The specific stimulus on a test to which a person responds overtly is called a(n)

a. overt event.
b. answer

There is evidence and concern that which common treatment for depression can trigger suicidal thoughts and behaviors in adolescents?

A) Amphetamines B) Valium C) SSRIs D) all of the above

The idea that the eye contains three kinds of photoreceptors differentially sensitive to red, green, and blue that are responsible for color vision was proposed by the German physiologist

a. Gustav Fechner. c. Ernest Heinrich Weber. b. Ewald Hering. d. Hermann von Helmholtz.