Odorless chemicals that may enhance moods, effect fertility, and promote sexual communication are

Most people are familiar with the concept of a police lineup (either in person or with photographs) from watching movies and television programs

Fewer people realize that the standard format of a lineup leads witnesses to occasionally identify innocent people as criminals, and even form false memories of them committing the crime. Describe four ways researchers have suggested police should change the lineup to avoid these problems and improve its accuracy. What will be an ideal response?

The trichromatic receptor theory explains how different color receptors in the eye combine to produce color vision. However, this theory does NOT explain

a. negative afterimages. b. how color receptors respond differently to different colors. c. how many color receptors the retina must utilize in order to produce color vision. d. color vision.