The fact that 14 nations have shown average IQ gains of from five to 25 points during the last 30 years is referred to as the __________ effect

Explain the differences between monochromats, dichromats, and trichromats. Which would you most like to avoid experiencing? Why?

What will be an ideal response?

Which of the following best summarizes research on the frequency of male and female characters in dreams?

A. Both men and women have more male than female characters in their dreams. B. Men have more male than female characters in their dreams, whereas women have more female than male characters in their dreams. C. Men have more female than male characters in their dreams, whereas women have more male than female characters in their dreams. D. Men have more male than female characters in their dreams, but women have approximately equal numbers of male and female characters in their dreams.