The _____ theory is the theory of color vision that suggests three types of cones in the retina each make a maximal chemical response to one of three colors: blue, green, or red

A local swimming pool does not use any selection tests. Forty percent of the lifeguards employed at this swimming pool are identified as being successful at the job. This percentage represents the:

A) base rate. B) selection ratio. C) validity ratio. D) Taylor-Russell index.

Dressing yourself, bathing, walking a short distance, using a toilet, and eating without assistance are all examples of what gerontologists call _______

a. self-help skills b. activities of daily living c. grooming skills d. daily behaviors