Research suggests that relative finger length and sexual orientation are correlated. This is likely because both factors are affected by
A) prenatal estrogen levels.
B) nutrition during childhood.
C) prenatal testosterone levels.
D) a gene on the X-chromosome.
Answer: C
Rationale: differences in finger length ratios reflect prenatal exposure to testosterone, which in turn influences sexual orientation.
You might also like to view...
In an experimental study of the effects of exercise on stress, subjects are randomly assigned to either the no exercise or the exercise conditions. Identify what type of study this is—between-, within-, or matched-subjects. In addition, identify the independent and dependent variables and the control and experimental groups
What will be an ideal response?
Proliferation is the ____.
A. production of new cells B. movement of primitive neurons and glia C. formation of dendrites and an axon D. insulation process that occurs on some axons
What was Münsterberg’s greatest contribution to psychology?
a. Emphasizing the use of statistical analysis b. Developing experimental equipment for use in the laboratory c. Founding the area of applied psychology d. Developing the areas of child and adolescent psychology
A positive view of others means that you find other people ______.
A. have high self-esteem B. are trustworthy C. unpredictable D. dismissing