Author Question: An evolutionary explanation for the relationship between a face's symmetry and its perceived ... (Read 140 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
An evolutionary explanation for the relationship between a face's symmetry and its perceived attractiveness is that
 
  a. asymmetrical faces are less familiar and therefore more distinctive in memory.
  b. facial symmetry is associated with biological health and fitness.
  c. biological factors have very little to do with facial symmetry.
  d. parents devote more resources to caring for offspring with symmetrical faces.

Question 2

Robinson manipulates two variables in his experimental investigation of test-taking performance: the number of participants seated in the room and the room temperature. He finds that regardless of the temperature in the room, participants do better on the test when the room is less crowded. Which statement about this study is true?
 
  a. There are two independent variables in this study.
  b. There is one independent variable in this study.
  c. There are two dependent variables in this study.
  d. There are two dependent and two independent variables in this study.



hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

b

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library