The fact that humans have three cone receptors, specialized for red, green and blue spectrum light waves, is consistent with which theory of color vision?

Which of the following statements regarding correlation coefficients is FALSE?

A) Correlation coefficients can range from -1.0 to +1.0. B) Positive correlation coefficients indicate better outcomes. C) Correlation coefficients are symbolized using the letter "r." D) Correlation coefficients measure both the strength and direction of an association.

Chris, who is a socially confident person, and his friend Simon, who is very shy, are checking their GRE scores

Neither of them performed very well. How will they predict how they will perform in the future? A) Chris will be likely to predict that he will perform better, if he expects to retake the GRE soon. B) Simon will be likely to predict that he will perform better, if he expects to retake the GRE soon. C) Chris will be likely to predict better performance in the future, if he doesn't expect to retake the GRE soon. D) Simon will be likely to predict better performance in the future, if he doesn't expect to retake the GRE soon.