The type of psychologists who help design many of the tools we rely on each day, such as "user-friendly" computers, home appliances, digital cameras, airplane controls, and traffic signals are called __________ psychologists

Advance medical directives

A) are not recognized in the United States or Canada. B) guarantee personal control over the right to die. C) state in writing the desired end-of-life medical treatment. D) authorize mercy killing.

Cation is to anion as

A) transport is to diffusion. B) positive is to negative. C) diffusion is to transport. D) negative is to positive. E) intracellular is to extracellular.