being homosexual??

a. ?30%
b. ?50%
c. ?70%
d. ?90%


ANSWER:
b

Psychology

You might also like to view...

Which of the following is true of the characteristic curve for a "good" test item?

a. It is normally distributed. b. It is bimodal and positively skewed. c. It has a gradual, positive slope. d. It is negatively accelerated.

Psychology

The part of the hindbrain that controls functions such as breathing, heart rate, and blood pressure is the ________

a. cerebral cortex b. medulla c. cerebellum d. pons

Psychology

"Minding a close relationship" is analogous to

A. gardening - a watchful eye and constant effort and attention. B. parenting in the summer months - kids need fun things to do. C. savoring - special moments are appreciated and mutually enjoyed. D. gourmet cooking – the ingredients and how they are combined are critical to success.

Psychology

Which term refers to the way an individual combines words and phrases to form sentences?

A. pragmatic speech B. grammar C. private speech D. syntax

Psychology