Which factor exerts a powerful influence on adolescent dating patterns on mate selection?

When each potential research participant in a sample population has an equal chance of being selected, it is called:

After a traumatic hit to the head, Leslie underwent a dramatic personality change. A well-organized, extroverted person before the accident, she no longer could plan, or adjust to new social situations. Leslie would also laugh uncontrollably at inappropriate times. What part of Leslie’s brain appears to have been damaged?

Cheri has a secure attachment to her parents. What might this attachment mean to her attachment to her peers?

Aluminum has a higher specific heat capacity than iron. This means that for equal masses of aluminum and iron, the metal that heats more quickly when the same amount of heat is applied is:

The human cortex is wrinkled because:

The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively:

The most common sexual outlet for adolescents is

The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively:

Which of the following is NOT one of the six functions of friendship?